PIC16F914T-E/SP View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC16F914T-E/SP

28/40/44/64-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver and nanoWatt Technology

Microchip Technology 

PIC16F913/914/916/917/946

3.2.1

PIN DESCRIPTIONS AND

DIAGRAMS

Each PORTA pin is multiplexed with other functions. The

pins and their combined functions are briefly described

here. For specific information about individual functions,

refer to the appropriate section in this data sheet.

3.2.1.1 RA0/AN0/C1-/SEG12

Figure 3-1 shows the diagram for this pin. The RA0 pin

is configurable to function as one of the following:

• a general purpose I/O

• an analog input for the ADC

• an analog input for Comparator C1

• an analog output for the LCD

FIGURE 3-1:

BLOCK DIAGRAM OF RA0

Data Bus

WR PORTA

WR TRISA

D

Q

CK Q

Data Latch

D

Q

CK Q

TRIS Latch

RD TRISA

VDD

I/O Pin

VSS

Analog Input or

SE12 and LCDEN

SE12 and LCDEN

TTL

Input Buffer

RD PORTA

SEG12

SE12 and LCDEN

To A/D Converter and Comparator

© 2007 Microchip Technology Inc.

DS41250F-page 45

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