參數(shù)資料
型號(hào): M34571G4
廠商: Renesas Technology Corp.
英文描述: SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
中文描述: 單芯片4位微機(jī)的CMOS
文件頁數(shù): 66/126頁
文件大?。?/td> 1627K
代理商: M34571G4
Rev.1.02
REJ03B0179-0102
May 25, 2007
Page 66 of 124
4571 Group
Note 1. “R” represents read enabled, and “W” represents write enabled.
Pull-up control register PU0
at reset : 0000
2
at RAM back-up : state retained
R/W
TAPU0/TPU0A
PU0
3
Port P0
3
pull-up transistor
control bit
0
1
0
1
0
1
0
1
Pull-up transistor OFF
Pull-up transistor ON
Pull-up transistor OFF
Pull-up transistor ON
Pull-up transistor OFF
Pull-up transistor ON
Pull-up transistor OFF
Pull-up transistor ON
PU0
2
Port P0
2
pull-up transistor
control bit
PU0
1
Port P0
1
pull-up transistor
control bit
PU0
0
Port P0
0
pull-up transistor
control bit
Pull-up control register PU1
at reset : 0000
2
at RAM back-up : state retained
R/W
TAPU1/TPU1A
PU1
3
Port P1
3
pull-up transistor
control bit
0
1
0
1
0
1
0
1
Pull-up transistor OFF
Pull-up transistor ON
Pull-up transistor OFF
Pull-up transistor ON
Pull-up transistor OFF
Pull-up transistor ON
Pull-up transistor OFF
Pull-up transistor ON
PU1
2
Port P1
2
pull-up transistor
control bit
PU1
1
Port P1
1
pull-up transistor
control bit
PU1
0
Port P1
0
pull-up transistor
control bit
Pull-up control register PU2
at reset : 0000
2
at RAM back-up : state retained
R/W
TAPU2/TPU2A
PU2
3
Not used
0
1
0
1
0
1
0
1
This bit has no function, but read/write is enabled.
PU2
2
Not used
This bit has no function, but read/write is enabled.
PU2
1
Port P2
1
pull-up transistor
control bit
Pull-up transistor OFF
Pull-up transistor ON
Pull-up transistor OFF
Pull-up transistor ON
PU2
0
Port P2
0
pull-up transistor
control bit
Port output structure control register FR0
at reset : 0000
2
at RAM back-up : state retained
W
TFR0A
FR0
3
Not used
0
1
0
1
0
1
0
1
This bit has no function, but read/write is enabled.
FR0
2
Not used
This bit has no function, but read/write is enabled.
FR0
1
Port P3
1
output structure selection bit
N-channel open-drain output
CMOS output
N-channel open-drain output
CMOS output
FR0
0
Port P3
0
output structure selection bit
Port output structure control register FR1
at reset : 0000
2
at RAM back-up : state retained
W
TFR1A
FR1
3
Port D
3
output structure selection bit
0
1
0
1
0
1
0
1
N-channel open-drain output
CMOS output
N-channel open-drain output
CMOS output
N-channel open-drain output
CMOS output
N-channel open-drain output
CMOS output
FR1
2
Port D
2
output structure selection bit
FR1
1
Port D
1
output structure selection bit
FR1
0
Port D
0
output structure selection bit
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