Datasheet
PIC24FJ64GB004 FAMILY
DS39940D-page 18 2010 Microchip Technology Inc.
V
BUS 15 12 42 P — USB Voltage, Host mode (5V).
VBUSCHG 26 23 15 O — USB External V
BUS Control Output
VBUSON 25 22 14 O — USB OTG External Charge Pump Control.
VBUSST 26 23 15 I ANA USB OTG Internal Charge Pump Feedback Control.
VBUSVLD 2 27 19 I ST USB V
BUS Valid Status Input.
V
CAP 20 17 7 P — External Filter Capacitor Connection (regulator enabled).
V
CPCON 25 22 14 O — USB OTG VBUS PWM/Charge Output.
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).
VMIO 22 19 9 I/O ST USB Differential Minus Input/Output (external transceiver).
VPIO 21 18 8 I/O ST USB Differential Plus Input/Output (external transceiver).
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.
V
USB 23 20 10 P — USB Voltage (3.3V).
TABLE 1-2: PIC24FJ64GB004 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