CHAPTER 3 CPU ARCHITECTURE
Preliminary User’s Manual U19014EJ1V0UD
44
Table 3-7. Special Function Register List (2/4)
Manipulatable Bit Unit
Address Special
Function
Register (SFR) Name
Symbol
R/W
1 Bit
8 Bits
16 Bits
After
Reset
FF33H
Pull-up resistor option register 3
PU3
R/W
√
√
−
00H
FF37H
UF0 INT mask 0 register
UF0IM0
R/W
−
√
−
00H
FF38H
UF0 INT mask 1 register
UF0IM1
R/W
−
√
−
00H
FF39H
UF0 INT mask 2 register
UF0IM2
R/W
−
√
−
00H
FF3AH
UF0 INT mask 3 register
UF0IM3
R/W
−
√
−
00H
FF3BH
UF0 INT mask 4 register
UF0IM4
R/W
−
√
−
00H
FF3CH
Pull-up resistor option register 12
PU12
R/W
√
√
−
00H
FF41H
8-bit timer compare register 51
CR51
R/W
−
√
−
00H
FF43H
8-bit timer mode control register 51
TMC51
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
FF4AH
UF0 INT clear 0 register
UF0IC0
W
−
√
−
FFH
FF4BH
UF0 INT clear 1 register
UF0IC1
W
−
√
−
FFH
FF4CH
UF0 INT clear 2 register
UF0IC2
W
−
√
−
FFH
FF4DH
UF0 INT clear 3 register
UF0IC3
W
−
√
−
FFH
FF4EH
UF0 INT clear 4 register
UF0IC4
W
−
√
−
FFH
FF50H
Asynchronous serial interface operation mode
register 6
ASIM6 R/W
√
√
−
01H
FF53H Asynchronous
serial
interface reception error
status register 6
ASIS6 R
−
√
−
00H
FF55H Asynchronous
serial interface transmission
status register 6
ASIF6 R
−
√
−
00H
FF56H
Clock selection register 6
CKSR6
R/W
−
√
−
00H
FF57H
Baud rate generator control register 6
BRGC6
R/W
−
√
−
FFH
FF60H
UF0 EP0NAK register
UF0E0N
R/W
−
√
−
00H
FF61H
UF0 EP0NAKALL register
UF0E0NA
R/W
−
√
−
00H
FF62H
UF0 EPNAK register
UF0EN
R/W
−
√
−
00H
FF63H
UF0 EPNAK mask register
UF0ENM
R/W
−
√
−
00H
FF64H UF0
SNDSIE
register
UF0SDS
R/W
−
√
−
00H
FF65H
UF0 CLR request register
UF0CLR
R
−
√
−
00H
FF66H
UF0 SET request register
UF0SET
R
−
√
−
00H
FF67H
UF0 EP status 0 register
UF0EPS0
R
−
√
−
00H
FF68H
UF0 EP status 1 register
UF0EPS1
R
√
√
−
00H
FF69H
UF0 EP status 2 register
UF0EPS2
R/W
√
√
−
00H
FF6AH
Timer clock selection register 50
TCL50
R/W
√
√
−
00H
FF6BH
8-bit timer mode control register 50
TMC50
R/W
√
√
−
00H
FF6CH
8-bit timer H mode register 1
TMHMD1
R/W
√
√
−
00H
FF6DH
8-bit timer H carrier control register 1
TMCYC1
R/W
√
√
−
00H
FF70H
UF0 active interface number register
UF0AIFN
R/W
−
√
−
01H
FF71H
UF0 active alternative setting register
UF0AAS
R/W
−
√
−
1FH
FF72H
UF0 alternative setting status register
UF0ASS
R
−
√
−
FFH
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