CHAPTER 3 CPU ARCHITECTURE
Preliminary User’s Manual U16846EJ1V0UD
50
Table 3-5. Special Function Register List (2/3)
Manipulatable Bit Unit
Address Special
Function
Register (SFR) Name
Symbol
R/W
1 Bit
8 Bits
16 Bits
After
Reset
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
FF58H
Asynchronous serial interface control register 6
ASICL6
R/W
√
√
−
16H
FF69H
8-bit timer H mode register 0
TMHMD0
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
FF70H
Asynchronous serial interface operation mode
register 0
Note 1
ASIM0 R/W
√
√
−
01H
FF71H
Baud rate generator control register 0
Note 1
BRGC0
R/W
−
√
−
1FH
FF72H
Receive buffer register 0
Note 1
RXB0
R
−
√
−
FFH
FF73H
Asynchronous serial interface reception error
status register 0
Note 1
ASIS0 R
−
√
−
00H
FF74H
Transmit shift register 0
Note 1
TXS0
W
−
√
−
FFH
FF80H
Serial operation mode register 10
CSIM10
R/W
√
√
−
00H
FF81H
Serial clock selection register 10
CSIC10
R/W
√
√
−
00H
FF84H
Transmit buffer register 10
SOTB10
R/W
−
√
−
Undefined
FF98H
Watchdog timer mode register
WDTM
R/W
−
√
−
67H
FF99H
Watchdog timer enable register
WDTE
R/W
−
√
−
9AH
FFA0H
Ring-OSC mode register
RCM
R/W
√
√
−
00H
FFA1H
Main clock mode register
MCM
R/W
√
√
−
00H
FFA2H
Main OSC control register
MOC
R/W
√
√
−
00H
FFA3H
Oscillation stabilization time counter status
register
OSTC R
√
√
−
00H
FFA4H
Oscillation stabilization time select register
OSTS
R/W
−
√
−
05H
FFA9H
Clock monitor mode register
CLM
R/W
√
√
−
00H
FFACH
Reset control flag register
RESF
R
−
√
−
00H
Note 2
FFBAH
16-bit timer mode control register 00
TMC00
R/W
√
√
−
00H
FFBBH
Prescaler mode register 00
PRM00
R/W
√
√
−
00H
Notes 1.
µ
PD78F0102H and 78F0103H only.
2. This value varies depending on the reset source.