PIC16F946 Datasheet, PDF (53/274 Pages) Microchip Technology – 64-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver and nanoWatt Technology

PIC16F946
3.4.1.5 RC4/T1G/SDO/SEG11
Figure 3-18 shows the diagram for this pin. The
RC4//T1G/SDO/SEG11pin is configurable to function
as one of the following:
• a general purpose I/O
• a TMR1 gate input
• a serial data output
• an analog output for the LCD
FIGURE 3-18:
BLOCK DIAGRAM OF RC4/T1G/SDO/SEG11
Data Bus
WR PORTC
WR TRISC
PORT/SDO Select
SDO
0
D
Q
1
CK Q
Data Latch
D
Q
CK Q
TRIS Latch
RD TRISC
VDD
RC4/T1G/
SDO/SEG11
Pin
VSS
SE11 and LCDEN
Schmitt
Trigger
Q
D
RD PORTC
EN
Q1
Timer1 Gate
SEG11
SE11 and LCDEN
© 2005 Microchip Technology Inc.
Preliminary
DS41265A-page 51