7470 Datasheet, PDF (16/47 Pages) Renesas Technology Corp – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI MICROCOMPUTERS
7470/7471 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
XCIN
(Note 1)
1/2
XIN
P32/CNTR0
P12/T0
1/2
1/8
CM7
EG2
Port latch
T12M3
T12M2
T12M0
Timer 1 latch (8)
T12M1
Timer 1 (8)
TM20
1/2
Data bus
Timer 1
interrupt request
T12M6
T12M7
1/4
1/8
1/16
P33/CNTR1
EG3
T12M4
T12M5
Timer 2 latch (8)
Timer 2 (8)
TM26
T34M1
T34M2
T34M0
Timer 3 latch (8)
Timer 3 (8)
T34M4
T34M5
Timer 4 latch (8)
Timer 4 (8)
P13/T1
Port latch
EG4^T34MT6_34M3
T34M7
P33/CNTR1
P32/CNTR0
P31/INT1
P30/INT0
F/F
1/2
EG3 ^TM27
TM21
EG2
C
D3 Q3
EG1
D2 Q2
D1 Q1
D0 Q0
EG0
(
Select gate : At reset, shaded side is connected.)
Note 1 : The 7470 group does not have XCIN input.
Timer 2
interrupt request
Timer 3
interrupt request
Timer 4
interrupt request
Fig. 6 Block diagram of timer 1 through 4
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