M38197MA Datasheet, PDF (13/60 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI MICROCOMPUTERS
3819 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
(5) Ports P3, P9
Local data bus
Dimmer signal
(Note)
Data bus
Port latch
V
VEE
(6) Ports P40, P45
Data bus
INT0, INT1 interrupt input
(7) Ports P42–P44, P62, P63
Zero cross
detection
circuit
input
(only P4 5)
Data bus
Direction
register
Port latch
(8) Ports P46, P47, P61
INT2–INT4 interrupt input
CNTR0,CNTR1 input
Timer 1 output selection bit
Timer 3 output selection bit
Timer 6 output selection bit
Direction
register
Data bus
Port latch
V : High-breakdown-voltage P-channel transistor
Note: The dimmer signal sets the Toff timing.
Fig. UA-3 Port block diagram (2)
Timer 1 output
Timer 3 output
Timer 6 output
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