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4570 Datasheet(PDF) 8 Page - Renesas Technology Corp

Part # 4570
Description  SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
PDF  69 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

4570 Datasheet(HTML) 8 Page - Renesas Technology Corp

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7
MITSUBISHI MICROCOMPUTERS
4570 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
PORT BLOCK DIAGRAMS (continued)
Timer 1 underflow
signal
C20
W10
Port CARR
To timer 1
CARRY
MR3
0
1
1/2
Timer 2 underflow
signal
ORCLK
Register B
Register A
(T3AB)
Reload register R3L (8)
Timer 3(8)
Register B
Register A
(T3HAB)
Reload register R3H (8)
0
1
W33
Reload control circuit
(TAB3)
W31,W30
10
01
00
11
Not available
(T3AB)
(TAB3)
T3F
Timer 3
interrupt
C21
W33
Q
R
T
Q
R
T
XIN
This symbol represents a parasitic diode.
Note :
(Note)



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