GS2011M Low Power WiFi Module Data Sheet
GS2011M Overview
GS2011M Module Product Features
GS2011M-DS-001211, Release 0.9
Confidential Preliminary
17
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Compliant to SDIO v2.0 specification
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Interface clock frequency up to 40 MHz
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Data transfer modes: 4-bit, 1-bit SDIO, SPI
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Device mode only
•
SPI:
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Two (2) general-purpose SPI interfaces (each configurable independently as
master or slave)
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The SPI pins are muxed with other functions such as GPIO
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Supports clock rates of up to 30 MHz (master mode) and up to 10 MHz (slave
mode)
–
Protocols supported include: Motorola SPI, TI Synchronous Serial Protocol
(SSP) and National Semiconductor Microwire
–
Supports SPI mode 0 thru 3 (software configurable)
•
UART:
–
Two (2) multi-purpose UART interfaces operating in full-duplex mode
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16450/16550 compatible
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Optional support for flow control using RTS/CTS signaling for high data
transfer rates
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Standard baud rate from 9600 bps up to 921.6 kbps (additional support for
higher non-standard rates using baud rates up to 7.5 MHz
•
GPIOs:
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Up to 27 configurable general purpose I/O
•
Single 3.3V supply option
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I/O supply voltage 1.8 ~ 3.3V option
•
Three (3) PWM output
•
I
2
C master/slave interface
•
Two 12-bit ADC channels, sample rate from 10 kS/s to 2 MS/s
•
Three (3) RTC I/O that can be configured as:
–
Up to three alarm inputs to asynchronously awaken the chip.
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Support of up to two control outputs for power supply and sensors.
•
Embedded RTC (Real Time Clock) can run directly from battery.
•
Power supply monitoring capability.
NOTE:
Tested with current test platform up to 33 MHz.
