PIN ASSIGNMENT 6
Table 3-1. Pin Descriptions for the 28-pin SSOP
Pin #
Pin Name
I/O
Description
1 VCC3V O Regulated 3V for DP pullup resistor
2 USB_DM I/O USB Downstream port D-
3 USB_DP I/O USB Downstream port D+
4 E2PCLK I/O I2C Eeprom Clock signal
5 E2PDATA I/O I2C Eeprom Data signal
6 GPIO_0 I/O General purpose IO
7 GPIO_1 I/O General purpose IO
8 GPIO_2 I/O General purpose IO
9 GPIO_3 I/O General purpose IO
10 GPIO_6 I/O General purpose IO
11 SCARDDATA I/O Smart_Card Serial Data
12 GPIO_7 I/O General purpose IO
13 GNDK GND
Kernel
Ground
14 VCC5K 5V VCC
Kernel
+5V power supply
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