NEC 78K0 User Manual page 81

Address Special Function Register (SFR) Name
FF2CH Port mode register 12
FF2EH Port mode register 14
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
FF36H Pull-up resistor option register 6
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
FF47H Memory expansion mode register
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
µ
Note PD780146, 780148, and 78F0148 only.
CHAPTER 3 CPU ARCHITECTURE
Table 3-5. Special Function Register List (2/4)
Symbol
PM12
PM14
PU0
PU1
PU3
PU4
PU5
PU6
PU7
PU12
PU14
CKS
CR51
TMC51
MEM
EGP
EGN
Note
SIO11
*
Note
SOTB11
ISC
ASIM6
ASIS6
ASIF6
CKSR6
BRGC6
ASICL6
SDR0
MDA0L
MDA0H
MDB0
DMUC0
TMHMD0
TCL50
User's Manual U15947EJ2V0UD
R/W Manipulatable Bit Unit
1 Bit 8 Bits
√
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/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
After
Reset
16 Bits
√ −
FFH
√ −
FFH
√ −
00H
√ −
00H
√ −
00H
√ −
00H
√ −
00H
√ −
00H
√ −
00H
√ −
00H
√ −
00H
√ −
00H
√ −
00H
√ −
00H
√ −
00H
√ −
00H
√ −
00H
√ −
00H
√ −
Undefined
√ −
00H
√ −
01H
√ −
00H
√ −
00H
√ −
00H
√ −
FFH
√ −
16H
√ √
00H
√
00H
√ √
00H
√
00H
√ √
00H
√
00H
√ √
00H
√
00H
√ −
00H
√ −
00H
√ −
00H
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