76
CHAPTER 3 CPU ARCHITECTURE
User
’
s Manual U14701EJ3V0UD
Table 3-4. Special Function Register List (2/4)
Address
Special Function Register (SFR) Name
Symbol
R/W
Manipulatable Bit Unit
After Reset
1 Bit
8 Bits 16 Bits
FF20H
Port mode register 0
PM0
R/W
√
√
—
FFH
FF22H
Port mode register 2
PM2
R/W
√
√
—
FFH
FF23H
Port mode register 3
PM3
R/W
√
√
—
FFH
FF24H
Port mode register 4
PM4
R/W
√
√
—
FFH
FF25H
Port mode register 5
PM5
R/W
√
√
—
FFH
FF26H
Port mode register 6
PM6
R/W
√
√
—
FFH
FF27H
Port mode register 7
PM7
R/W
√
√
—
FFH
FF28H
Port mode register 8
Note 1
PM8
W
—
√
—
FFH
FF29H
Port mode register 9
Note 1
PM9
W
—
√
—
FFH
FF2CH
Port mode register 12
PM12
R/W
√
√
—
FFH
FF30H
Pull-up resistor option register 0
PU0
R/W
√
√
—
00H
FF32H
Pull-up resistor option register 2
PU2
R/W
√
√
—
00H
FF33H
Pull-up resistor option register 3
PU3
R/W
√
√
—
00H
FF34H
Pull-up resistor option register 4
PU4
R/W
√
√
—
00H
FF35H
Pull-up resistor option register 5
PU5
R/W
√
√
—
00H
FF36H
Pull-up resistor option register 6
PU6
R/W
√
√
—
00H
FF37H
Pull-up resistor option register 7
PU7
R/W
√
√
—
00H
FF38H
Correction address register 0
CORAD0
R/W
—
—
√
0000H
FF39H
FF3AH
Correction address register 1
CORAD1
R/W
—
—
√
0000H
FF3BH
FF3CH
Pull-up resistor option register 12
PU12
R/W
√
√
—
00H
FF40H
Clock output select register
CKS
R/W
√
√
—
00H
FF41H
Watch timer operation mode register 0
WTNM0
R/W
√
√
—
00H
FF42H
Watchdog timer clock select register
WDCS
R/W
—
√
—
00H
FF47H
Memory expansion mode register
MEM
R/W
√
√
—
00H
FF48H
External interrupt rising edge enable register
EGP
R/W
√
√
—
00H
FF49H
External interrupt falling edge enable register
EGN
R/W
√
√
—
00H
FF58H
Pin function switching register 8
Note 2
PF8
W
—
√
—
00H
FF59H
Pin function switching register 9
Note 2
PF9
W
—
√
—
00H
Notes 1.
μ
PD78F0338 only.
2.
μ
PD78F0338 only. PF8 and PF9 can only be set once after reset. To change the value, reset the
register.