Freescale Semiconductor i.MX27 PDK 1.0 - Manual (Page 32)

Freescale Semiconductor i.MX27 PDK 1.0 Hardware User's Guide, Rev. 1.0 4-7
4.4 i.MX27 GPIO Grouping
Table 4-3 BPIO Grouping Descriptions
Pin Name Description Note
PC30 To ATLAS User off signal
PC28 Debug board Interrupt Active low
PB29 ATLAS Low battery indicator signal or end of
life indicator signal
PB27 ATLAS Regulator Enable
PB25
SD card buffer Enable Active High
PB26 SD card Detection Active Low
PC31 USB OTG Reset Active Low
PB22 GPS and USB Host Reset Active Low
PD26 DC Power plug detect Active High
PB28 WiFi and Bluetooth reset Active Low
PC29 Headphone plug detect Active Low
PA0 GPS module power enable Active High
PA1 FM clock enable Active High
PD20 CMOS and FM reset Active Low
PB30 GPIO_RFU Active Low
PA2 Accelerometer Interrupt2 Active Low
PA4 GPS interrupt Active Low
PD19 Camera sensor power down Active high
PA31 TV out chip data enable Active high
PA3 TV out and LCD reset Active low
PA31 LCD Data Enable signal Active low