m3819 Renesas Electronics Corporation., m3819 Datasheet - Page 30

• Manufacturer Part Number: m3819
• Description: Mitsubishi 8-bit Single-chip Microcomputer 740 Family / 38000 Series
• Manufacturer: Renesas Electronics Corporation.

Fig. 7 Port block diagram (4)
16
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
Port X
Directionregister
D-A conversion output
Port latch
C
C
switch bit
switch bit
Dimmer signal
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Port PB
D-A output enable bit
(Note)
Oscillation circuit
Port X
1
MITSUBISHI MICROCOMPUTERS
C
read
switch bit
3819 Group