FlexRadio Systems FLEX-1500, Service Manual

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TP7 TP3 TP2 GND
CLK CS DATA GND
NOTE: Jumper SCA to GND to remove EEPROM from address space
to force radio to enumerate as TI-DFU device.
PORT AND CONNECTOR DEFINITIONS
1.) N.C.
2.) N.C.
3.) Mike Bias (+5V)
4.) Mike Ground
5.) Mike In
6.) Mike PTT In
7.) Ground
8.) N.C.
Mike Connector Assignments
1.) Ground
2.) LINE INPUT
3.) PTT OUT (New, was GND)
4.) PTT IN (New, was interrupt)
5.) Ground
6.) I2C-SCL
7.) I2C-SDA
8.) +13.8 Volts Out
9.) LINE OUT
FlexWire Assignments
SPI (DDS) BRIDGE ASSIGNMENTS
1.) USB / CPU - I2C MASTER ONLY
2.) CODEC - 0011 0000
3.) EEPROM - 1010 0000
4.) I2C MUX - 1110 0000
5.) EXPANDER 0 - 0100 0000
6.) EXPANDER 1 - 0100 0010
I2C ADDRESS ASSIGNMENTS
Individual holes for 0.025 in. square pins
1 x 3 pattern on 0.1 in. grid
1 x 4 pattern on 0.1 in. grid
I2C (INTERNAL COMPUTER) BRIDGE ASSIGNMENTS
2.) Ground
1.) SPI5-LOAD
3.) SPI5-CLK
5.) SPI5-DATA
4.) +12V
7.) +5
9.) RF
10.) Ground
8.) +5
Flat Cable Assignments
6.) Ground
GND GND
TP4 SCA
TP8 SCL
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