M38197 Mitsubishi, M38197 Datasheet - Page 15

• Manufacturer Part Number: M38197
• Description: SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
• Manufacturer: Mitsubishi

Fig. UA-5 Port block diagram (4)
Note: The dimmer signal sets the Toff timing.
: High-breakdown-voltage P-channel transistor
(13) Ports P8, PA
(14) Port PB
(15) Port PB
(16) Port PB
0
1
2
Data bus
Data bus
Data bus
Local
data bus
Data bus
Sub-clock generating circuit input
Port latch
Port latch
Port latch
Direction
register
Direction
register
Direction
register
S/P switch register
Port X
bit
Port X
bit
Directionregister
D-A conversion output
Port latch
C
C
switch
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
switch
Dimmer signal
Port PB
D-A output enable bit
(Note)
Oscillation circuit
Port X
1
C
rea d
switch bit
3819 Group
15