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4501 데이터시트(PDF) 21 Page - Renesas Technology Corp

부품명 4501
상세설명  4-BIT CISC SINGLE-CHIP MICROCOMPUTER 4500 SERIES
PDF  212 Pages
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제조업체  RENESAS [Renesas Technology Corp]
홈페이지  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

4501 데이터시트(HTML) 21 Page - Renesas Technology Corp

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4501 Group
HARDWARE
Rev.2.01
Feb 07, 2005
REJ09B0192-0201
PORT BLOCK DIAGRAMS
D0, D1
S
RQ
(Note 1)
D2/C
S
RQ
Skip decision
(SZD instruction)
(Note 1)
PU22
S
RQ
K22
Pull-up
transistor
(Note 2)
“L” level
detection circuit
D3/K
S
RQ
PU23
D
TQ
A0
OKA instruction
Register A
IAK instruction
K23
(Note 2)
SD instruction
Decoder
Skip decision
(SZD instruction)
Register Y
RD instruction
CLD
instruction
Skip decision
(SNZCP
instruction)
SD instruction
RD instruction
CLD
instruction
Decoder
Register Y
SCP instruction
RCP instruction
Key-on wakeup
Skip decision
(SZD instruction)
(Note 1)
Pull-up
transistor
“L” level
detection circuit
SD instruction
RD instruction
CLD
instruction
Decoder
Register Y
Key-on wakeup
This symbol represents a parasitic diode on the port.
2: Applied potential to ports D2/C and D3/K must be VDD or less.
Notes 1:
Port block diagram (1)
PIN DESCRIPTION



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