SN6B400 datasheet(3/13 Pages) SONIX

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SN6B000

Hi-Density LCD Driver with 8-bit Controller

December 20, 2000

PIN ASSIGNMENT

SN6B000

Pin Name

I/O

Descriptions

Internal

Pull-low

C0~C31

O Common 0 ~ 31

VLC1, VLC4,

VLC5

LCD Bias

VLCDR

LCD Bias

P/C

Micro-processor/Micro-controller

√

A0~A19

O Address Bus for ROM

D0~D7

I/O Data Bus for ROM

CE1B

O Chip Enable of External ROM.

VO/ BUZ1

O Voice out, 7-bit DA / PWM output

BUZ2

O PWM output

OSC/XIN

High speed Clock input:

CKSEL=L, RC oscillator

CKSEL=H, Crystal

XOUT

O High Speed clock output

CKSEL

High speed clock selection

( 0:2M RC oscillator, 1: Crystal)

√

LXIN

Low speed clock input

LXOUT

O Low speed clock output

P0, P1

I/O I/O Ports

XCE_0

O Chip Enable of SN6BS00 0

XCE_1

O Chip Enable of SN6BS00 1

XCE_2

O Chip Enable of SN6BS00 2

XCE_3

O Chip Enable of SN6BS00 3

XD7~XD0

I/O Data Bus to Slave Driver

XA9~XA0

O Address Bus to Slave Driver

O Read Write signal

FRAME

O Frame Synchronous Signal

O Display Synchronous Signal

O Alternating signal for LCD

SYNC

O Phase 1 synchronous pin.

TEST

Test Pin

√

RESETB

Reset Pin

VDD

Positive power supply

GND

Negative power supply

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