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Part Name
Description
M34501M2 View Datasheet(PDF) - MITSUBISHI ELECTRIC
Part Name
Description
Manufacturer
M34501M2
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
MITSUBISHI ELECTRIC
M34501M2 Datasheet PDF : 113 Pages
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PORT BLOCK DIAGRAMS
Register Y
Skip decision
Decoder (SZD instruction)
SD instruction
RD instruction
CLD
instruction
S
RQ
MITSUBISHI MICROCOMPUTERS
4501 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
D
0
, D
1
(Note 1)
Register Y
SD instruction
RD instruction
Decoder
Key-on wakeup
CLD
instruction
SCP instruction
K2
2
“
L
”
level
detection circuit
Skip decision
(SZD instruction)
Skip decision
S
(SNZCP
instruction)
RQ
S
RCP instruction R Q
Pull-up
transistor
PU2
2
(Note 1)
D
2
/C (Note 2)
Register Y
SD instruction
RD instruction
Decoder
Key-on wakeup
Pull-up
transistor
K2
3
“
L
”
level
detection circuit
PU2
3
CLD
instruction
Skip decision
(SZD instruction)
IAK instruction
S
Register A
RQ
A
0
D
(Note 1)
D
3
/K (Note 2)
OKA instruction
TQ
Notes 1:
This symbol represents a parasitic diode on the port.
2: Applied potential to ports D
2
/C and D
3
/K must be V
DD
or less.
Port block diagram (1)
7
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