User's Manual
Table Of Contents
- About This Book
- Chapter 1 Safety1322x Sensor Node Information
- Chapter 2 1322x Sensor Node Module Overview and Description
- Chapter 3 System Overview and Functional Block Descriptions
- Chapter 4 Interface Locations and Pinouts
- 4.1 Overview
- 4.2 Power Management
- 4.3 RF Circuitry
- 4.4 USB Connector (“B” Receptacle)
- 4.5 LEDs, Switch, Buttons and Joystick
- 4.6 Debug/Development Connector (ARM JTAG Interface)
- 4.7 Audio Subsystem Connections
- 4.8 GPIO Connector
- 4.9 FLASH Memory Recovery Jumpers and Erase
- 4.10 ADC Voltage References
- 4.11 Jumper Selection
- Chapter 5 Schematic, Board Layout, and Bill of Material
1322x Sensor Node Reference Manual, Rev. 1.1
Freescale Semiconductor 3-1
Chapter 3
System Overview and Functional Block Descriptions
This section provides an overview of the Sensor Node and block diagrams.
3.1 System Block Diagram
The following is the 1322x Sensor Node system level block diagram.
Figure 3-1. 1322x Sensor Node Block Diagram
24 MHz 32.768
KHz
Audio
Output
DAC
DAC101S101
Earphone
Power
Manage-
ment
DC Adaptor
2xAA Battery
USB Bus Power
VCC
MC13224V/225V
Advanced ZigBee™- Compliant PiP
Ext
Clock
Source
13-26MHz Clk
Clk
Debug
Interface
20-Pin
JTAG
Conn
JTAG
JTAG
Power
Measure-
ments
Audio
Mic Input w/
Amp / LP
Filter
ADC
Mic
SSI
TMR3 - PWM
Audio
Output
Amp / LP
Filter
Audio
Volume
Control
MAX5434
Audio
Amp
NCP4896
Speaker
GPIO
26-Pin
Header
GPIO
User
Apps
USB
Interface
FT232RQ
UART
USB
Conn
GPIO
4 Push Buttons,
Joystick,
Reset Switch,
On/Off Switch
GPIO
4 Red LEDs,
1 Green LED
XYZ
Sensor
MMA7260Q
ADC
Force (g)
Pressure
Sensor
MPX5010G
ADCPressure
(kPa)
Temperature
Sensor
LM61
ADC
Temp (ºC)
PCB F-Antenna