NEC 78K0S/KA1+ User Manual page 36

Address Special Function Register (SFR) Name
FF02H Port register 2
FF03H Port register 3
FF04H Port register 4
FF0CH Port register 12
FF0DH Port register 13
FF0EH 8-bit timer H compare register 01
FF0FH 8-bit timer H compare register 11
FF12H 16-bit timer counter 00
FF13H
FF14H 16-bit timer capture/compare register 000
FF15H
FF16H 16-bit timer capture/compare register 010
FF17H
FF18H 10-bit A/D conversion result register
FF19H
FF1AH 8-bit A/D conversion result register
FF22H Port mode register 2
FF23H Port mode register 3
FF24H Port mode register 4
FF2CH Port mode register 12
FF32H Pull-up resistance option register 2
FF33H Pull-up resistance option register 3
FF34H Pull-up resistance option register 4
FF3CH Pull-up resistance option register 12
FF48H Watchdog timer mode register
FF49H Watchdog timer enable register
FF50H Low voltage detect register
FF51H Low voltage detection level select register
FF54H Reset control flag register
FF58H Low-speed internal oscillation mode register
FF5AH High-speed internal oscillation mode register
FF60H 16-bit timer mode control register 00
FF61H Prescaler mode register 00
FF62H Capture/compare control register 00
FF63H 16-bit timer output control register 00
FF70H 8-bit timer H mode register 1
Notes 1. Only P34 is an input-only port.
2. A 16-bit access is possible only by the short direct addressing.
3. Retained only after a reset by LVI.
4. Varies depending on the reset cause.
36
CHAPTER 3 CPU ARCHITECTURE
Table 3-3. Special Function Registers (1/2)
Symbol
P2
P3
P4
P12
P13
CMP01
CMP11
TM00
CR000
CR010
ADCR
ADCRH
PM2
PM3
PM4
PM12
PU2
PU3
PU4
PU12
WDTM
WDTE
LVIM
LVIS
RESF
LSRCM
HSRCM
TMC00
PRM00
CRC00
TOC00
TMHMD1
User's Manual U16898EJ3V0UD
R/W Number of Bits Manipulated
Simultaneously
1 Bit 8 Bits
√ √
R/W
Note 1
√ √
√ √
√ √
√ √
R/W − √
− √
− −
R
− −
R/W
− −
− −
R
− √
√ √
R/W
√ √
√ √
√ √
√ √
√ √
√ √
√ √
− √
− √
√ √
− √
R − √
√ √
R/W
√ √
√ √
√ √
√ √
√ √
√ √
After Reset
16 Bits
−
00H
−
−
−
−
−
−
Note 2
√
0000H
Note 2
√
0000H
Note 2
√ 0000H
Note 2
√
Undefined
−
−
FFH
−
−
−
−
00H
−
−
−
− 67H
−
9AH
Note 3
−
00H
−
Note 4
− 00H
−
00H
−
−
−
−
−
−