User Manual

1 PURPOSE
This document describes the hardware design specifications of the Wireless abgn + Bluetooth option board for the
Phoenix program.
1.1 System Block Diagram
1.2 Interfaces
1.2.1 Connector to Main Board
Through a 30pin connector, right angle, 2mm pitch
Input/Output direction is referenced from the view of the option board:
• Input: from the MLB to the option board
• Output: from option board to MLB
Pin #
Description
I/O
Pin #
Description
I/O
1
5V
2
5V
3
GND
4
GND
5
GND
6
SD_CMD
IO
7
GND
8
SD_D0
IO
9
GND
10
SD_D1
IO
11
GND
12
SD_D2
IO
13
GND
14
SD_D3
IO
15
GND
16
SD_CLK
I
17
GND
18
GND
19
WIFI_PWR
I
20
BT_PWR
I
21
WLAN_IRQ
O
22
BT_RX
I
23
SCL
I
24
BT_TX
O