
L306 Hardware Design
Copyright © Shanghai Mobiletek Communication Ltd 3
CONTENT
1. Introduction ...................................................................................................................................... 5
1.1 Hardware Diagram ......................................................................................................................... 5
1.2 Main features ................................................................................................................................. 5
1.3 Specifications................................................................................................................................. 6
1.4 Interfaces ....................................................................................................................................... 7
2. Package Information ........................................................................................................................ 8
2.1 Pin Configuration ........................................................................................................................... 8
2.2 Pin definition .................................................................................................................................. 9
2.3 Package Information .................................................................................................................... 13
2.3.1 Dimensions ........................................................................................................................... 13
2.3.2 Product labeling..................................................................................................................... 14
2.3.3 Module size........................................................................................................................... 16
2.3.4 Recommend Pad................................................................................................................... 18
3. Interface Circuit Design .................................................................................................................. 20
3.1 Power Section.............................................................................................................................. 20
3.1.1 Power Supply ........................................................................................................................ 20
3.1.2 Power pin description ............................................................................................................ 21
3.1.3 Hardware Power On/Off......................................................................................................... 21
3.1.4 Hardware reset...................................................................................................................... 22
3.2 USIM Interface............................................................................................................................. 23
3.2.1 Pin Description ...................................................................................................................... 23
3.2.2 USIM application ................................................................................................................... 23
3.3 USB Interface .............................................................................................................................. 24
3.4 PCM Interface .............................................................................................................................. 25
3.5 IIC Interface ................................................................................................................................. 26
3.6 UART Interface ............................................................................................................................ 27
3.6.1 Pin Description ...................................................................................................................... 27
3.6.2 UART application................................................................................................................... 28
3.7 Interactive Application Interface.................................................................................................... 29
3.8 LED Interface............................................................................................................................... 29
3.8.1 LED Control circuit................................................................................................................. 29
3.8.2 LED State description............................................................................................................ 30
4. Electrical characteristics ................................................................................................................. 32
4.1 Electrical characteristics............................................................................................................... 32
4.2 Temperature characteristic ........................................................................................................... 32
4.3 Absolute Maximum Power ............................................................................................................ 33
4.4 Recommended operating conditions ............................................................................................ 33
4.5 Power consumption...................................................................................................................... 33
4.6 Power Sequence.......................................................................................................................... 35