Phytec phyCORE-PXA270, Hardware Manual

Page: 77 / 114

Expansion Board
©
PHYTEC Meßtechnik GmbH 2006 L-668e_1
69
Connector X31 contains the signals for controlling the CF card, the
LEDs, push buttons, USB OTG and MMC. The 3.3 V supply voltage
is routed to the Expansion Board at pins 1 and 2.
Signal X31 Signal
VCC 1 2 VCC
GND
3 4
GND
/CF_IORD 5 6 /CF_CD1
/CF_IOWR 7 8 /CF_CD2
CF_IRQ 9 10 /CF_RDY
/CF_RESET 11 12 /CF_IOIS16
GND
13 14
GND
OTG_ID 15 16 /CF_BVD1
OTG_DP1 17 18 /CF_BVD2
OTG_DM1 19 20 /CF_LED
OTG_VCC
21 22
/CF_VS1
GND
23 24
GND
/CF_VS2 25 26 /CF_INPACK
/RESIN 27 28 /OTG_LED
/SW_ON 29 30 AUDIO_P
/LED_USR
31 32
AUDIO_N
GND 33 34 GND
/LED_PWR 35 36 MMC_WP2
/MMC_LED 37 38 MMC_CS1
MMCDET2
39 40
MMC_CLK
MMCDAT
41 42
MMC_CMD
GND 43 44 GND
Table 51: Expansion Board Connector X31 Pinout