GainSpan GS2011M Datasheet page 17

GS2011M Low Power WiFi Module Data Sheet
GS2011M-DS-001211, Release 0.9
– Compliant to SDIO v2.0 specification
– Interface clock frequency up to 40 MHz
NOTE: Tested with current test platform up to 33 MHz.
– Data transfer modes: 4-bit, 1-bit SDIO, SPI
– Device mode only
• SPI:
– Two (2) general-purpose SPI interfaces (each configurable independently as
master or slave)
– The SPI pins are muxed with other functions such as GPIO
– 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
– 16450/16550 compatible
– Optional support for flow control using RTS/CTS signaling for high data
transfer rates
– 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:
– Up to 27 configurable general purpose I/O
• Single 3.3V supply option
– I/O supply voltage 1.8 ~ 3.3V option
• Three (3) PWM output
2
• I 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.
– 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.
Confidential
GS2011M Module Product Features
Preliminary
GS2011M Overview
17