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Section 1 Overview
Rev. 4.00 Sep. 14, 2005 Page 9 of 982
REJ09B0023-0400
1.4 Pin functions
Table 1.2 summarizes the pin functions.
Table 1.2 Pin functions
No.
(BGA256) Pin Name Description
B2 D7 Data bus
C2 D6 Data bus
D2 D5 Data bus
B1 D4 Data bus
E2 D3 Data bus
E3 D2 Data bus
C1 VssQ Ground for I/O circuits (0V)
D3 D1 Data bus
D1 VccQ Power supply for I/O circuits (3.3V)
E4 D0 Data bus
F2 CS3/PTA[3] Chip select 3/Port A
F3 Vss Ground (0V)
E1 CS2/PTA[2] Chip select 2/Port A
F4 Vcc Power supply (1.8V)
G2 UCLK/PTB[0] USB external input clock/Port B
G3 VBUS/PTB[1] USB power detection/Port B
F1 SUSPND/PTB[2] USB suspend/Port B
G4 XVDATA/PTB[3] Receive data input from USB differential receiver/Port B
H2 TXENL/PTB[4] USB output enable/Port B
H3 VccQ Power supply for I/O circuits (3.3V)*
3
G1 DP D+
H1 DM D-
H4 VssQ Power supply for US I/O circuits (0V)*
3
J3 TXDMNS/PTB[5] D- Transmit output for USB transceiver/Port B
J2 TXDPLS/PTB[6] D+ Transmit output for USB transceiver/Port B
J4 DMNS/PTB[7] USB D- input from Receiver/Port B