IP2022 User’s Manual—Pin Assignments www.ubicom.com 379 RTCLK2 75 O Real-Time Crystal Output TSCK 2 I/ST/PLP Target SPI Clock TSI 3 I/ST/PLP Target SPI Serial Data Input TSO 4 O/HiZ Target SPI Serial Data output TSS 1 I/ST/PLP Target SPI Slave Select RA0 5 I/O 24 mA 24 mA I/O Port, High Power Output,
Timer 1 Capture 1 Input RA1 6 I/O 24 mA 24 mA I/O Port, High Power Output,
Timer 1 Capture 2 Input RA2 7 I/O 24 mA 24 mA I/O Port, High Power Output,
Timer 1 Clock Input RA3 8 I/O 24 mA 24 mA I/O Port, High Power Output,
Timer 1 Output RB0 13 I/O 8 mA 8 mA I/O Port, External Interrupt,
Timer 2 Capture 1 Input RB1 14 I/O 8 mA 8 mA I/O Port, External Interrupt,
Timer 2 Capture 2 Input RB2 15 I/O 8 mA 8 mA I/O Port, External Interrupt,
Timer 2 Clock Input RB3 16 I/O 8 mA 8 mA I/O Port, External Interrupt,
Timer 2 Output RB4 17 I/O 8 mA 8 mA I/O Port, External Interrupt Table B-1  Signal Descriptions (continued) Name Pin Type    Sink
@ 3.3V
IOVDD Source
@ 3.3V IOVDD Description