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3819 Datasheet(PDF) 28 Page - Renesas Technology Corp

Part # 3819
Description  8-BIT SINGLE-CHIP MICROCOMPUTER
PDF  218 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

3819 Datasheet(HTML) 28 Page - Renesas Technology Corp

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14
3819 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
Fig. 5 Port block diagram (2)
Direction
register
Port latch
Data bus
Port latch
Dimmer signal
(Note)
Data bus
VEE
V
Direction
register
Port latch
Data bus
(6) Ports P40, P45
Data bus
INT0, INT1 interrupt input
Zero cross
detection
circuit input
(only P45)
Local data bus
(5) Ports P3, P9
INT2–INT4 interrupt input
CNTR0,CNTR1 input
Timer 1 output selection bit
Timer 3 output selection bit
Timer 6 output selection bit
Timer 1 output
Timer 3 output
Timer 6 output
V : High-breakdown-voltage P-channel transistor
Note: The dimmer signal sets the Toff timing.
(7) Ports P42–P44, P62, P63
(8) Ports P46, P47, P61



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