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CHAPTER 3 CPU ARCHITECTURE
Address
Special-Function Register (SFR) Name
Symbol
R/W
Manipulatable Bit Unit
After Reset
1 bit
8 bits
16 bits
FF49H
8-bit timer mode control register
TMC1
R/W
—
00H
FF4AH
Watch timer mode control register
TMC2
—
FF4CH
Capture/compare control register 0
CRC0
—
04H
FF4EH
16-bit timer output control register
TOC0
—
00H
FF4FH
8-bit timer output control register
TOC1
—
FF60H
Serial operating mode register 0
CSIM0
—
FF61H
Serial bus interface control register
SBIC
—
FF62H
Slave address register
SVA
—
—
Undefined
FF63H
Interrupt timing specify register
SINT
—
00H
FF70H
Asynchronous serial interface mode register
ASIM
—
FF71H
Asynchronous serial interface status register
ASIS
R
—
FF72H
Serial operating mode register 2
CSIM2
RW
—
FF73H
Baud rate generator control register
BRGC
—
—
FF74H
Transmit shift register
– – – – – – – – – – – – – – – – – – – – – – – – –
TXS
SIO2
W
—
—
FFH
Receive buffer register
RXB
R
FF80H
A/D converter mode register
ADM
R/W
—
01H
FF84H
A/D converter input select register
ADIS
—
—
00H
FFB0H
LCD display mode register
LCDM
—
FFB2H
LCD display control register
LCDC
—
FFB8H
Key return mode register
KRM
—
02H
FFE0H
Interrupt request flag register 0L
IF0
IF0L
00H
FFE1H
Interrupt request flag register 0H
IF0H
FFE2H
Interrupt request flag register 1L
IF1L
—
FFE4H
Interrupt mask flag register 0L
MK0
MK0L
FFH
FFE5H
Interrupt mask flag register 0H
MK0H
FFE6H
Interrupt mask flag register 1L
MK1L
—
FFE8H
Priority order specify flag register 0L
PR0
PR0L
FFE9H
Priority order specify flag register 0H
PR0H
FFEAH
Priority order specify flag register 1L
PR1L
—
FFECH
External interrupt mode register 0
INTM0
—
—
00H
FFEDH
External interrupt mode register 1
INTM1
—
—
FFF0H
Memory size switching register
IMS
—
—
C8H
FFF2H
Oscillation mode selection register
OSMS
W
—
—
00H
FFF3H
Pull-up resistor option register H
PUOH
R/W
—
FFF7H
Pull-up resistor option register L
PUOL
—
FFF9H
Watchdog timer mode register
WDTM
—
FFFAH
Oscillation stabilization time select register
OSTS
—
—
04H
FFFBH
Processor clock control register
PCC
—
Table 3-4. Special-Function Register List (2/2)
– – – – – -