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38C3 Datasheet(PDF) 33 Page - Renesas Technology Corp

Part # 38C3
Description  8-BIT SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 38000 SERIES
PDF  224 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

38C3 Datasheet(HTML) 33 Page - Renesas Technology Corp

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38C3 Group User’s Manual
HARDWARE
1-18
Fig. 14 Port block diagram (3)
FUNCTIONAL DESCRIPTION
(14)Port P70
Direction register
Data bus
Port latch
Port selection • pull-up control
Oscillator
Port P70
(15)Port P71
Direction register
Data bus
Port Xc switch bit
Port latch
Port selection • pull-up control
Sub-clock generating circuit input
(16)COM0–COM3
VL3
VL2
VL1
The gate input signal of each
transistor is controlled by the
LCD duty ratio and the bias
value.
(13)Port P6
Analog input pin selection bit
A-D conversion input
Data bus
Port latch
Direction register
Pull-up control
(17)Port P8
Key input (key-on wake-up) interrupt input
Data bus
Direction register
Port latch
Pull-up control
P-channel output disable bit
Port Xc switch bit
Port Xc switch bit



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