User Manual

MTI RFID RU-859 Module Quick Guide PAGE: 9
DATE: Feb. 14 2008
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z Pin Explanation
Signal Name Pin Number Type Function Description
Consumer
5V 27,28,29,30 Power Voltage Regulator Power Supply Input
GND 16,18,20,25,26 Ground Ground
RESET_N 11 Input Module Reset
USB_DM 1 Analog USB Device Port Data -
USB_DP 2 Analog USB Device Port Data +
SAMBA_VBUS_DET 21 Input Detect USB Host Connection
N_USB_DP_PUP 24 Output USB Data + Pull Up
SER_TX 13 Output UART Serial Transmit Data
SET_RX 14 Input UART Serial Receive Data
READY 15 Output UART Serial Request To Send
WAKE 17 Input UART Serial Clear To Send
DBG_TX 7 Output UART Debug Transmit Data
DBG_RX 8 Input UART Debug Receive Data
GPIO_1 12 I/O General Purpose Input/Output
GPIO_2 10 I/O General Purpose Input/Output
GPIO_3 9 I/O General Purpose Input/Output
Engineering (optional)
TMS 3 Input JTAG Test Mode Select
TCK 4 Input JTAG Test Clock
TDO 5 Output JTAG Test Data Output
TDI 6 Input JTAG Test Data Input
ERASE_ALL_FLASH 19 Input Flash and NVM Configuration Bits Erase Command
COPY_SAMBA_ROM 22 Input Recover SAM-BA Boot from ROM memory
SAMBA_PUP 23 Input SAM-BA Pull Up
Figure 4 Pin Assignment Explanations