Contents
1 About N720V5 ........................................................................................... 1
1.1 Product Overview ......................................................................................................................... 1
1.2 Block Diagram .............................................................................................................................. 1
1.3 Basic Features ............................................................................................................................. 2
2 Module Pins ............................................................................................... 4
2.1 Pad Layout ................................................................................................................................... 4
2.2 Pin Description ............................................................................................................................. 6
3 Application Interfaces .............................................................................. 11
3.1 Power Interfaces ......................................................................................................................... 11
3.1.1 VBAT ................................................................................................................................... 11
3.1.2 VDDIO_1P8 ....................................................................................................................... 16
3.1.3 VDDIO_3P3 ....................................................................................................................... 16
3.2 Control Interfaces ....................................................................................................................... 17
3.2.1 PWRKEY_N ...................................................................................................................... 17
3.2.2 PWRKEY ........................................................................................................................... 20
3.2.3 RESET_N .......................................................................................................................... 20
3.3 Peripheral Interfaces .................................................................................................................. 22
3.3.1 USB ................................................................................................................................... 22
3.3.2 UART ................................................................................................................................. 23
3.3.3 USIM .................................................................................................................................. 27
3.3.4 *PCM ................................................................................................................................. 29
3.4 RF Interface ................................................................................................................................ 30
3.4.1 ANT_MAIN/ANT_DIV ........................................................................................................ 30
3.4.2 Antenna Assembling .......................................................................................................... 32
3.5 Other Interfaces ......................................................................................................................... 34
3.5.1 ADC ................................................................................................................................... 34
3.5.2 SLEEP ............................................................................................................................... 34
3.5.3 NET_LIGHT ....................................................................................................................... 36
3.5.4 RING .................................................................................................................................. 37
3.5.5 USB_BOOT ....................................................................................................................... 37
4 Electric Features and Reliability .............................................................. 39
4.1 Electric Features ........................................................................................................................ 39
4.2 Temperature Features ................................................................................................................ 39
4.3 ESD Protection ........................................................................................................................... 39
5 RF Features ............................................................................................. 41
5.1 Operating Bands ........................................................................................................................ 41
5.2 TX Power and RX Sensitivity ..................................................................................................... 41
6 Mechanical Features ............................................................................... 43
6.1 Dimensions ................................................................................................................................. 43