Datasheet

Table 31-2. Signals by Pin Number (continued)
DescriptionBuffer TypePin TypePin NamePin Number
GPIO port B bit 0.TTLI/OPB0
A16
CAN module 1 receive.TTLICAN1Rx
I
2
C module 5 clock. Note that this signal has an active pull-up. The
corresponding port pin should not be configured as open drain.
ODI/OI2C5SCL
16/32-Bit Timer 4 Capture/Compare/PWM 0.TTLI/OT4CCP0
UART module 1 receive.TTLIU1Rx
This signal senses the state of the USB ID signal. The USB PHY
enables an integrated pull-up, and an external element (USB
connector) indicates the initial state of the USB controller (pulled
down is the A side of the cable and pulled up is the B side).
AnalogIUSB0ID
GPIO port B bit 2.TTLI/OPB2
A17
Ethernet 0 Management Data Clock.TTLOEN0MDC
EPI module 0 signal 27.TTLI/OEPI0S27
I
2
C module 0 clock. Note that this signal has an active pull-up. The
corresponding port pin should not be configured as open drain.
ODI/OI2C0SCL
16/32-Bit Timer 5 Capture/Compare/PWM 0.TTLI/OT5CCP0
Asserted by the USB controller to signal the end of a USB transmit
packet or register write operation.
TTLOUSB0STP
Ground reference for logic and I/O pins.Power-GND
A18
Ground reference for logic and I/O pins.Power-GND
A19
Ground reference for logic and I/O pins.Power-GND
B1
GPIO port D bit 7.TTLI/OPD7
B2
Analog-to-digital converter input 4.AnalogIAIN4
Non-maskable interrupt.TTLINMI
SSI Module 2 Bi-directional Data Pin 2.TTLI/OSSI2XDAT2
16/32-Bit Timer 4 Capture/Compare/PWM 1.TTLI/OT4CCP1
UART module 2 Clear To Send modem flow control input signal.TTLIU2CTS
Optionally used in Host mode by an external power source to
indicate an error state by that power source.
TTLIUSB0PFLT
GPIO port D bit 6.TTLI/OPD6
B3
Analog-to-digital converter input 5.AnalogIAIN5
SSI Module 2 Bi-directional Data Pin 3.TTLI/OSSI2XDAT3
16/32-Bit Timer 4 Capture/Compare/PWM 0.TTLI/OT4CCP0
UART module 2 Request to Send modem flow control output line.TTLOU2RTS
Optionally used in Host mode to control an external power source
to supply power to the USB bus.
TTLOUSB0EPEN
GPIO port D bit 5.TTLI/OPD5
B4
Analog-to-digital converter input 6.AnalogIAIN6
SSI Module 1 Bi-directional Data Pin 3.TTLI/OSSI1XDAT3
16/32-Bit Timer 3 Capture/Compare/PWM 1.TTLI/OT3CCP1
UART module 2 transmit.TTLOU2Tx
December 13, 20132036
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Signal Tables