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M38203 Datasheet(PDF) 93 Page - Mitsubishi Electric Semiconductor

Part # M38203
Description  8-BIT SINGLE-CHIP MICROCOMPUTER
PDF  344 Pages
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Manufacturer  MITSUBISHI [Mitsubishi Electric Semiconductor]
Direct Link  http://www.mitsubishichips.com
Logo MITSUBISHI - Mitsubishi Electric Semiconductor

M38203 Datasheet(HTML) 93 Page - Mitsubishi Electric Semiconductor

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2.1 I/O pins
APPLICATION
3820 GROUP USER’S MANUAL
2–7
2.1.2 Function pins
Each function pin except I/O ports is described below.
(1) Pins VCC and VSS
Power source input pins. In the high-speed mode, apply (
+ 2) V–5.5 V to the VCC pin.
In the middle-speed mode or the low-speed mode, apply 2.5 V–5.5 V to the VCC pin.
In all modes, apply 0 V to the VSS pin.
(2) Pins VL1, VL2 and VL3
Power source input pins for LCD. Apply 0
≤ VL1 ≤ VL2 ≤VL3 ≤ VCC of voltage to these pins.
(3) Pins XIN and XOUT
An input pin and an output pin for the main clock generating circuit.
(4) RESET pin
The 3820 group is reset internally by keeping the level of this pin at “L” for 2
µs or more. Reset state
is released by returning the level of this pin to “H”.
(5) Pins SEG0 to SEG15
Segment signal output pins for LCD.
(6) Pins COM0 to COM3
Common signal output pins for LCD.
When Ta = –40
°C to –20 °C, use the extended operating temperature version, and apply
3.0 V–5.5 V to the VCC pin.
f(XIN) MHz
4



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