M38223M2FS View Datasheet(PDF) - MITSUBISHI ELECTRIC

Part Name

Description

Manufacturer

M38223M2FS

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI ELECTRIC  

(13) Port P56

Direction register

Data bus

Port latch

TOUT output control bit

Timer output

MITSUBISHI MICROCOMPUTERS

3822 Group

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

Pul-up control

(14) Port P6

Direction register

Data bus

Port latch

Pull-up control

A-D conversion input

Analog input pin selection bit

(15) Port P70

Port XC switch bit + Pull-up control

Port XC switch bit

Direction register

Data bus

Port latch

(16) Port P71

Port XC switch bit + Pull-up control

Port XC switch bit

Direction register

Data bus

Port latch

(17) COM0–COM3

VL3

VL2

VL1

Oscillation circuit

Port P71

Port XC switch bit

Sub-clock generating circuit input

(18) SEG0–SEG11

VL2/VL3

The gate input signal of each transistor is

controlled by the LCD duty ratio and the

bias value.

VL1/VSS

The voltage applied to the sources of

P-channel and N-channel transistors

is the controlled voltage by the bias

value.

Fig. 17 Port block diagram (3)

21

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