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4501_M Datasheet(PDF) 23 Page - Renesas Technology Corp

Part # 4501_M
Description  4-BIT CISC SINGLE-CHIP MICROCOMPUTER 4500 SERIES
PDF  212 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

4501_M Datasheet(HTML) 23 Page - Renesas Technology Corp

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1-11
4501 Group
HARDWARE
Rev.2.01
Feb 07, 2005
REJ09B0192-0201
Port block diagram (3)
P10, P11 (Note 3)
Register A
Ai
Ai
D
TQ
(Note 2)
K1i
PU1i (Note 2)
(Note 2)
A3
A3
D
T
Q
PU13
P13/INT (Note 3)
K13
K13
P12/CNTR (Note 3)
A2
A2
D
TQ
K12
PU12
W60
0
1
W20
W21
IAP1 instruction
OP1A instruction
(Note 1)
“L” level
detection circuit
This symbol represents a parasitic diode on the port.
2: i represents 0 or 1.
3: Applied potential to port P1 must be VDD or less.
Notes 1:
Key-on wakeup input
Pull-up transistor
Register A
IAP1 instruction
OP1A instruction
(Note 1)
“L” level
detection circuit
Key-on wakeup input
Pull-up transistor
Clock input for timer 2 event counter
Timer 1 or timer 2 underflow
signal divided by 2
“L” level
detection circuit
Key-on wakeup input
Pull-up transistor
Register A
IAP1 instruction
OP1A instruction
External 0 interruptExternal interrupt circuit
(Note 1)
PIN DESCRIPTION



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