NEC mPD789426 Series User Manual page 67

Address Special Function Register (SFR) Name
FF27H Port mode register 7
FF28H Port mode register 8
Port mode register 9
FF29H
FF32H Pull-up resistor option register B2
FF33H Pull-up resistor option register B3
FF37H Pull-up resistor option register B7
Pull-up resistor option register B8
FF38H
FF39H Pull-up resistor option register B9
FF42H Watchdog timer clock select register
FF48H 16-bit timer mode control register 90
FF49H Buzzer output control register 90
FF4AH Watch timer mode control register
FF4CH 8-bit compare register H60
FF4DH 8-bit timer mode control register 50
FF4EH 8-bit timer mode control register 60
FF4FH Carrier generator output control register 60
FF70H Asynchronous serial interface mode register 20
FF71H Asynchronous serial interface status register 20
FF72H Serial operation mode register 20
FF73H Baud rate generator control register 20
FF80H A/D converter mode register 0
FF84H Analog input channel specification register 0
FFB0H LCD display mode register 0
FFB2H LCD clock control register 0
FFB3H LCD voltage amplification control register 0
FFE0H Interrupt request flag register 0
FFE1H Interrupt request flag register 1
FFE4H Interrupt mask flag register 0
FFE5H Interrupt mask flag register 1
FFECH External interrupt mode register 0
FFEDH External interrupt mode register 1
FFF0H Suboscillation mode register
FFF2H Subclock control register
FFF5H Key return mode register 00
FFF7H Pull-up resistor option register 0
FFF9H Watchdog timer mode register
FFFAH Oscillation stabilization time select register
FFFBH Processor clock control register
Note µ PD789426 and 789436 Subseries only.
CHAPTER 3 CPU ARCHITECTURE
Table 3-4. Special Function Register List (2/2)
PM7
Note
PM8
Note
PM9
PUB2
PUB3
PUB7
Note
PUB8
Note
PUB9
WDCS
TMC90
BZC90
WTM
CRH60
TMC50
TMC60
TCA60
ASIM20
ASIS20
CSIM20
BRGC20
ADM0
ADS0
LCDM0
LCDC0
LCDVA0
IF0
IF1
MK0
MK1
INTM0
INTM1
SCKM
CSS
KRM00
PU0
WDTM
OSTS
PCC
User's Manual U15075EJ1V0UM00
Symbol R/W Bit Manipulation Unit
1 Bit
√
R/W
√
√
√
√
√
√
√
−
√
√
√
−
W
√
R/W
√
√
W
√
R/W
√
R
√
R/W
−
√
√
√
√
√
√
√
√
√
−
−
√
√
√
√
√
−
√
After Reset
8 Bits 16 Bits
√ −
FFH
√ −
√ −
√ −
00H
√ −
√ −
√ −
√ −
√ −
√ −
√ −
√ −
√ −
Undefined
√ −
00H
√ −
√ −
√ −
√ −
√ −
√ −
√ −
√ −
√ −
√ −
√ −
√ −
√ −
√ −
FFH
√ −
√ −
00H
√ −
√ −
√ −
√ −
√ −
√ −
√ −
04H
√ −
02H
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