Phytec phyCORE-PXA270, Hardware Manual

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GPIO Expansion Interface
©
PHYTEC Meßtechnik GmbH 2006 L-668e_1
81
Pin Number Signal I/O Comments
Pin Row X17C
44C nc No connect
45C MMC_DAT2_CS0 O MMC_C0 for external MMC card
Alternative: GPIO 110
46C MMC_DAT3_CS1 O MMC_C1 for internal MMC card
Alternative: GPIO 111
48C, 49C,
50C, 51C,
53C
GPIO114, GPIO9
GPIO10, GPIO12,
GPIO90
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
Alternative: GPIO 26
74C SSP_TXD O SPI TxD signal
Alternative: GPIO 25
75C /CS_EGPIO I SSP /CS1 signal for MAX7301 ( EGPIO )
76C /CAN_CS I /CS signal for SJA1000 ( 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 P 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 P Optional external supply voltage VCORE for
processor, 3 - 5.0 V
6D VCC_BB P VCC Baseband
7D USB_H_ENA O USB Controller Power Switch signal
8D SYS_ENAB O System Power Switch signal
10D /RESET O Reset output from reset controller
11D /BATT_FAULT I Low battery voltage indication