SNL310 datasheet(4/24 Pages) SONIX

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SNL310

16-Bit LCD Controller

3. PIN ASSIGNMENTS

Symbol

Descriptions

No. of PIn

Pin Count

XIN

High speed clock crystal input / RC-type oscillator input

XOUT

High speed clock crystal output / RC-type oscillator input

LXIN

Low speed clock crystal input

LXOUT

Low speed clock crystal output

CKSEL

Crystal/RC-type oscillator select for high speed clock

BP0

PWM output 1

BN0

PWM output 2

DA output

RST

Chip reset

CVDD

Positive power supply for core circuit

VDD

Positive power supply

GND

Negative power supply

TEST

For test only

P2.0~P2.15 General I/O port P2.0~P2.15

P3.0~P3.10 General I/O port P3.0~P3.10

P3.0: INT0 / RxD pin of UART interface

P3.1: INT1 / TxD pin of UART interface

P3.2: INT2

P3.3: IR output

P3.4~P3.5: general I/O

P3.6: LCD serial data output (LSD)

P3.7: LCD serial mode clock out1 (LCO1)

P3.8: LCD serial mode clock out2 (LCO2)

P3.9: LCD frame inversion control

P3.10: COM data synchronize signal / E_R

P3.11~P3.14: chip select pin CS3~CS0

P3.15:address pin A[22] for 16-bit mode of extension

Bus

P4.0~P4.15 General I/O port P4.0~P4.15

Address bus A[0..15] of external device interface

P5.0~P5.15 General I/O port

P5.0~P5.5: address bus A[16..21] of external device interface

P5.6: WRB / RDB of external device interface

P5.7: Enb / RDB of external device interface

P5.8~P5.15: data bus D[0..7] of extension bus

Ver: 1.7

May 2, 2003

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