DMC73C168 データシートの表示（PDF） - Daewoo Semiconductor
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DMC73C168 Datasheet PDF : 82 Pages
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8Bit Single Chip Microcontroller
16
DMC73C168
4.7.1 Peripheral Files detail Description
1) I/O CONTROL REGISTERS
PF NAME : IOCTL0
: I/O CONTROL REGISTER 0
R/W BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1
P0
>0100
READ
WRITE
NOT USED
INT3F INT3E INT2F INT2E INT1F
INT3C INT3E INT2C INT2E INT1C
RESET VALUE
X
X
O
O
O
O
O
X = Indeterminate
Read : INTnF : 0 = INTn inactive
1 = INTn pending
Write : INTnE : 0 = INTn disable
1 = INTn enable
INTnC : 0 = No Effect
1 = Clear INTn flag
BIT 0
INT1E
INT1E
O
PF NAME : IOCTL1
: I/O CONTROL REGISTER 1
R/W BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1
P1
READ INT41F INT41E INT40F INT40E NOT INT40S INT3S
>0101 WRITE INT41C INT41E INT40C INT40E USED INT40S INT3S
RESET VALUE
O
O
O
X = Indeterminate
INT41 = INT4-1
INT40 = INT4-0
Read : INTnF : 0 = INTn inactive
1 = INTn pending
INTnS : 0 = Falling edge sensing
1 = Rising edgi sensing
O
X
O
O
Write : INTnE : 0 = INTn disable
1 = INTn enable
INTnC : 0 = No Effect
1 = Clear INTn flag
BIT 0
INT1S
INT1S
O
PF NAME : IOCTL2
: I/O CONTROL REGISTER 2
R/W BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1
P2
READ INT7F INT7E INT6F INT6E INT5F INT5E INT4F
>0102 WRITE INT7C INT7E INT6C INT6E INT5C INT5E X
RESET VALUE
O
O
O
O
O
O
O
Read : INTnF : 0 = INTn inactive
Write : INTnE : 0 = INTn disable
1 = INTn pending
1 = INTn enable
This bit is automatically cleared
INTnC : 0 = No Effect
When CPU fetch its vector address.
1 = Clear INTn flag
<< INT4F is not automatically cleared
When CPU fetch v ector address>>
BIT 0
INT4E
INT4E
O
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