Datasheet

PIC24FJ64GA104 FAMILY
DS39951C-page 18  2010 Microchip Technology Inc.
V
CAP 20 17 7 P — External Filter Capacitor Connection (regulator enabled).
V
DD 13, 28 10, 25 28, 40 P — Positive Supply for Peripheral Digital Logic and I/O Pins.
V
DDCORE 20 17 7 P — Positive Supply for Microcontroller Core Logic (regulator
disabled).
V
REF- 3 28 20 I ANA A/D and Comparator Reference Voltage (low) Input.
V
REF+ 2 27 19 I ANA A/D and Comparator Reference Voltage (high) Input.
V
SS 8, 27 5, 24 29, 39 P — Ground Reference for Logic and I/O Pins.
TABLE 1-2: PIC24FJ64GA104 FAMILY PINOUT DESCRIPTIONS (CONTINUED)
Function
Pin Number
I/O
Input
Buffer
Description
28-Pin
SPDIP/
SOIC/SSOP
28-Pin
QFN
44-Pin
QFN/
TQFP
Legend: TTL = TTL input buffer ST = Schmitt Trigger input buffer
ANA = Analog level input/output I
2
C™ = I
2
C/SMBus input buffer