Pin
Description
©
PHYTEC Messtechnik GmbH 2010 L-750e_1
19
26A X_USBPHY1_VBUS I 5V
USB VBUS Voltage
27A X_USBPHY1_DM
I/O USB
USB transceiver cable interface, D-
28A X_USBPHY1_DP
I/O USB
USB transceiver cable interface, D+
29A X_USBPHY1_UID
I
USB on the go transceiver cable ID
resistor connection
30A GND
- 0 Ground
0V
31A X_SD1_DATA0
I/O VDD_3V3
SD/MMC Data line both in 1-bit and 4-bit
mode
32A X_SD1_DATA2
I/O VDD_3V3
SD/MMC Data line both in 1-bit and 4-bit
mode
33A X_SD1_CLK
O VDD_3V3
SD/MMC Clock for MMC/SD/SDIO
34A GND
- - Ground
0V
35A X_CSPI1_SS0
O VDD_3V3
SPI 1 Chip select 0
36A X_CSPI1_SPI_RDY
O VDD_3V3
SPI 1 SPI data ready in Master mode
37A X_CSPI1_SCLK
O VDD_3V3
SPI 1 clock
38A GND
- - Ground
0V
39A X_UART1_TXD
O VDD_3V3
Serial transmit signal UART 1
40A X_UART1_RTS
O VDD_3V3
Request to send UART 1
41A GND
- - Ground
0V
42A X_AC97_INT
I/O VDD_3V3 AC97
Interrupt
Input
43A X_STXD4
O VDD_3V3
AC97 Transmit Output
44A X_SRXD4
I VDD_3V3 AC97
Receive
Input
45A GND
- - Ground
0V
46A X_GPIO1_1
I/O VDD_3V3
GPIO0 (µC port GPIO1_1 at L16)
47A X_GPIO2_7
I/O VDD_3V3
GPIO2 (µC port GPIO2_7 at T7)
48A X_WKUP
I VDD_3V3
Wakeup Interrupt Input (µC port
GPIO3_0 at R4; PMIC port 'Power On 2')
49A GND
- - Ground
0V
50A X_BOOT0
I VDD_3V3 Boot-Mode
Input
0