3822 datasheet(18/59 Pages) RENESAS

Part #	3822

Description	SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

PDF	59 Pages

Scroll/Zoom	100%

Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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18 / 59 page

Rev.1.20

Dec 24, 2003

page 18 of 57

3822 Group (A ver.)

Fig. 14 Port block diagram (3)

VL2/VL3

VL1/VSS

(13) Port P56

Data bus

Direction register

Port latch

Pul-up control

TOUT output control bit

Timer output

(14) Port P6

Data bus

Direction register

Port latch

Pull-up control

A-D conversion input

Analog input pin selection bit

(15) Port P70

Data bus

Direction register

Port latch

Port XC switch bit + Pull-up control

Port XC switch bit

Oscillation circuit

Port P71

Port XC switch bit

(16) Port P71

Data bus

Direction register

Port latch

Port XC switch bit

Port XC switch bit + Pull-up control

Sub-clock generating circuit input

VL3

VL2

VL1

(17) COM0–COM3

(18) SEG0–SEG11

The gate input signal of each transistor is

controlled by the LCD duty ratio and the

bias value.

The voltage applied to the sources of

P-channel and N-channel transistors

is the controlled voltage by the bias

value.

3822 Datasheet(PDF) 18 Page - Renesas Technology Corp

3822 Datasheet(HTML) 18 Page - Renesas Technology Corp

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