Fujitsu FR81S User Manual
FUJITSU SEMICONDUCTOR LIMITED
CONTENTS
FUJITSU SEMICONDUCTOR CONFIDENTIAL
CHAPTER 11: I/O PORTS .................................................................................................................. 397
1.
O
VERVIEW
.................................................................................................................................. 398
2.
F
EATURES
................................................................................................................................... 399
3.
C
ONFIGURATION
.......................................................................................................................... 400
4.
R
EGISTERS
................................................................................................................................. 401
4.1.
Port Data Register 00 to 19 : PDR00 to 19 (Port Data Register 00 to 19) .................... 404
4.2.
Data Direction Register 00 to 19 : DDR00 to 19 (Data Direction Register 00 to 19) ..... 405
4.3.
Port Function Register 00 to 19 : PFR00 to 19 (Port Function Register 00 to 19) ........ 406
4.4.
Input Data Direct Register 00 to 19 : PDDR00 to 19 (Port Data Direct Register 00 to 19)
...................................................................................................................................... 407
4.5.
Port Pull-up/down Enable Register 00 to 19 : PPER00 to 19 (Port Pull-up/down Enable
Register 00 to 19) ......................................................................................................... 408
4.6.
Extended Port Function Register 00 to 88 : EPFR00 to 88 (Extended Port Function
Register 00 to 88) ......................................................................................................... 409
4.6.1.
Extended Port Function Register 00, 01, 56 : EPFR00, EPFR01, EPFR56 ................................... 410
4.6.2.
Extended Port Function Register 02 to 05, 57 to 60 : EPFR02 to 05, 57 to 60 .............................. 412
4.6.3.
Extended Port Function Register 06 to 09, 33 to 36, 61 to 64 : EPFR06 to 09, 33 to 36, 61 to 64 ...
.........................................................................................................................................................................
................................................................................................................................................................... 415
................................................................................................................................................................... 415
4.6.4.
Extended Port Function Register 10 to 15, 45, 71 to 78 : EPFR10 to 15, 45, 71 to 78 .............. 419
4.6.5.
Extended Port Function Register 79, 80 : EPFR79, 80...................................................................... 423
4.6.6.
Extended Port Function Register 86 : EPFR86 ................................................................................... 424
4.6.7.
Extended Port Function Register 26 : EPFR26 ................................................................................... 425
4.6.8.
Extended Port Function Register 27 : EPFR27 ................................................................................... 426
4.6.9.
Extended Port Function Register 28 : EPFR28 ................................................................................... 427
4.6.10.
Extended Port Function Register 29, 81, 82 : EPFR29, 81, 82 ........................................................ 428
4.6.11.
Extended Port Function Register 83 : EPFR83 ................................................................................... 429
4.6.12.
Extended Port Function Register 42 : EPFR42 ................................................................................... 430
4.6.13.
Extended Port Function Register 43, 44 : EPFR43, 44...................................................................... 431
4.6.14.
Extended Port Function Register 48 to 51 : EPFR48 to 51 ............................................................... 432
4.6.15.
Extended Port Function Register 65 to 70 : EPFR65 to 70 ............................................................... 433
4.6.16.
Extended Port Function Register 84, 85 : EPFR84, 85 ................................................................... 436
4.6.17.
Extended Port Function Register 87 : EPFR87 ................................................................................... 437
4.6.18.
Extended Port Function Register 88 : EPFR88 ................................................................................... 438
4.7.
Port Input Enable Register: PORTEN (PORT ENable register) .................................... 439
4.8.
KEY CoDe Register : KEYCDR ..................................................................................... 440
5.
O
PERATION
................................................................................................................................. 442
5.1.
Pin I/O Assignment ........................................................................................................ 443
5.1.1.
Peripheral I/O (bidirectional) Pin Assignment ...................................................................................... 444
5.1.2.
Peripheral Input Assignment .................................................................................................................. 445
5.1.3.
Peripheral Output Assignment ............................................................................................................... 447
5.1.4.
External Bus Assignment........................................................................................................................ 448
5.1.5.
Port Function (Input) Assignment .......................................................................................................... 449
5.1.6.
Port Function (Output) Assignment ....................................................................................................... 450
5.1.7.
AD Converter Input Assignment ............................................................................................................ 451
5.1.8.
DA converter output assignment ........................................................................................................... 452
5.2.
EPFR setting priority ...................................................................................................... 453
5.3.
Notes on Input I/O Relocation Setting ........................................................................... 454
5.4.
Noise Filter ..................................................................................................................... 455
5.5.
Input blocked by GPORTEN .......................................................................................... 456
5.6.
Notes on Pins with the AD Converter Function ............................................................. 457
5.7.
Setting when Using the Base Timer TIOA1 Pin ............................................................. 458
5.8.
Key Code Register Function Settings ............................................................................ 459
5.9.
Operation at Wake Up from Power Shutdown ............................................................... 460
5.10.
Notes on switching the I/O port function ........................................................................ 461
CHAPTER 12: INTERRUPT CONTROL (INTERRUPT CONTROLLER) .......................................... 463
1.
O
VERVIEW
.................................................................................................................................. 464
MB91520 Series
MN705-00010-1v0-E
(14)