User Manual

Module Specification
NO. AT357A
TITLE:
Module, ZigBee, 17.9 x 24.9 x 2.75mm, 51 I/O, Edge Castellated, SMD
REVISION DATE: 22 May 2013 ISSUE: O PAGE: 2 of 29
Table of Contents
1.0 Description and Application .......................................................................................... 4
1.1 Description ................................................................................................................ 4
1.2 Application ................................................................................................................. 4
1.3 Module Block Diagram .............................................................................................. 4
2.0 Mechanical Specifications ............................................................................................. 5
2.1 Module Dimensions (mm) ......................................................................................... 5
2.2 Module Footprint ...................................................................................................... 6
2.3 Recommended Main PCB Copper Ground Design .................................................... 7
2.4 Module Mounting Location ....................................................................................... 8
2.5 Module Pin-Out ....................................................................................................... 10
3.0 Electrical Specifications ............................................................................................... 14
3.1 Absolute Maximum Ratings .................................................................................... 14
3.2 Environmental Characteristics ................................................................................ 14
3.3 Operating Conditions .............................................................................................. 14
3.4 DC characteristics .................................................................................................... 14
3.5 RF Characteristics .................................................................................................... 15
3.6 Transmit Power Characteristics ............................................................................... 16
4.0 Application Notes ........................................................................................................ 17
4.1 Pin Assignments....................................................................................................... 17
4.2 Serial Communication ............................................................................................. 18
4.3 Power Supply Design ............................................................................................... 21
4.4 External Flash Memory ............................................................................................ 21
4.5 ADC .......................................................................................................................... 21
4.6 GPIO ports (default setting) .................................................................................... 22
5.0 Assembly Information ................................................................................................. 23
5.1 Lead-Free soldering reflow profile .......................................................................... 23
6.0 Reliability Tests ............................................................................................................ 23
7.0 Packaging Information ................................................................................................. 24
7.1 Tape and Reel specification ..................................................................................... 24
7.2 Component Orientation .......................................................................................... 24