NEC 78K0 User Manual page 82

Address Special Function Register (SFR) Name
FF6BH 8-bit timer mode control register 50
FF6CH 8-bit timer H mode register 1
FF6DH 8-bit timer H carrier control register 1
FF6EH Key return mode register
FF6FH Watch timer operation mode register
FF70H Asynchronous serial interface operation mode
register 0
FF71H Baud rate generator control register 0
FF72H Receive buffer register 0
FF73H Asynchronous serial interface reception error
status register 0
FF74H Transmit shift register 0
FF80H Serial operation mode register 10
FF81H Serial clock selection register 10
FF84H Transmit buffer register 10
FF88H Serial operation mode register 11
FF89H Serial clock selection register 11
FF8CH Timer clock selection register 51
FF90H Serial operation mode specification register 0
FF91H Serial status register 0
FF92H Serial trigger register 0
FF93H Divisor selection register 0
FF94H Automatic data transfer address point
specification register 0
FF95H Automatic data transfer interval specification
register 0
FF96H Serial I/O shift register 0
FF97H Automatic data transfer address count register 0
FF98H Watchdog timer mode register
FF99H Watchdog timer enable register
FFA0H Ring-OSC mode register
FFA1H Main clock mode register
FFA2H Main OSC control register
FFA3H Oscillation stabilization time counter status register OSTC
FFA4H Oscillation stabilization time select register
FFA9H Clock monitor mode register
FFACH Reset control flag register
FFB0H 16-bit timer counter 01
FFB1H
µ
Notes 1. PD780146, 780148, and 78F0148 only.
2. This value varies depending on the reset source.
82
CHAPTER 3 CPU ARCHITECTURE
Table 3-5. Special Function Register List (3/4)
TMC50
TMHMD1
TMCYC1
KRM
WTM
ASIM0
BRGC0
RXB0
ASIS0
TXS0
CSIM10
CSIC10
SOTB10
Note 1
CSIM11
Note 1
CSIC11
TCL51
CSIMA0
CSIS0
CSIT0
BRGCA0
ADTP0
ADTI0
SIOA0
ADTC3
WDTM
WDTE
RCM
MCM
MOC
OSTS
CLM
RESF
Note 1
TM01
User's Manual U15947EJ2V0UD
Symbol R/W Manipulatable Bit Unit
1 Bit
√
R/W
√
R/W
√
R/W
√
R/W
√
R/W
√
R/W
−
R/W
−
R
−
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/W
√
R/W
√
R
−
R/W
√
R/W
−
R
−
R
After
Reset
8 Bits 16 Bits
√ −
00H
√ −
00H
√ −
00H
√ −
00H
√ −
00H
√ −
01H
√ −
1FH
√ −
FFH
√ −
00H
√ −
FFH
√ −
00H
√ −
00H
√ −
Undefined
√ −
00H
√ −
00H
√ −
00H
√ −
00H
√ −
00H
√ −
00H
√ −
03H
√ −
00H
√ −
00H
√ −
00H
√ −
00H
√ −
67H
√ −
9AH
√ −
00H
√ −
00H
√ −
00H
√ −
00H
√ −
05H
√ −
00H
√ −
Note 2
00H
− √
0000H