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4559 Datasheet(PDF) 10 Page - Renesas Technology Corp

Part # 4559
Description  SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
PDF  148 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

4559 Datasheet(HTML) 10 Page - Renesas Technology Corp

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Rev.1.04
Aug 23, 2007
Page 10 of 146
REJ03B0188-0104
4559 Group
Fig 4.
Port block diagram (2)
XCIN/D6 (Note 2)
S
R Q
RG2
1
0
XCOUT/D7 (Note 2)
S
R Q
RG2
1
0
Quartz-crystal
oscillation circuit
Sub-clock input
RG2
C/CNTR (Note 2)
SCP instruction
RCP instruction
S
R
Q
PWMOD
D
T
Q
R
Timer 1 underflow signal
W41
W12
W10
W11
Clock input for timer 1 event count
Notes 1.
This symbol represents a parasitic diode on the port.
2. Applied potential to these ports must be VDD or less.
Register Y
Decoder
SD instruction
RD instruction
CLD instruction
(Note 1)
(Note 1)
Register Y
Decoder
SD instruction
RD instruction
CLD instruction
(Note 1)
(Note 1)
(Note 1)
(Note 1)



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