| 1 |
RXOUT |
Modem Rx Digital Signal Output
|
VL |
| 2 |
DIR |
Direction Output. DIR is asserted high when the data stream is seen at the receiver. |
VL |
| 3 |
VL |
Logic Supply Voltage
|
|
| 4 |
TXIN |
Modem Tx Digital Signal Input
|
VL |
| 5 |
SYNCOUT |
Sync Output. Open-drain output of the 8.704MHz clock to synchronize other devices. |
Pullup |
| 6 |
DGND |
Ground
|
|
| 7 |
SDI |
SPI Bus Serial Data Input
|
VL |
| 8 |
SDO |
SPI Bus Serial Data Output
|
VL |
| 9 |
SCLK |
SPI Bus Serial Clock Input
|
VL |
| 10 |
CSB |
Active-Low, SPI Bus Chip Enable
|
VL |
| 11 |
P3 |
RF MUX Port 3
|
VCC |
| 12 |
P2 |
RF MUX Port 2
|
VCC |
| 13 |
GND |
Ground
|
|
| 14 |
P1 |
RF MUX Port 1
|
VCC |
| 15 |
P0 |
RF MUX Port 0
|
VCC |
| 16 |
VCC |
Analog Supply Voltage
|
|
| 17 |
BIAS |
Output Bias Reference. Decouple BIAS with 1μF to GND. |
VCC |
| 18 |
XTAL1 |
External Crystal Input Terminal. Feed with 8.704MHz (±30ppm) input clock for external synchronization. |
VCC |
| 19 |
XTAL2 |
External Crystal Input Terminal. Connect to GND for external synchronization. |
VCC |
| — |
EP |
Exposed Pad. Must be left open or connected to GND. |
|
