Freescale Semiconductor i.MX27 PDK 1.0 - Manual (Page 40)

i.MX27 PDK 1.0 Hardware User's Guide, Rev. 1.0 Freescale Semiconductor 5-8
Signal Pin Description
CSPI1_RDY C29 CSPI1 signal ready
LCD_DRDY0 C30 LCD DRDY/VLD
LCD_SER_RS_DEN C32 Asynch.Serial Port data/comm, used for
GPIO
LCD_SD_CLK C33 Serial Display clock
LCD_LCS0 C34 Asynch. Port chip select
LCD_VSYNC0 C35 LCD frame sync
LCD_PAR_RS C36 Asynch. Parallel Port data/comm
CURRENT_MEAS_1 D1 Current Measure 1 (SW1 in CPU board)
CURRENT_MEAS_2 D2 Current Measure 2 (SW2A in CPU board)
CURRENT_MEAS_3 D4 Current Measure 3 (VMAIN in CPU board)
CURRENT_MEAS_4 D5 Current Measure 4
CURRENT_MEAS_5 D7 Current Measure 5
CURRENT_MEAS_6 D8 Current Measure 6 (EXT_1V8 in Personality
board)
CURRENT_MEAS_7 D10 Current Measure 7 (HDD_3V3 in
Personality board)
CURRENT_MEAS_8 D11 Current Measure 8 (DC power supply in
Personality board)
CURRENT_MEAS_9 D12 Current Measure 9 (battery power supply in
Personality board)
CURRENT_MEAS_10 D13 Current Measure 10
PWR_EN D14 Power enable, from MC13783 GPO
WI-FI_PWEN D15 Wi-Fi Power enable
VDD_USB_IO D16 USB IO power supply
USB_HS_OC D17 USB Host over current
USB-HS_RESET_B D18 USB Host reset signal
HDD_PWR_EN D19 HDD power enable
HDD_DMARQ D20 HDD DMA signal request
HDD_DIOW D21 HDD IO signal read
HDD_DIOR D22 HDD IO signal write
HDD_IORDY D23 HDD IO signal ready
HDD_DMACK D24 HDD DMA signal accept
HDD_INTRQ D25 HDD Interrupt signal request
HDD_DA1 D26 HDD register address 1
HDD_DA0 D27 HDD register address 0
HDD_CS0 D28 HDD Command Block Registers selection
HDD_DA2 D29 HDD register address 2