PIC17C75X Datasheet, PDF (13/320 Pages) Microchip Technology – High-Performance 8-Bit CMOS EPROM Microcontrollers

PIC17C75X
TABLE 3-1: PINOUT DESCRIPTIONS
Name
DIP
No.
PLCC
No.
TQFP
No.
I/O/P
Type
Buffer
Type
Description
PORTG is a bi-directional I/O Port.
RG0/AN3
32 34 24 I/O ST
RG0 can also be analog input 3.
RG1/AN2
31 33 23 I/O ST
RG1 can also be analog input 2.
RG2/AN1/VREF- 30 32 22 I/O ST
RG2 can also be analog input 1, or
the ground reference voltage
RG3/AN0/VREF+ 29 31 21 I/O ST
RG3 can also be analog input 0, or
the positive reference voltage
RG4/CAP3
35 38 27 I/O ST
RG4 can also be the Capture3 input pin.
RG5/PWM3
36 39 28 I/O ST
RG5 can also be the PWM3 output pin.
RG6/RX2/DT2
38 41 30 I/O ST
RG6 can also be selected as the USART2 (SCI) Asyn-
chronous Receive or USART2 (SCI) Synchronous
Data.
RG7/TX2/CK2
37 40 29 I/O ST
RG7 can also be selected as the USART2 (SCI) Asyn-
chronous Transmit or USART2 (SCI) Synchronous
Clock.
TEST
16 17
8
I ST Test mode selection control input. Always tie to VSS for nor-
mal operation.
VSS
17, 19, 9, 25, P
Ground reference for logic and I/O pins.
33, 36,53, 41, 56
49, 68
64
VDD
1, 2, 20, 10, P
Positive supply for logic and I/O pins.
18, 37, 26,
34, 49, 38, 57
46
AVSS
28 30 20 P
Ground reference for A/D converter.
This pin MUST be at the same potential as VSS.
AVDD
27 29 19 P
Positive supply for A/D converter.
This pin MUST be at the same potential as VDD.
NC
- 1, 18, -
35, 52
No Connect. Leave these pins unconnected.
Legend: I = Input only; O = Output only; I/O = Input/Output; P = Power; — = Not Used; TTL = TTL input;
ST = Schmitt Trigger input.
†
The output is only available by the Peripheral operation.
© 1997 Microchip Technology Inc.
Preliminary
DS30264A-page 13