PIC16F946 Datasheet, PDF (106/274 Pages) Microchip Technology – 64-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver and nanoWatt Technology

PIC16F946
FIGURE 9-1:
LCD DRIVER MODULE BLOCK DIAGRAM
Data Bus
LCDDATAx
Registers
24 x 8
(= 4 x 24)
168
to
42
MUX
SEG<42:0>
To I/O Pads⁽¹⁾
Timing Control
LCDCON
LCDPS
LCDSEn
COM<3:0>
To I/O Pads⁽¹⁾
FOSC/8192
T10SC/32
LFINTOSC/32
Clock Source
Select and
Prescaler
Note 1: These signals are connected directly to the I/O pads, but may be tri-stated, depending on the
configuration of the LCD module.
DS41265A-page 104
Preliminary
© 2005 Microchip Technology Inc.