NEC 78K0 User Manual page 61

Address Special Function Register (SFR) Name
FF3CH Pull-up resistor option register 12
FF41H 8-bit timer compare register 51
FF43H 8-bit timer mode control register 51
FF48H External interrupt rising edge enable register
FF49H External interrupt falling edge enable register
FF4FH Input switch control register
FF50H Asynchronous serial interface operation mode
register 6
FF53H Asynchronous serial interface reception error
status register 6
FF55H Asynchronous serial interface transmission
status register 6
FF56H Clock selection register 6
FF57H Baud rate generator control register 6
FF58H Asynchronous serial interface control register 6
FF69H 8-bit timer H mode register 0
FF6AH Timer clock selection register 50
FF6BH 8-bit timer mode control register 50
FF6CH 8-bit timer H mode register 1
FF6DH 8-bit timer H carrier control register 1
FF6EH Key return mode register
FF6FH Watch timer operation mode register
FF70H Asynchronous serial interface operation mode
register 0
FF71H Baud rate generator control register 0
FF72H Receive buffer register 0
FF73H Asynchronous serial interface reception error
status register 0
FF74H Transmit shift register 0
FF80H Serial operation mode register 10
FF81H Serial clock selection register 10
FF84H Transmit buffer register 10
FF8CH Timer clock selection register 51
FF98H Watchdog timer mode register
FF99H Watchdog timer enable register
FFA0H Ring-OSC mode register
FFA1H Main clock mode register
FFA2H Main OSC control register
FFA3H Oscillation stabilization time counter status register OSTC
FFA4H Oscillation stabilization time select register
FFA9H Clock monitor mode register
CHAPTER 3 CPU ARCHITECTURE
Table 3-5. Special Function Register List (2/3)
Symbol
PU12
CR51
TMC51
EGP
EGN
ISC
ASIM6
ASIS6
ASIF6
CKSR6
BRGC6
ASICL6
TMHMD0
TCL50
TMC50
TMHMD1
TMCYC1
KRM
WTM
ASIM0
BRGC0
RXB0
ASIS0
TXS0
CSIM10
CSIC10
SOTB10
TCL51
WDTM
WDTE
RCM
MCM
MOC
OSTS
CLM
User's Manual U16227EJ2V0UD
R/W Manipulatable Bit Unit
1 Bit 8 Bits
√ √
R/W
− √
R/W
√ √
R/W
√ √
R/W
√ √
R/W
√ √
R/W
√ √
R/W
− √
R
− √
R
− √
R/W
− √
R/W
√ √
R/W
√ √
R/W
− √
R/W
√ √
R/W
√ √
R/W
√ √
R/W
√ √
R/W
√ √
R/W
√ √
R/W
− √
R/W
− √
R
− √
R
− √
W
√ √
R/W
√ √
R/W
− √
R/W
− √
R/W
− √
R/W
− √
R/W
√ √
R/W
√ √
R/W
√ √
R/W
√ √
R
− √
R/W
√ √
R/W
After
Reset
16 Bits
−
00H
−
00H
−
00H
−
00H
−
00H
−
00H
−
01H
−
00H
−
00H
−
00H
−
FFH
−
16H
−
00H
−
00H
−
00H
−
00H
−
00H
−
00H
−
00H
−
01H
−
1FH
−
FFH
−
00H
−
FFH
−
00H
−
00H
−
Undefined
−
00H
−
67H
−
9AH
−
00H
−
00H
−
00H
−
00H
−
05H
−
00H
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