8 www.ubicom.com IP2022 Data Sheet 2.3 Signal Descriptions I = Digital Input, AI = Analog Input, O/DO = Digital Output, HiZ = High Impedance, P = Power, PLP = On-Chip Pullup,
ST = Schmitt Trigger Table 2-1  Signal Descriptions Name Pin Type    Sink
@ 3.3V
IOVDD Source
@ 3.3V IOVDD Function PQFP µBGA AVDD 70 B6 P Analog Supply AVSS 71 A6 P Analog Ground DVDD  9, 31,
56, 72 D1,D6, E9,G5 P Logic Supply DVSS 10, 32, 55, 73  E1,K5,
E10,D5 P Logic Ground GVDD 65 A8 P I/O Port G supply IOVDD 12, 34, 53 E5,G6, E6 P I/O Supply (except Port G) IOVSS 11, 33, 54 E2,K6, E7 P I/O Ground (all ports) XVDD 76 A4 P PLL Supply XVSS 77 D4 P PLL Ground OSC1 78 B4 I Clock/Crystal/Resonator Input OSC2 79 A3 O Crystal/Resonator Output (tri-state if ext. clock) RST 80 A2 I/ST/ PLP Reset Input RTCLK1 74 A5 I Real-Time Clock/Crystal Input RTCLK2 75 B5 O Real-Time Crystal Output TSS 1 A1 I/ST/ PLP Target SPI Slave Select (used only for in-system pro-
gramming and debug) TSCK 2 C2 I/ST/ PLP Target SPI Clock (used only for in-system program-
ming and debug) TSI 3 B1  I/ST
/PLP Target SPI Serial Data Input (used only for in-system
programming and debug) TSO 4 B2 O/HiZ Target SPI Serial Data output (used only for in-sys-
tem programming and debug) RA0 5 D2 I/O 24 mA 24 mA I/O Port, High Power Output, Timer 1 Capture 1 Input RA1 6 C1 I/O 24 mA 24 mA I/O Port, High Power Output, Timer 1 Capture 2 Input RA2 7 B3 I/O 24 mA 24 mA I/O Port, High Power Output, Timer 1 Clock Input RA3 8 E4 I/O 24 mA 24 mA I/O Port, High Power Output, Timer 1 Output RB0 13 F5 I/O 8 mA 8 mA I/O Port, External Interrupt, Timer 2 Capture 1 Input RB1 14 F1 I/O 8 mA 8 mA I/O Port, External Interrupt, Timer 2 Capture 2 Input