參數資料
型號: UT80C196KD-WCC
英文描述: MICROCONTROLLER|16-BIT|8096 CPU|CMOS|QFL|68PIN|PLASTIC
中文描述: 單片機| 16位| 8096的CPU |的CMOS | QFL | 68PIN |塑料
文件頁數: 9/42頁
文件大?。?/td> 190K
代理商: UT80C196KD-WCC
9
Table 9: External I/O Reset State
External I/O
I/O Function After Reset
I/O State During
Reset
I/O State After Reset
Address/Data Bus (AD15:0)
Address/Data Bus
Pulled High
Driven Output
ALE
ADV
ALE
Pulled High
Driven Output
RD
RD
Pulled High
Driven Output
WR
WRL
WR
Pulled High
Driven Output
Port 0 (P0.0-P0.3; P0.6)
ECB(4:0)
[P0.0-P0.3; P0.6] and
ECB(4:0)
Undefined Inputs
1
Undefined I/O
1, 2
Port 0 (P0.4 and P0.5)
P0.4 and P0.5
Undefined Inputs
1
Undefined Inputs
1
Port 0 (P0.7)
EXTINT
P0.7
Undefined Input
1
Undefined Input
1
NMI
NMI
Pulled Down
Pulled Down
HSI.0
T2RST
HSI.0
Disabled Input
1
Disabled Input
1
HSI.1
T2CLK
HSI.1
Disabled Input
1
Disabled Input
1
HSI.2/HSO.4
Undefined
Disabled I/O
1
Disabled I/O
1
HSI.3/HSO.5
Undefined
Disabled I/O
1
Disabled I/O
1
HSO.0 through HSO.3
HSO.0-HSO.3
Pulled Down
Driven Low
Outputs
Port 1 (P1.0-P1.7)
PWM1; PWM2;
BREQ; HLDA; HOLD
P1.0-P1.7
Pulled Up
Pulled Up
Port 2 (P2.0)
TXD
TXD
Pulled Up
Driven High
Output
Port 2 (P2.1)
RXD
RXD
Undefined Input
1
Undefined Input
1
Port 2 (P2.2)
EXTINT
P2.2 and EXTINT
Undefined Input
1
Undefined Input
1
Port 2 (P2.3)
T2CLK
P2.3 and T2CLK
Undefined Input
1
Undefined Input
1
Port 2 (P2.4)
T2RST
P2.4
Undefined Input
1
Undefined Input
1
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