參數(shù)資料
型號： UPD784224Y
廠商： NEC Corp.
英文描述： 16/8-BIT SINGLE-CHIP MICROCONTROLLERS
中文描述： 16/8-BIT單晶片微控制器
文件頁數(shù)： 26/92頁
文件大小： 687K
代理商： UPD784224Y
26
μ
PD784224, 784225, 784224Y, 784225Y
Data Sheet U12376EJ1V0DS00
Table 6-1. Special Function Register (SFR) List (1/4)
Address
Note 1
Special Function Register (SFR) Name
Symbol
R/W
Bit Units for Manipulation
At 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
TM0
R
—
—
0000H
0FF11H
0FF12H
Capture/compare register 00
(16-bit timer/counter)
CR00
R/W
—
—
0FF13H
0FF14H
Capture/compare register 01
(16-bit timer/counter)
CR01
—
—
0FF15H
0FF16H
Capture/compare control register 0
CRC0
—
00H
0FF18H
16-bit timer mode control register
TMC0
—
0FF1AH
16-bit timer output control register
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
—
0FF3CH
Pull-up resistor option register 12
PU12
—
0FF40H
Clock output control register
CKS
—
Notes 1.
When the LOCATION 0H instruction is executed. Add “F0000H” to this value when the LOCATION 0FH
instruction is executed.
2.
Because each port is initialized to input mode at reset, “00H” is not actually read. The output latch is
initialized to “0”.
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