NEC 78K0 Series User Manual page 74

Address Special Function Register (SFR) Name
FF30H Pull-up resistor option register 0
FF31H Pull-up resistor option register 1
FF33H Pull-up resistor option register 3
FF34H Pull-up resistor option register 4
FF35H Pull-up resistor option register 5
FF37H Pull-up resistor option register 7
FF3CH Pull-up resistor option register 12
FF3EH Pull-up resistor option register 14
FF40H Clock output selection register
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
FF4AH Serial I/O shift register 11
FF4CH Transmit buffer register 11
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
FF60H Remainder data register 0
FF61H
FF62H Multiplication/division data register A0
FF63H
FF64H
FF65H
FF66H Multiplication/division data register B0
FF67H
FF68H Multiplier/divider control register 0
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
Note Available only in the
74
CHAPTER 3 CPU ARCHITECTURE
Table 3-6. Special Function Register List (2/4)
PU0
PU1
PU3
PU4
PU5
PU7
PU12
PU14
CKS
CR51
TMC51
EGP
EGN
Note
SIO11
Note
SOTB11
ISC
ASIM6
ASIS6
ASIF6
CKSR6
BRGC6
ASICL6
Note
SDR0
Note
MDA0L
MDA0H
Note
MDB0
Note
DMUC0
TMHMD0
TCL50
TMC50
TMHMD1
TMCYC1
KRM
WTM
µ
PD78F0534, 78F0535, 78F0536, 78F0537, and 78F0537D.
Preliminary User's Manual U17260EJ3V1UD
Symbol R/W Manipulatable Bit Unit
1 Bit
√
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/W
−
R
−
R/W
√
R/W
√
R/W
−
R
−
R
−
R/W
−
R/W
√
R/W
−
R
SDR0L
−
SDR0H
−
R/W
MDA0LL
−
MDA0LH
−
R/W
MDA0HL
−
MDA0HH
−
R/W
MDB0L
−
MDB0H
√
R/W
√
R/W
√
R/W
√
R/W
√
R/W
√
R/W
√
R/W
√
R/W
After
Reset
8 Bits 16 Bits
√ −
00H
√ −
00H
√ −
00H
√ −
00H
√ −
00H
√ −
00H
√ −
00H
√ −
00H
√ −
00H
√ −
00H
√ −
00H
√ −
00H
√ −
00H
√ −
00H
√ −
00H
√ −
00H
√ −
01H
√ −
00H
√ −
00H
√ −
00H
√ −
FFH
√ −
16H
√ √
00H
√
00H
√ √
00H
√
00H
√ √
00H
√
00H
√ √
00H
√
00H
√ −
00H
√ −
00H
√ −
00H
√ −
00H
√ −
00H
√ −
00H
√ −
00H
√ −
00H