346
CHAPTER 12 DTP/external interrupt
■
Programming sample of DTP Function
●
Processing specification
•
Channel 0 of Extended Intelligent I/O Service (EI
2
OS) is started upon detection of the High level of the
signal input to the INT4 pin.
•
RAM data is output to port 0 by DTP processing (EI
2
OS).
●
Coding example
ICR06
EQU
0000B6H
;DTP/external interrupt control register
DDR1
EQU
000011H
;Port 1 direction register
DDR5
EQU
000015H
;Port 5 direction register
ENIR
EQU
000030H
;DTP/external interrupt enable register
EIRR
EQU
000031H
;DTP/external interrupt factor register
ELVRL
EQU
000032H
;Detection level setting: L
ELVRH
EQU
000033H
;Detection level setting: H
ER4
EQU
EIRR:0
;INT4 interrupt request enable bit
EN4
EQU
ENIR:0
;INT4 interrput request enable bit
;
BAPL
EQU
000100H
;Buffer addresuu pointer loewr
BAPM
EQU
000101H
;Buffer addresuu pointer middle
BAPH
EQU
000102H
;Buffer addresuu pointer upper
ISCS
EQU
000103H
;EI
2
OS stasu register
IOAL
EQU
000104H
;I/O address register lower
IOAH
EQU
000105H
;I/O address register upper
DCTL
EQU
000106H
;Data counter lower
DCTH
EQU
000107H
;Data counter upper
;
;---------Main ptrogram-------------------------------------
CODE
CSEG
START:
;Stack pointer (SP),already initialized
MOV
I:DDR1,#11111111B
;Setting output port in DDR1
MOV
I:DDR5,#00000000B
;Setting input port in DDR5
AND
CCR,#0BFH
;Interrupt disabled
MOV
I:ICR06,#08H
;Interrupt level 0 (strongest) EI
2
OS
;Channel 0
;
;Data bank register (DTB) = 00H
;
MOV
BAPL,#00H
;Address for storing output data set
MOV
BAPM,#06H
;(600
H
to 60A
H
used)
MOV
BAPH,#00H
MOV
ISCS,#12H
;Byte transmission, buffer a 1,
;Fix I/O address,
;Transmission from memory to I/O
MOV
IOAL,#00H
;Port 1 set as
MOV
IOAH,#00H
;transfer destination address pointer
MOV
DCTL,#0AH
;Transfer count set to 10
MOV
DCTH,#00H
;
CLRB
I:EN4
;Disable INT4 in ENIR
MOV
I:ELVRL,#00010000B ;INT4 sets "H" level detection.
CLRB
I:ER4
;Interrupt request flag of INT4 in EIRR
;Clear
SETB
I:EN4
;Interrupt request enable of INT4 in ENIR
MOV
ILM,#07H
;Setting ILM in PS to level 7
OR
CCR,#40H
;Interrupt enable
Summary of Contents for F2MC-16LX Series
Page 2: ......
Page 3: ...FUJITSU LIMITED F2MC 16LX 16 bit Microcontroller MB90895 series Hardware Manual ...
Page 4: ......
Page 8: ...iv ...
Page 10: ...vi ...
Page 36: ...18 CHAPTER 2 HANDLING DEVICES ...
Page 176: ...158 CHAPTER 3 CPU ...
Page 224: ...206 CHAPTER 5 Timebase timer ...
Page 294: ...276 CHAPTER 8 16 bit reload timer ...
Page 366: ...348 CHAPTER 12 DTP external interrupt ...
Page 398: ...380 CHAPTER 13 8 10 bit A D converter ...
Page 446: ...428 CHAPTER 14 UART0 ...
Page 588: ...570 CHAPTER 17 Address Match Detecting Function ...
Page 626: ...608 CHAPTER 19 512 KBIT FLASH MEMORY ...
Page 676: ...658 APPENDIX Table A 9 3 Bit Operation Instruction Map first byte 6CH ...
Page 678: ...660 APPENDIX Table A 9 5 2 byte Instruction Map first byte 6FH MUL MULW DIVU A A A ...
Page 680: ...662 APPENDIX Table A 9 7 ea Instruction 2 first byte 71H ...
Page 681: ...663 APPENDIX A Instructions Table A 9 8 ea Instruction 3 first byte 72H ...
Page 682: ...664 APPENDIX Table A 9 9 ea Instruction 4 first byte 73H ...
Page 683: ...665 APPENDIX A Instructions Table A 9 10 ea Instruction 5 first byte 74H ...
Page 684: ...666 APPENDIX Table A 9 11 ea Instruction 6 first byte 75H ...
Page 685: ...667 APPENDIX A Instructions Table A 9 12 ea Instruction 7 first byte 76H ...
Page 686: ...668 APPENDIX Table A 9 13 ea Instruction 8 first byte 77H ...
Page 687: ...669 APPENDIX A Instructions Table A 9 14 ea Instruction 9 first byte 78H ...
Page 688: ...670 APPENDIX Table A 9 15 MOVEA RWi ea Instruction first byte 79H ...
Page 689: ...671 APPENDIX A Instructions Table A 9 16 MOV Ri ea Instruction first byte 7AH ...
Page 690: ...672 APPENDIX Table A 9 17 MOVW RWi ea Instruction first byte 7BH ...
Page 691: ...673 APPENDIX A Instructions Table A 9 18 MOV ea Ri Instruction first byte 7CH ...
Page 692: ...674 APPENDIX Table A 9 19 MOVW ea Rwi Instruction first byte 7DH ...
Page 693: ...675 APPENDIX A Instructions Table A 9 20 XCH Ri ea Instruction first byte 7EH ...
Page 694: ...676 APPENDIX Table A 9 21 XCHW RWi ea Instruction first byte 7FH ...
Page 710: ......