F²MC-8FX FAMILY · 2012. 3. 5. · Eight drive files are available in this project shown below. Figure 4-2: Source Code Files . 4.2.1 _f2mc8fx_a.asm Every MCU register is defined

Fujitsu Semiconductor Design (Chengdu) Co., Ltd. Setup Guide

MCU-AN-500096-E-11

F²MC-8FX FAMILY 8-BIT MICROCONTROLLER

MB95310/370 SERIES

MAIN CR TRIMMNG BOARD

SETUP GUIDE

Main CR Trimming Board Setup Guide V1.1 Revision History

MCU-AN-500096-E-11 – Page 1

Revision History

Date Author Change of Records 2010-6-18 Jane Li V1.0, First draft 2011-03-18 Jane Li V1.1, modified some remark

This manual contains 25 pages.

© 2010 Fujitsu Semiconductor Design (Chengdu) Co., Ltd.

2. The products described in this manual and the specifications thereof may be changed without prior notice. To obtain up-to-date information and/or specifications, contact your Fujitsu sales representative or Fujitsu authorized dealer.

3. Fujitsu will not be liable for infringement of copyright, industrial property right, or other rights of a third party caused by the use of information or drawings described in this manual.

4. The contents of this manual may not be transferred or copied without the express permission of Fujitsu.

5. The products contained in this document are not intended for use with equipment which require extremely high reliability such as aerospace equipment, undersea repeaters, nuclear control systems or medical equipment for life support.

6. Some of the products described in this manual may be strategic materials (or special technology) as defined by the Foreign Exchange and Foreign Trade Control Law. In such cases, the products or portions theory must not be exported without permission as defined under the law.

Main CR Trimming Board Setup Guide V1.1 CONTENTS

CONTENTS

REVISION HISTORY .............................................................................................................. 1 CONTENTS ............................................................................................................................ 2 1 PRODUCT OVERVIEW ................................................................................................... 3 2 TRIMMING BOARD DESCRIPTION ............................................................................... 4 3 TRIMMING DESCRIPTION ............................................................................................. 5

3.1 Trimming Register ..................................................................................................... 5

3.2 Trimming Method ...................................................................................................... 6

3.3 Trimming Flow Chart ................................................................................................. 7

4 SAMPLE CODE MANUAL .............................................................................................. 8 4.1 Project Structure ....................................................................................................... 8

4.2 Source Code File Description ................................................................................... 9

4.2.1 _f2mc8fx_a.asm .......................................................................................... 9

4.2.2 startup.asm ................................................................................................. 9

4.2.3 MAIN.asm ................................................................................................. 10

4.3 Sample Code Description ....................................................................................... 11

4.3.1 ERASE_FLASH_Drive Function ............................................................... 11

4.3.2 ERASE_FlahAS0AS3 Function ................................................................. 12

4.3.3 RENEW_SA0StartAddress Function ........................................................ 13

4.3.4 Trimm_API Function ................................................................................. 14

4.3.5 Bi_Section Function .................................................................................. 16

4.3.6 Trimm_Out Function ................................................................................. 17

4.3.7 Trimm_FlashWrite Function ...................................................................... 18

4.3.8 WRITE_FLASH_Drive Function ................................................................ 19

4.3.9 LED_Contr Function .................................................................................. 20

4.3.10 _Uart_Interrupt Function ........................................................................... 21

4.3.11 _uart_init Function ..................................................................................... 23

4.3.12 _uart_send Function ................................................................................. 24

4.3.13 __main Function ........................................................................................ 24

MCU-AN-500096-E-11 – Page 2

Main CR Trimming Board Setup Guide V1.1 Chapter 1 Product Overview

1 Product Overview

MAIN CR trimming board is mainly used for MCU trimming and programming.

The trimming board includes sample code which supplies main CR trimming and programming by different modes. When pull P52 low, the system will enter into trimming mode and finish trimming work. When P52 is low, pulling P53 to low, the system will enter into programming mode, receive all program data from host, and then write all data to flash.

In following chapters, the trimming will be described in detail.

MCU-AN-500096-E-11 – Page 3

Main CR Trimming Board Setup Guide V1.1 Chapter 2 Trimming Board Description

2 Trimming Board Description

This chapter introduces the hardware connection.

The MAIN CR trimming board supports pin to select work mode, UART to receive and send data, trimming clock input.

Following figure describes the hardware connection.

P11

P10

P52

P53

UART output

UART input

Trimming select

Programming select

100Hz

GND

VCC

P51

Following table describes the mode condition. Mode Condition Pin Status

User mode P52 high

Trimming mode P52 low

Programming mode P52 low and P53 low

MCU-AN-500096-E-11 – Page 4

Main CR Trimming Board Setup Guide V1.1 Chapter 3 Trimming Description

3 Trimming Description

This chapter introduces the trimming method.

Trimming is adjusting main CR clock and making it more precise.

3.1 Trimming Register There are two registers “CRTH” and “CRTL” which can adjust the main CR by low 11 bits. And there are two flash addresses “0xFFBC” and “0xFFBD” to record these two registers values. After a reset, the register CRTH value is reloaded from flash 0xFFBC and the register CRTL value is reloaded from 0xFFBD.

Following picture listed these registers.

Note: These 11 bits CRTL0~CRTL5 and CRTH0~CRTH4 adjust the main CR.

MCU-AN-500096-E-11 – Page 5


3.2 Trimming Method Trimming is finished by writing 0 or 1 to adjust bits, and trimming is validated by timer counter and external inputting clock.

Following steps describe the trimming method:

1. Set initial SREG [11:0] = 11111_000000 ; CRTL0~CRTL5 and CRTH0~CRTH4

2. Clear SREG [11] = 1. ; SREG [11] = CRTH4

3. If CLK_1M_PIN >= 1MHz, set SREG [11].

4. Repeat step (2) to (3) for SREG [10:7].

5. Set SREG [6] = 1. ; SREG [6] = CRTL5

6. If CLK_1M_PIN < 1MHz, clear SREG [6].

7. Repeat step (5) to (6) for SREG [5:0].

Note: The counter value is bigger than setting value (0x2710 for 100Hz clock input and main CR is 1MHz), which indicates the CLK_1M_PIN>1MHz.

The counter value is smaller than setting value (0x2710 for 100Hz clock input and main CR is 1MHz), which indicates the CLK_1M_PIN<1MHz.

MCU-AN-500096-E-11 – Page 6


3.3 Trimming Flow Chart For detailed trimming method, please refer to following flow chart.

MCU-AN-500096-E-11 – Page 7

Main CR Trimming Board Setup Guide V1.1 Chapter 4 Sample Code Manual

4 Sample Code Manual

4.1 Project Structure There is a project MAIN_CR.prj for MAIN CR trimming sample code.

The following structure describes the flow chart of this project, as shown in Figure 4-1.

Figure 4-1: Project Structure

MCU-AN-500096-E-11 – Page 8


4.2 Source Code File Description Eight drive files are available in this project shown below.

Figure 4-2: Source Code Files

4.2.1 _f2mc8fx_a.asm Every MCU register is defined in this function.

4.2.2 startup.asm This function define reset address, watch dog, set stack address, set interrupt input level and call main function.

MCU-AN-500096-E-11 – Page 9


4.2.3 MAIN.asm In this function, all trimming, flash operations and UART operations are finished.

Following table lists all function names. Function Name Description

ERASE_FLASH_Drive: Driver for flash erase

ERASE_FlahAS0AS3: Erase flash sector0(0xC000~0xFFFF) and sector3(0x2000~0x3FFF)

RENEW_SA0StartAddress: Because sector0 has been erased, the start address and other define had been erased. So user need to renew the start address and other define, such as interrupt and watchdog

Trimm_API: Trimming application function which call Bi-section to realize trimming

Bi_Section: Test the trimmed main CR is bigger or smaller than 1MHz

Trimm_Out: If user want to see the main CR, the function can be called to output main CR

Trimm_FlashWrite: Write trimming value to flash 0xFFBC and 0xFFBD

WRITE_FLASH_Drive: Use flash write command to realize one byte write

LED_Contr If flash write error the function will be called to Let p14 pull low

_Uart_Interrupt: UART interrupt to receive host programming data

_uart_init: Initialize UART register

_uart_send UART send one byte out

__main Main function to call all functions

MCU-AN-500096-E-11 – Page 10


4.3 Sample Code Description In following item the sample code will be described in detail.

4.3.1 ERASE_FLASH_Drive Function

ERASE_FLASH_Drive:

SETB FSR:1

MOV SWRE0,#03FH ;write all flash sector

MOV A,#0AAH ;1st write cycle

MOV 0FAAAH,A

MOV A,#055H ;2nd write cycle

MOV 0A554H,A

MOV A,#080H ;3rd write cycle

MOV 0FAAAH,A

MOV A,#0AAH ;4th write cycle

MOV 0FAAAH,A

MOV A,#055H ;5th write cycle

MOV 0A554H,A

MOVW A,#00H

MOVW A,Erase_Addr

MOVW EP, A

MOV A, #030h

MOV @EP, A

nop

nop

WaitErase:

BBC FSR:4,WaitErase

CLRB FSR:1 ; write disable

RET

MCU-AN-500096-E-11 – Page 11


4.3.2 ERASE_FlahAS0AS3 Function .3.2 ERASE_FlahAS0AS3 Function

ERASE_FlahAS0AS3:

MOVW A,#SA0

MOVW Erase_Addr,A

CALL ERASE_FLASH_Drive

MOVW A,#SA3

MOVW Erase_Addr,A

CALL ERASE_FLASH_Drive

RET

MCU-AN-500096-E-11 – Page 12


4.3.3 RENEW_SA0StartAddress Function .3.3 RENEW_SA0StartAddress Function

RENEW_SA0StartAddress:

MOVW A,#0FFBEH ;WATCH DOG

MOVW Addr_Flash,A

MOV A,#0A5H ;0xA596 to flash

MOV _UARTREC,A

CALL WRITE_FLASH_Drive

MOVW A,#0FFBFH

MOVW Addr_Flash,A

MOV A,#096H

MOV _UARTREC,A


MOVW A,#0FFF2H ;UART INTERRUPT INTER

MOVW Addr_Flash,A

MOVW A, #_Uart_Interrupt

SWAP

MOV _UARTREC,A


MOVW A,#0FFF3H

MOVW Addr_Flash,A

MOVW A,#_Uart_Interrupt

MOV _UARTREC,A


MOVW A,#0FFFDH ;MAIN CR output set

MOVW Addr_Flash,A

MOV A,#40H

MOV _UARTREC,A


MOVW A,#0FFFEH ;-start

MOVW Addr_Flash,A

MOVW A, #__start

SWAP

MOV _UARTREC,A


MOVW A,#0FFFFH

MOVW Addr_Flash,A

MOVW A,#__start

MOV _UARTREC,A


RET

MCU-AN-500096-E-11 – Page 13


4.3.4 Trimm_API Function .3.4 Trimm_API Function

MOV CRTH_RAM,#08FH ;nvrm=1/1MHz/SREG[11:7]=10000b

MOV CRTL_RAM,#001H ;tsel=00/SREG[6:1]=000000b

CALL Bi_Section ;1st measurement & comparison with 1MHz

BC SKIP1 ;branch out if < 1MHz counter value

SETB CRTH_RAM:4 ;make SREG[11] = 0

1:

CLRB CRTH_RAM:3 ;set SREG[10] = 1 for 2nd measurement

CALL Bi_Section ;2nd measurement & comparison with 1MHz



2:

CLRB CRTH_RAM:2 ;set SREG[9] = 1 for 3rd measurement

CALL Bi_Section ;3rd measurement & comparison with 1MHz



3:

CLRB CRTH_RAM:1 ;set SREG[8] = 1 for 4th measurement

CALL Bi_Section ;4th measurement & comparison with 1MHz


SETB CRTH_RAM:1 ; make SREG[8] = 0

4:

CLRB CRTH_RAM:0 ;set SREG[7] = 1 for 5th measurement




R_SETTING:

MOV A,#00EH ;falling-counter-clear /1xMCLK/IFE=0

MOV T00CR0,A

MOV T00CR1,#00H ;interrupt disable, output disable

MOV A,#1CH

MOV TMCR0,A ;16-bit mode, timer01 not used

mm_API:

MOV SYCC2,#0E5H ;change to MAIN CR; sub-CR off

AIT:

BBS SYCC2:6,MCRWAIT ;loop until main CR is stable and ched

MCU-AN-500096-E-11 – Page 14


SKIP5:

MOV A,CRTH_RAM ;increment SREG[11:7] to make sure > 1MHz

DECW A

MOV CRTH_RAM,A

SETB CRTL_RAM:5 ;set SREG[6] = 1 for 6th measurement


BNC SKIP6 ;branch out if >= 1MHz counter value

CLRB CRTL_RAM:5 ;make SREG[6] = 0

SKIP6:




CLRB CRTL_RAM:4 ;make SREG[5] = 0

SKIP7:


CALL Bi_Section


CLRB CRTL_RAM:3

SKIP8:


CALL Bi_Section


CLRB CRTL_RAM:2

SKIP9:


CALL Bi_Section


CLRB CRTL_RAM:1

SKIP10:


CALL Bi_Section


CLRB CRTL_RAM:0

SKIP11:

MOV A,CRTH_RAM

MOV CRTH,A

MOV A,CRTL_RAM

MOV CRTL,A

MOVW A,#00068H ;wait 104 cycles for stabalization

LOOP1:

DECW A

BGE LOOP1

CALL Trimm_FlashWrite

RET

MCU-AN-500096-E-11 – Page 15


4.3.5 Bi_Section Function .3.5 Bi_Section Function

BGE LOOP2

SETB T00CR1:7 ;enable counter

LOOP3:

BBC T00CR1:4,LOOP3 ;loop until IR=1

CLRB T00CR1:4 ;ignore 1st value (not complete cycle)

LOOP4:

BBC T00CR1:4,LOOP4

MOV A,T01DR ;move counter value to A

SWAP

MOV A,T00DR

CLRB T00CR1:4

CLRB T00CR1:7 ;stop timer

XCHW A,T ;T = measured value (16-bit)

MOVW EP,#02710H

XCHW A,EP

CLRC

SUBCW A ;A = T - 2710h

RET

Bi_Section:

MOV A,CRTH_RAM

MOV CRTH,A ;write frequency/current trim

MOV A,CRTL_RAM

MOV CRTL,A ;write cap trim

MOVW A,#00068H ;wait 104 cycles for stabalization

LOOP2: ;(6 machine cycles per loop)

DECW A ;(=320us if CLK_1M_PIN=2MHz)

MCU-AN-500096-E-11 – Page 16


4.3.6 Trimm_Out Function .3.6 Trimm_Out Function

Trimm_Out:

SETB PDR6:2

SETB DDR6:2

MOV A,#080H

MOV LCDCE1,A

RET

MCU-AN-500096-E-11 – Page 17


4.3.7 Trimm_FlashWrite Function .3.7 Trimm_FlashWrite Function

MOV A,CRTL_RAM ;store CRTL_RAM value to AH

MOV _UARTREC,A


CALL RENEW_SA0StartAddress

RET

Trimm_FlashWrite:

MOVW A,#0FFBCH

MOVW Addr_Flash,A ;load CRTH flash address to EP

MOV A,CRTH_RAM ;store CRTH_RAM value to AH

OR A,#01100000B ;***** change 1MHz to 8MHz *****

MOV _UARTREC,A

CALL ERASE_FlahAS0AS3

CALL WRITE_FLASH_Drive ;write trim value to flash

MOVW A,Addr_Flash

INCW A ;increment to CRTL flash address at EP

MOVW Addr_Flash,A

MCU-AN-500096-E-11 – Page 18


4.3.8 WRITE_FLASH_Drive Function .3.8 WRITE_FLASH_Drive Function

BNE WRITE_FLASH_NG

JMP WRITE_FLASH_END

WRITE_FLASH_NG:

CALL LED_Contr

WRITE_FLASH_END:

RET

WRITE_FLASH_Drive:

SETB FSR:1

MOV SWRE0,#03FH ;write all flash sector

CMP _UARTREC,#0FFH ;skip writing to flash if <> FFh

BZ WRITE_FLASH_END

MOV A,#0AAH ;1st write cycle

MOV 0FAAAH,A

MOV A,#055H ;2nd write cycle

MOV 0A554H,A

MOV A,#0A0H ;3rd write cycle

MOV 0FAAAH,A

MOVW A,#00H

MOVW A,Addr_Flash

CLRC

ADDC A,FlashAdrrOffs

MOVW EP, A

MOV A, _UARTREC

MOV @EP, A

MOVW A,#27B6H ;wait 6100us (spec prog time max)

LOOPF3:

DECW A

BNE LOOPF3

MOV A,_UARTREC

CMP A,@EP

MCU-AN-500096-E-11 – Page 19


4.3.9 LED_Contr Function .3.9 LED_Contr Function

CLRB PDR1:4 ;CLRB PDR1:4

RET

LED_Contr: ;ERROR

SETB DDR1:4 ;OUTPUT DIRECT

MCU-AN-500096-E-11 – Page 20


4.3.10 _Uart_Interrupt Function .3.10 _Uart_Interrupt Function

MOV Addr_Flash,A

JMP INTEND

LOOPU2:

CMP FlagProgram,#02H

BNZ LOOPU3

MOV A,Addr_Flash

SWAP

CLRC

ADDC A,_UARTREC

MOVW Addr_Flash,A

MOV FlagProgram,#3H

JMP INTEND

_Uart_Interrupt:

WaitRec:

CLRC

BBC SSR0:2,WaitRec ;RECEIVE REGISTER FULL

MOV A,RDR0

MOV _UARTREC,A

CMP FlagProgram,#00h ;_UARTREC,#051H

BNZ LOOPU1 ;NOT ==

CMP _UARTREC,#051H

BNZ TOEND

MOV FlagProgram,#1H

TOEND:

JMP INTEND

LOOPU1:


BNZ LOOPU2

MOV FlagProgram,#2H

MOV A,_UARTREC

MCU-AN-500096-E-11 – Page 21


LOOPU3:


BNZ LOOPU4

MOV FlagProgram,#4H

MOVW A,#0000H

MOV A,_UARTREC

MOV Length_Flash,A

JMP INTEND

LOOPU4:


BNZ LOOPU5

MOV A,Length_Flash

SWAP

CLRC

ADDC A,_UARTREC

MOV Length_Flash,A

MOV FlagProgram,#5H

JMP INTEND

LOOPU5:


BNZ INTSUM


MOVW A,#00H

MOV A,Sum_Writ

ADDC A,_UARTREC

MOV Sum_Writ,A

MOV A,FlashAdrrOffs

INCW A

MOV FlashAdrrOffs,A

MOV A,Length_Flash

CLRC

DECW A

MOV Length_Flash,A

CMP Length_Flash,#00H

BNZ INTEND

MOV FlagProgram,#6H

JMP INTEND

MCU-AN-500096-E-11 – Page 22


4.3.11 _uart_init Function

INTSUM:


BNZ INTEND

MOV FlagProgram,#0H

MOV A,_UARTREC

CMP A,Sum_Writ

BZ SendACK

call LED_Contr

JMP INTEND

SendACK:

call _uart_send

call 2000H ;call programming content

INTEND:

RETI

_uart_init:

MOV A,CRTH

AND A,#09FH

OR A,#060H

MOV CRTH,A ;CHANGE MAIN CR TO 8MHZ

MOV A,#0cH

MOV SMC10,A

MOV A,#0dcH

MOV SMC20,A

CLRB SSR0:1

CLRB PUL1:0

CLRB PUL1:1

MOV A,#00H

MOV ILSR,A

MOV A,#05H ;BAUD RATE SET

MOV PSSR0,A

MOVW A,#0D0H

MOV BRSR0,A /*******

baud rate = mclk/ (4*pssr0*brsr0)=8/(4*2*208)=4800

********/

MOV A,#0FCH

MOV ILR1,A ;INTERRUPT LEVEL TO 00

MOV FlashAdrrOffs,#0H

RET

MCU-AN-500096-E-11 – Page 23


MCU-AN-500096-E-11 – Page 24

4.3.12 _uart_send Function .3.12 _uart_send Function

_uart_send:

LoopTran:

BBC SSR0:0,LoopTran

mov A, #00H ; ACK normal

mov TDR0, A

RET

4.3.13 __main Function 4.3.13 __main Function __main:

SETI

MOV FlagProgram,#0H

MOV FlashAdrrOffs,#00H ;initialize it

MOV Sum_Writ,#00H

CLRB DDR5:2

CLRB DDR5:3

BBS PDR5:3,UserMode

call Trimm_Out

call Trimm_API

WAITUART:

BBS PDR5:2,WAITUART

call _uart_init

UserMode:

jmp $

RET

MCU-AN-500096-E-10

FUJITSU SEMICONDUCTOR LIMITED • SUPPORT SYSTEM

F2MC-8FX Family MB95310/370 Series

MAIN CR Trimming Board

SETUP GUIDE

Jun. 2010 the first edition

Published FUJITSU SEMICONDUCTOR LIMITED

Edited Strategic Business Development Dept

Documents

F²MC-8FX FAMILY · 2012. 3. 5. · Eight drive files are available in this project shown below. Figure 4-2: Source Code Files . 4.2.1 _f2mc8fx_a.asm Every MCU register is defined