Cavli Wireless C100QM - Page 4

Cavli Wireless C100QM/C10QM Hardware Manual
4
3.5 USB interface 38
3.6 UART interface 39
3.6.1 Main serial port 39
3.6.2 Debug serial port 42
3.6.3 RI and DTR interface 42
3.7 USIM interface 43
3.7.1 USIM card reference circuit 45
3.7.2 UIM_DET Hot Swap Reference Design 46
3.8 General purpose GPIO interface 47
3.9 Network status indication interface 49
3.10 Module status indication 50
3.11 PCM digital voice interface 50
3.12 I2C bus 53
3.13 SDIO interface 54
3.14 SPI interface / multiplexed I2S interface 60
3.15 MCLK interface 62
3.16 ADC interface 63
3.17 RF interface 63
3.17.1 Main set antenna interface 64
3.17.2 Diversity antenna interface 65
3.17.3 GNSS interface 65
3.17.4 RF trace reference 68
3.17.5 RF connector size 69