PIC32MX440F256H-80I Datasheet, PDF (303/646 Pages) Microchip Technology – 64/100-Pin General Purpose and USB 32-Bit Flash Microcontrollers

PIC32MX3XX/4XX
11.19 I/O Pins
Table 11-6 summarizes the use of pins relating to the
USB module.
TABLE 11-6: PINS ASSOCIATED WITH THE USB MODULE
Mode
Pin Name
Module
Control
Controlling
Bit Field⁽¹⁾
Required
TRIS Bit
Setting
Pin
Type
Description
Embedded
Host
Device
OTG
USB
Disabled
Legend:
D+
USBEN
—
—
U Data line +
D-
VBUS
USBEN
USBEN
VBUSON
VUSB
ID
D+
D-
VBUS
USBEN
—
USBEN
USBEN
USBEN
USBEN
VBUSON
VUSB
ID
D+
D-
VBUS
—
—
—
USBEN
USBEN
USBEN
VBUSON USBEN
VUSB
ID
D+
—
USBEN
USBEN
—
—
VBUSON
—
—
—
—
—
—
—
—
—
—
VBUSCHG,
VBUSDIS
VBUSCHG,
VBUSDIS
VBUSON
—
—
—
—
U Data line -
—
P Input for USB power, connects to
OTG comparators
—
D, O _{Output to control supply for VBUS}⁽²⁾
—
P Power in for USB transceiver
—
R Reserved
—
U Data line +
—
U Data line -
—
P Input for USB power, connects to
OTG comparators
—
R _Reserved⁽²⁾
—
P Power in for USB transceiver
—
R Reserved
—
U Data line +
—
U Data line -
—
A, I/O, Analog input for USB power,
P connects to OTG comparators
—
D, O _{Output to control supply for VBUS}⁽²⁾
—
P Power in for USB transceiver
—
D, I OTG mode host/device select input
1
D, I General purpose digital input
D-
USBEN
VBUS
USBEN
VBUSON USBEN
VBUSON USBEN
VUSB
USBEN
ID
USBEN
I = Input
U = USB
—
—
—
—
—
—
O = Output
P = Power
1
D, I
—
R
0
D, O
1
D, I
—
R
1
D, I
A = Analog
R = Reserved
General purpose digital input
Reserved
General purpose digital input
General purpose digital output
Reserved
General purpose digital input
D = Digital
Note 1:
2:
All pins are subject to the device pin priority control. See the specific device data sheet for further
information.
When USB is enabled, this pin is controlled by the USB module and therefore is not available as a
comparator input.
© 2008 Microchip Technology Inc.
Preliminary
DS61143E-page 301