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CHAPTER 3 CPU ARCHITECTURE
User’s Manual U12697EJ3V0UM
Table 3-6. Special Function Register (SFR) List (1/4)
Address
Note 1
Special Function Register (SFR) Name
Symbol
R/W
Bit Manipulation Unit
After Reset
1 Bit
8 Bits 16 Bits
0FF00H
Port 0
P0
R/W
√
√
—
00H
Note 2
0FF01H
Port 1
P1
R
√
√
—
0FF02H
Port 2
P2
R/W
√
√
—
0FF03H
Port 3
P3
√
√
—
0FF04H
Port 4
P4
√
√
—
0FF05H
Port 5
P5
√
√
—
0FF06H
Port 6
P6
√
√
—
0FF07H
Port 7
P7
√
√
—
0FF0CH
Port 12
P12
√
√
—
0FF0DH
Port 13
P13
√
√
—
0FF10H
16-bit timer counter 0
TM0
R
—
—
√
0000H
0FF11H
0FF12H
Capture/compare register 00
CR00
R/W
—
—
√
0FF13H
(16-bit timer/event counter)
0FF14H
Capture/compare register 01
CR01
—
—
√
0FF15H
(16-bit timer/event counter)
0FF16H
Capture/compare control register 0
CRC0
√
√
—
00H
0FF18H
16-bit timer mode control register 0
TMC0
√
√
—
0FF1AH
16-bit timer output control register 0
TOC0
√
√
—
0FF1CH
Prescaler mode register 0
PRM0
√
√
—
0FF20H
Port 0 mode register
PM0
√
√
—
FFH
0FF22H
Port 2 mode register
PM2
√
√
—
0FF23H
Port 3 mode register
PM3
√
√
—
0FF24H
Port 4 mode register
PM4
√
√
—
0FF25H
Port 5 mode register
PM5
√
√
—
0FF26H
Port 6 mode register
PM6
√
√
—
0FF27H
Port 7 mode register
PM7
√
√
—
0FF2CH
Port 12 mode register
PM12
√
√
—
0FF2DH
Port 13 mode register
PM13
√
√
—
0FF30H
Pull-up resistor option register 0
PU0
√
√
—
00H
0FF32H
Pull-up resistor option register 2
PU2
√
√
—
0FF33H
Pull-up resistor option register 3
PU3
√
√
—
0FF37H
Pull-up resistor option register 7
PU7
√
√
—
Notes 1.
These values are when the LOCATION 0H instruction is executed. When the LOCATION 0FH
instruction is executed, F0000H is added to these values.
2.
Since each port is initialized in the input mode by a reset, in fact, 00H is not read out. The output latch
is initialized to 0.