TWR-WIFI-RS2101
Contents
1. 7 TWR WIFI RS2101 User s Manual Rev 1 0 Freescale Semiconductor Inc 7 freescale semiconductor Contents 1 inanan aa aara aa aaa sucussuuiesacnensucucensuesansessuasasjanaics toni asaasvananustussspuatvsaesaaneuess 3 2 sii ssccisccscicccnicccsceceatosveadesaaticcsesdusrsesvsc snaasisedoescettanvet verseasicassaaseiedessaticevesteecteerbeaseuece 4 3 Hardware aaaea aae aa Aaaa 4 3 1 RS9110 N 11 21 Module iecccccscssssessssssssessesesssscssssssssesssssssssesesessesssevseseseseesseacsesesssesssvacsesessnssesvseseseseessnavsnseseseessnasensessees 4 3 2 SYS teM N 5 3 3 ACCESS a E To E EE A E E A EEA A EA E A EE E 5 34 Elevator COMM CCU OMS anisini aaa e aA aaa a aa aiaa aia aaa 5 3 5 Mechanical Form Factor cescscssssscscscscscscscsessescscscscsssssscscscscscscssseseseseseseseseesessees Error Bookmark not defined 4 J mper re adan inaani 8 Revision History Revision Date Changes 1 0 July 2010 Initial Release TWR WIFI RS2101 User s Manual Page 2 of 9 77 freescale semiconductor 1 Overview The Redpine Wi Fi Tower Module TWR WIFI RS2101 is a low cost evaluation demonstration and development board that features an 802 11n solution from Redpine Signals The following list2. summarizes the features of the TWR WIFI RS2101 e RS9110 N 11 21 Wi Fi module o Compliant to 802 11b g and single stream 802 11n Supports all Wi Fi client security protocols WEP WPA and WPA2 Reference Design certified for FCC IC CE RoHS compliant Does not require any WLAN driver on the host processor Host interface through SPI Terminates SLIP connections and offers transparent serial modem functionality Integrated antenna frequency reference and low frequency clock Ultra low power operation with power save modes Single supply 3 1 to 3 6V operation A block diagram for the TWR WIFI RS2101 is shown in the figure below Primary Elevator Connector RSTOUT_B POWER_EN 10 pin Header Figure 1 TWR WIFI RS2101 Block Diagram TWR WIFI RS2101 User s Manual Page 3 of 9 2 freescale semiconductor 2 Reference Documents The documents listed below should be referenced for more information on the Freescale Tower system and the TWR WIFI RS2101 Refer to http www freesale com tower for the latest revision of all Tower documentation e TWR WIFI RS2101 User Manual e TWR WIFI RS2101 Quick Start Guide TWR WIFI RS2101 Lab Tutorial RS9110 N 11 21 Product Brief RS9110 N 11 21 Wi Fi Module Abridged Datasheet 3 Hardware Features This section provides more details about the features and functionality of the TWR WIFI RS2101 3 1 RS911
3. 3V Power TWR WIFI RS2101 User s Manual Page 6 of 9 gt 7 freescale semiconductor B37 PWM7 A37 B38 PWM6 A38 PWM2 B39 PWM5 A39 PWM1 B40 PWM4 40 PWMO B41 CANRX A41 RXDO RS_UART_OUT B42 CANTX A42 TXDO RS_UART_IN B43 1WIRE A43 RXD1 B44 SPIO_MISO SPI_DATAOUT TXD1 B45 SPIO_MOSI SPI_DATAIN 45 GPIO B46 SPIO_CSO SPI_CS A46 GPIO B47 SPIO_CS1 47 GPIO B48 SPIO_CLK SPI_CLK X A48 GPIO B49 GND Ground A49 GND Ground B50 SCL1 A50 GPIO B51 SDA1 A51 GPIO B52 GPIO5 A52 GPIO B53 USB_DP_PDOWN A53 GPIO B54 USB_DM_PDOWN A54 USB_DM B55 IRQ_H A55 USB_DP B56 IRQ_G A56 USB_ID B57 IRQ_F A57 USB_VBUS B58 IRQ_E A58 TMR7 B59 IRQ_D A59 TMR6 B60 IRQ_C A60 TMR5 B61 IRQ_B A61 TMR4 B62 IRQ_A SPI_INTR A62 RSTIN_b B63 FB_ALE FB_CS1_b A63 RSTOUT_b RSTOUT_RST RESET B64 FB_CSO_b 64 CLKOUTO B65 GND Ground A65 GND Ground B66 FB_AD15 A66 FB_AD14 B67 FB_AD16 A67 FB_AD13 B68 FB_AD17 A68 FB_AD12 B69 FB_AD18 A69 FB_AD11 B70 FB_AD19 A70 FB_AD10 B71 FB_R W_b A71 FB_AD9 B72 FB_OE_b A72 FB_AD8 B73 FB_D7 A73 FB_AD7 B74 FB_D6 A74 FB_AD6 B75 FB_D5 A75 FB_AD5 B76 FB_D4 A76 FB_AD4 B77 FB_D3 A77 FB_AD3 B78 FB_D2 A78 FB_AD2 B79 FB_D1 A79 FB_AD1 B80 FB_DO A80 FB_ADO B81 GND Ground A81 GND Ground B82 3 3V 3 3V Power 82 3 3V 3 3V Power
4. TWR WIFI RS2101 User s Manual Page 7 of 9 4 27 freescale semiconductor 4 Jumper Table There are several jumpers provided for isolation configuration and feature selection Refer to the following table for details The default installed jumper settings are shown in bold Table 3 TWR WIFI RS2101 Jumper Table Jumper Option Setting Description 12 Connect Tower RSTOUT_B A63 to RS9110 N 11 J3 Reset Selection REET 23 Connect Tower 1 B21 RS9110 N 11 21 RESET_n ON Power to RS9110 N 11 21 module controlled by J5 Connect POWER_EN POWER _EN signal OFF Power to RS9110 N 11 21 is switched off ON RS9110 N 11 21 SPI Interface Selected for communication with Host MCU J15 SPI UART Interface Select RS9110 N 11 21 UART Interface Selected for OFF communication with Host MCU this is not available as a standard feature of the TWR WIFI RS2101 ON Connect the output of the Power Gate to the 3 3V supply for RS9110 N 11 21 module 10 Connect Power Gate output OFF Disconnect the output of the Power Gate to the 3 3V supply for RS9110 N 11 21 module TWR WIFI RS2101 User s Manual Page 8 of 9 2 freescale semiconductor 2 freescale semiconductor Freescale and the Freescale logo are trademarks of Freescale Semiconductor Inc All other product or service names are the property of their respective owners Freescale Semiconductor Inc 200
5. 0 N 11 21 Module The RS9110 N 11 21 module from 5 Connect io n family of products is a complete IEEE 802 11bgn Wi Fi client device with a standard serial or SPI interface to a host processor or data source It integrates a MAC Baseband processor RF transceiver with power amplifier a frequency reference an antenna and all WLAN protocol and configuration functionality in embedded firmware to provide a self contained 802 11n WLAN solution for a variety of applications No WLAN driver functionality is required on the host processor Based on the Redpine Signals RS9110 SoC which includes an embedded processor it is designed to provide standards compliant wireless connectivity to devices and systems that have a serial port and implement a TCP IP stack As a wireless serial modem the RS9110 N 11 21 handles SLIP packets and accepts AT commands for configuration enabling a variety of M2M applications at low cost and small footprint It uniquely provides connectivity in the single stream 802 11n mode preserving overall network throughput in the emerging enterprise environments For the TWR WIFI RS2101 Tower Peripheral Module the RS9110 N 11 21 module communicates with the MCU through an SPI Figure 2 shows a functional block diagram of the RS9110 N 11 21module Refer to the RS9110 N 11 21Wi Fi Module Abridged Datasheet for more information TWR WIFI RS2101 User s Manual Page 4 of 9 2 freescale semiconductor
6. 9 All rights reserved TWR WIFI RS2101 User s Manual Page 9 of 9
7. BT Coexistence I f Freescale MCU SPI UART Selection Applications OS TCP IP RF Es RS9110 WLAN Subsystem RS9110 N 11 21 01 Test Port Figure 2 RS9110 N 11 21 Module Functional Block Diagram 3 2 System Power The RS9110 N 11 21 is powered from a source in an assembled Tower System via the 3 3V supply on the Primary Elevator Connector 3 3 Access Header The SPI and interrupt signals are routed to both the Primary Elevator connector and a 2x5 pin header This Access Header can be used to access the RS9110 N 11 21 module signals for probing or for use outside of the Tower System The pinout is shown in Table 1 Table 1 Access Header Connections RS9110 N 11 21 RS9110 N 11 21 Signal i Signal 3 3V 1 2 GND SPI_CLK 3 4 No Connect 5 6 No Connect SPI_DATAOUT 7 8 SPI_CS SPI_DATAIN 9 10 GND 3 4 Elevator Connections The TWR WIFI RS2101 features two expansion card edge connectors that interface to Elevator boards in a Tower system the Primary and Secondary Elevator connectors The Primary Elevator connector comprised of sides A and B is utilized by the TWR WIFI RS2101 while the Secondary Elevator connector only makes connections to ground GND Table 2 provides the pinout for the Primary TWR WIFI RS2101 User s Manual Page 5 of 9 2 freescale semiconductor Elevator Connector An X in the Used column indicates that
8. there is a connection from the TWR WIFI RS2101 to that pin on the Elevator connector An X the Jmp column indicates that a jumper is available that can configure or isolate the connection from the Elevator connector Table 2 TWR WIFI RS2101 Primary Elevator Connector Pinout TWR WIFI RS2101 Primary Connector Pin Used Jmp B1 5V A1 5V B2 GND Ground A2 GND Ground B3 3 3V 3 3V Power A3 3 3V 3 3V Power B4 ELE_PS_ SENSE A4 3 3V 3 3V Power BS GND Ground AS GND Ground B6 GND Ground GND Ground B7 SPI1_CLK SDHC1_CLK 7 5 B8 SPI1_CS1 SDHC1_CS1 A8 SDAO B9 SPI1_CS0 SDHC1_CSO A9 GPIO9 CTS1 POWER_EN B10 SPI1_MOSI SDHC1_CMD A10 GPIO8 SDHC_D2 B11 SPI1_MISO SDHC1_DO A11 GPIO7 SD_WP_DET B12 ETH_COL 12 ETH_CRS B13 ETH_RXER A13 ETH_MDC B14 ETH_TXCLK 14 B15 ETH_TXEN 15 ETH_RXCLK B16 ETH_TXER A16 ETH_RXDV B17 ETH_TXD3 A17 ETH_RXD3 B18 ETH_TXD2 A18 ETH_RXD2 B19 ETH_TXD1 A19 ETH_RXD1 B20 ETH_TXDO A20 ETH_RXDO B21 GPIO1 GPIO_RST X A21 551 22 2 22 SSI_BCLK B23 23 551 5 B24 CLKINO A24 SSI_RXD B25 CLKOUT1 A25 551 B26 GND Ground A26 GND Ground B27 AN7 A27 AN3 B28 AN6 A28 AN2 B29 5 29 AN1 B30 AN4 A30 ANO B31 GND Ground A31 GND Ground B32 DAC1 A32 DACO B33 TMR1 B34 TMR2 A34 TMRO B35 GPIO4 A35 GPIO6 B36 3 3V 3 3V Power A36 3 3V 3
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