User's Manual
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LOW POWER WI-FI MODULE
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Table Of Contents
1 Overview
1.1 Document Overview
1.2 Product Overview
2 Architecture
2.1 G1500M Block Diagram
2.2 Block Diagram Description
2.2.1 Overview
2.2.2 Wireless LAN and System Control Subsystem
2.2.3 Network Services Subsystem
2.2.3.1 APP CPU
2.2.4 Memory Subsystem
2.2.4.1 Overview
2.2.5 Clock Circuitries
2.2.5.1 Real Time Clock (RTC)
2.2.5.2 Overview
2.2.5.3 Real Time Counter
2.2.5.4 RTC Outputs
2.2.5.4.1 DC_DC_CNTL
2.2.5.4.2 RTC_OUT1
2.2.5.5 RTC Alarm Inputs 1 and 2
2.3 Peripherals
2.3.1 SPI
2.3.2 I2C
2.3.3 UART
2.3.4 JTAG
2.3.5 GPIO & LED Driver / GPIO
2.3.6 ADC
2.4 System States
3 Pin-out and Signal Description
3.1 GS1500M Device Pin-out Diagram (Module top view)
3.1.1 GS1500M Module Pins Description
4 Electrical Characteristics
4.1 Absolute Maximum Ratings
4.2 Operating Conditions
4.3 Internal 1.8V regulator
4.4 I/O DC Specifications
4.4.1 Digital Input Specifications
4.4.2 Digital Output Specification
4.4.3 I/O Digital Specifications (Tri-State)
4.4.4 RTC Input Specifications (with Schmitt Trigger)
4.4.5 RTC Output Specifications
4.5 Power Consumption (estimated)
4.6 Radio Parameters
4.7 ADC Parameters
4.8 SPI Interface Timing
4.8.1 Motorola SPI, clock polarity SPO = 0, clock phase SPH = 0
4.8.2 Motorola SPI, clock polarity SPO = 0, clock phase SPH = 1
4.8.3 Motorola SPI, clock polarity SPO = 1, clock phase SPH = 0
4.8.4 Motorola SPI, clock polarity SPO = 1, clock phase SPH = 1
4.9 Electrostatic discharge (ESD)
5 Package and Layout Guidelines
5.1 GS1500M Recommended PCB Footprint and Dimensions
6 Ordering Information
7 Regulatory Notes
8 Limitations
9 References
GS1500M
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6
Ordering
Informa
tion
DEVICE DESCRIPTION
ORDERING NUM
BER
Rev
Low power module
usi
ng PCB antenna
GS1500
M
Rev X.X
1
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