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3819 Scheda tecnica(PDF) 27 Page - Renesas Technology Corp

Il numero della parte 3819
Spiegazioni elettronici  8-BIT SINGLE-CHIP MICROCOMPUTER
PDF  218 Pages
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Produttore elettronici  RENESAS [Renesas Technology Corp]
Homepage  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

3819 Scheda tecnica(HTML) 27 Page - Renesas Technology Corp

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13
3819 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
Fig. 4 Port block diagram (1)
(4) Ports P24–P27, P41, P60, PB3
Direction
register
Port latch
Data bus
(3) Ports P20–P23
(2) Ports P12–P17
(1) Ports P0, P10, P11
Port latch
D/P switch register
Dimmer signal
(Note)
Shift signal to next stage
Blanking signal
for key-scan
Data bus
Shift signal from previous stage
Port latch
VEE
Shift signal from previous stage
Data bus
Shift signal to next stage
Dimmer signal
(Note)
Shift signal to next stage
Data bus
Shift signal from previous stage
Port latch
S/D switch register
Local data bus
Blanking signal
for key-scan
Dimmer signal
(Note)
VEE
VEE
V
V
V
V : High-breakdown-voltage P-channel transistor
Note: The dimmer signal sets the Toff timing.



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