M34570M4-XXXFP 查看數據表（PDF） - Renesas Electronics
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M34570M4-XXXFP Datasheet PDF : 69 Pages
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MITSUBISHI MICROCOMPUTERS
4570 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
PORT BLOCK DIAGRAMS (continued)
Timer 2 underflow
signal
ORCLK
XIN
W31,W30
00
W33
01
0
MR3 10
1
0
11
1/2
1
Not available
(TAB3)
Register B Register A
(T3HAB)
Reload register R3H (8)
Reload control circuit
Timer 3(8)
TQ
R
(T3AB)
Reload register R3L (8)
(T3AB)
Register B Register A
W33
(TAB3)
To timer 1
CARRY
C21
(Note)
Port CARR
Timer 3
T3F
interrupt
Timer 1 underflow
signal
C20
TQ
R
W10
Note :
This symbol represents a parasitic diode.
7
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