Phytec phyCORE-PXA255, Hardware Manual

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GPIO Expansion

PHYTEC Meßtechnik GmbH 2004 L-657e_0
75
Pin Number Signal I/O Comments
Pin row X17C
46C MMC_CS_0 O MMC_C0 for internal MMC card
Alternative: GPIO 9
48C, 49C,
50C,
51C,
53C
GPIO4, GPIO7
GPIO10,
GPIO12,
GPIO21
I/O GPIOs
Alternative: interrupt signals
54C,
55C,
56C,
58C,
59C,
60C,
61C,
63C,
64C,
65C,
66C,
68C,
69C,
70C,
71C
EGPIO0,
EGPIO1,
EGPIO3,
EGPIO6,
EGPIO8,
EGPIO9,
EGPIO11,
EGPIO14,
EGPIO16,
EGPIO17
EGPIO18,
EGPIO22,
EGPIO24
EGPIO25,
EGPIO27
I/O Additional GPIOs generated by the
MAX7301 IC
73C SSP_RXD I SPI RxD signal
74C SSP_TXD O SPI TxD signal
75C /CS_EGPIO I SSP /CS1 signal for MAX7301 ( EGPIO )
76C /CAN_CS I NSSP /CS2 signal for MCP2515 ( CAN )
78C /CAN_INT O CAN Interrupt
79C CANRXD I/O CAN RxD signal
80C CANTXD I/O CAN TxD signal
Pin row X17D
1D, 2D VCC I Supply v3.3 VDC
3D, 9D, 14D,
19D, 24D, 29D,
34D, 39D, 44D,
49D, 54D, 59D,
64D, 69D, 74D,
79D
GND - Ground 0 V
4D, 5D VCC1 I Optional external supply voltage VCORE
for processor, 3-5.0 V
6D OTG_VBUS IO USB Controller VBUS signal
7D /H_PSW1 O USB Controller Power Switch 1 signal
8D /H_PSW2 O USB Controller Power Switch 1 signal
10D /RESET O Reset output from reset controller
11D /BATT_FAULT I Low battery voltage indication