PIC16C923T-08I/SP View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC16C923T-08I/SP

8-Bit CMOS Microcontroller with LCD Driver

Microchip Technology 

PIC16C9XX

FIGURE 13-2: LCD MODULE BLOCK DIAGRAM

Data Bus

LCD

RAM

32 x 4

128

to

32

MUX

SEG<31:0>

TO I/O PADS

Timing Control

LCDCON

LCDPS

LCDSE

COM3:COM0

TO I/O PADS

Internal RC osc

T1CKI

Fosc/4

Clock

Source

Select

and

Divide

FIGURE 13-3: LCDPS REGISTER (ADDRESS 10Eh)

U-0 U-0 U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0

—

—

—

—

LP3 LP2 LP1 LP0

bit7

bit0

bit 7-4: Unimplemented, read as '0'

bit 3-0: LP3:LP0: Frame Clock Prescale Selection bits

R =Readable bit

W =Writable bit

U =Unimplemented bit, Read as ‘0’

-n =Value at POR reset

LMUX1:LMUX0

00

01

10

11

Multiplex

Static

1/2

1/3

1/4

Frame Frequency =

Clock source / (128 * (LP3:LP0 + 1))

Clock source / (128 * (LP3:LP0 + 1))

Clock source / (96 * (LP3:LP0 + 1))

Clock source / (128 * (LP3:LP0 + 1))

DS30444E - page 90

© 1997 Microchip Technology Inc.

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