參數(shù)資料
型號: M34501M4
廠商: Mitsubishi Electric Corporation
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): 22/113頁
文件大小: 1252K
代理商: M34501M4
22
4501 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
(2) External interrupt control registers
Interrupt control register I1
Register I1 controls the valid waveform for the external 0 inter-
rupt. Set the contents of this register through register A with the
TI1A instruction. The TAI1 instruction can be used to transfer the
contents of register I1 to register A.
Table 8 External interrupt control register
I1
3
I1
2
I1
1
I1
0
INT pin input control bit (Note 2)
Interrupt valid waveform for INT pin/
return level selection bit (Note 2)
INT pin edge detection circuit control bit
INT pin
timer 1 control enable bit
Interrupt control register I1
R/W
at RAM back-up : state retained
at reset : 0000
2
INT pin input disabled
INT pin input enabled
Falling waveform (
L
level of INT pin is recognized with the SNZI0
instruction)/
L
level
Rising waveform (
H
level of INT pin is recognized with the SNZI0
instruction)/
H
level
One-sided edge detected
Both edges detected
Disabled
Enabled
0
1
0
1
0
1
0
1
Notes 1:
R
represents read enabled, and
W
represents write enabled.
2: When the contents of I1
2
and I1
3
are changed, the external interrupt request flag EXF0 may be set. Accordingly, clear EXF0 flag with the SNZ0 in-
struction when the bit 0 (V1
0
) of register V1 to
0
. In this time, set the NOP instruction after the SNZ0 instruction, for the case when a skip is
performed with the SNZ0 instruction.
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M34513M2 Hook-Up Wire; Conductor Size AWG:26; No. Strands x Strand Size:7 x 34; Jacket Color:White; Approval Bodies:UL, CSA; Approval Categories:UL AWM Style 1061; CSA AWM; Conductor Material:Copper; Jacket Material:Polyvinylchloride (PVC) RoHS Compliant: Yes
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