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CHAPTER 3 CPU ARCHITECTURE
Preliminary User’s Manual U16035EJ1V0UM
Table 3-5. Special Function Register List (2/2)
Address
Special Function Register (SFR) Name
Symbol
R/W
Manipulatable Bit Unit
After Reset
1 Bit
8 Bits 16 Bits
FF47H
Memory expansion mode register
MEM
R/W
√
√
—
00H
FF48H
External interrupt rising edge enable register
EGP
√
√
—
FF49H
External interrupt falling edge enable register
EGN
√
√
—
FF60H
16-bit timer mode control register 0
TMC0
√
√
—
FF61H
Prescaler mode register 0
PRM0
—
√
—
FF62H
Capture/compare control register 0
CRC0
√
√
—
FF63H
16-bit timer output control register 0
TOC0
√
√
—
FF70H
8-bit timer mode control register 50
TMC50
√
√
—
FF71H
Timer clock select register 50
TCL50
—
√
—
FF78H
8-bit timer mode control register 51
TMC51
√
√
—
FF79H
Timer clock select register 51
TCL51
—
√
—
FF80H
A/D converter mode register 0
ADM0
√
√
—
FF81H
Analog input channel specification register 0
ADS0
—
√
—
FFA0H
Asynchronous serial interface mode register 0
ASIM0
√
√
—
FFA1H
Asynchronous serial interface status register 0
ASIS0
R
—
√
—
FFA2H
Baud rate generator control register 0
BRGC0
R/W
—
√
—
FFB0H
Serial operation mode register 30
CSIM30
√
√
—
FFB8H
Serial operation mode register 31
CSIM31
√
√
—
FFD0H
External access area
Note 1
√
√
—
Undefined
to
FFDFH
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 level specification flag register 0L
PR0
PR0L
√
√
√
FFE9H
Priority level specification flag register 0H
PR0H
√
√
FFEAH
Priority level specification flag register 1L
PR1L
√
√
—
FFF0H
Memory size switching register
IMS
—
√
—
CFH
Note 2
FFF9H
Watchdog timer mode register
WDTM
√
√
—
00H
FFFAH
Oscillation stabilization time select register
OSTS
—
√
—
04H
FFFBH
Processor clock control register
PCC
√
√
—
Notes 1.
The external access area cannot be accessed by SFR addressing. Access it with the direct addressing method.
2.
The default is CFH, but set the value corresponding to each respective product as indicated below.
µ
PD780021AS, 780031AS: 42H
µ
PD780022AS, 780032AS: 44H
µ
PD780023AS, 780033AS: C6H
µ
PD780024AS, 780034AS: C8H
µ
PD78F0034BS:
Value for mask ROM version