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atmel-42353a-winc1500-smartconnect-datasheet_092014 description the atmel ? winc1500 is a single chip ieee ? 802.11 b/g/n rf, iot (internet of things) network controller so c. the winc1500 most advanced mode is a single stream 1x1 802.11n mode providing up to 72mbps phy throughput. the winc1500 features fully integrated powe r amplifier, lna, switch and power management. implemented in 65nm cmos technology, the winc1500 offers very low power consumption while simu ltaneously providing high performance and optimized bill of material. the winc1500 provides internal flash me mory as well as multiple peripheral interfaces including uart, spi, and i2c. the only external clock source needed for the winc1500 is a high -speed crystal or oscillator with a wide variety of reference clock frequencies supported (between 12 ? 32 mhz). the winc1500 is available in a qfn package and connects to any avr or smart mcu with minimal resources. features ? ieee 802.11 b/g/ n rf/ph/mac soc ? ieee 802.11 b/g/n (1x1 ) for up to 72mbps ? single spatial stream in 2.5ghz rf band ? integrated pa and t/r switch ? superior sensitivity and range vi a advanced phy signal processing ? wi-fi direct and soft-ap support ? supports ieee 802.11 we p, wpa, wpa2 security ? on-chip memory management engine to reduce host load ? 4mbit internal flash memory for system software ? spi, uart and i 2 c as host interfaces ? power save modes: ? 3 a deep sleep mode ? 600 a standby mode (state is preserved) ? on-chip low power sleep oscillator ? fast host wake-up by chip pin or clock-less transaction ? fast boot options ? on-chip boot rom (firmware instant boot) ? spi flash boot (firmware patches and state variables) ? low-leakage on-chip memory for state variables (next chip revision) atmel atwinc1500 single chip ieee 802.11 b/g/n network controller soc with integrated flash memory preliminary datasheet
atmel atwilc1500a [preliminary datasheet] atmel-42353a-winc1500-smartconnect-datasheet_092014 2 ? no spi flash is needed if firmware patches and stat e variables can be loaded from mcu at boot time ? fast ap re-association (150ms) ? on-chip network stack to offload mcu ? integrated network ip stack to minimize host cpu requirements ? network features tcp, udp, dhcp, arp, http, ssl, and dns ? tcp/ip protocol stack (clien t/server) socket s applications ? wi-fi security wep, wpa, wpa2 and wps ? advanced equalization and channel estimation ? advanced carrier and timing synchronization ? wi-fi direct and soft-ap support ? network protocols (dhcp/dns) ? wsc (wireless simple configuration wps) ? no os small footprint host driver (4kb flash ? less than 1kb ram) 3 atmel atwilc1500a [pre liminary datasheet] atmel-42353a-winc1500-smartconnect-datasheet_092014 1. ordering information note: 1. the qfn package is a qualified green package. 2. package information table 2-1. winc1500 qfn package information (1) note: 1. for the details, see ?package drawing? on page 22 ordering code package (1) description atwinc1500a-mu-t 5x5 qfn single 802.11.b/g/n chip atwinc1500-mr210pa 22 x 15mm certified module with atwinc1500a-mu chip and pcb antenna atwinc1500-mr510a certified module withatwinc1500a-mu chip and crypto security atwinc1500-xpro an extension card containing atwinc1500-mr210pa module that is compatible with any xplained pro card atwinc1500-xstk starter kit including xplained pro-d21 and an winc1500-xpro wing board parameter value units tolerance package size 5 x 5 mm 0.1mm qfn pad count 40 total thickness 0.85 mm 0.05mm qfn pad pitch 0.4 mm pad width 0.2 mm exposed pad size 3.7 x 3.7 mm atmel atwilc1500a [preliminary datasheet] atmel-42353a-winc1500-smartconnect-datasheet_092014 4 3. block diagram figure 3-1. winc1500 block diagram x x tx digital core dpd 802 . 11 bgn ifft 802 . 11 bgn coding h o s t in te r fa c e microcontroller dac a dc r x digital core 802 . 11 bgn ofdm channel es tima tio n / equalization 802 . 11 bgn forward error correction ram pl l 802 . 11 b , g , n mac ~ uart sp i d e d ic a te d gp io winc 1500 xo pmu i 2 c rtc clock 5 atmel atwilc1500a [pre liminary datasheet] atmel-42353a-winc1500-smartconnect-datasheet_092014 4. pinout the atmel winc1500 is offered in an exposed pad 40l, qfn package. the package has an exposed paddle that must be connected to the system board ground. table 4-1. winc1500 qfn pin connectivity pin # pin name pull up/down description 1 tp_p none test pin / customer no connect 2 vdd_rf_rx none tuner 1.2v rf supply 3 vdd_ams none 1.2v analog / mixed signal supply 4 vdd_rf_tx none tuner 1.2v rf supply 5 vbat_ppa none prepa power supply 6 vbat_pa none battery power supply for pa 7 rfiop none pos rf differential i/o 8 rfion none neg rf differential i/o 9 spi_cfg none tie to high for spi 10 gpio0/host_wake programmable pull-up gpio0 / sleep mode control 11 gpio2/irqn programmable pull-up gpio2 / device interrupt 12 uart_txd programmable pull-up uart_txd 13 spi_rxd programmable pull-up spi data rx 14 vdd_1v20_1 none 1.2v core power supply 15 vddio none i/o power supply 16 spi_ssn programmable pull-up spi slave select 17 spi_txd programmable pull-up spi data tx 18 spi_sck programmable pull-up spi clock 19 uart_rxd programmable pull-up uart_rxd 20 vbatt_buck none battery supply for dc/dc converter 21 vsw none 1.2v power from dc/dc converter 22 vreg_buck none feeds vsw back to dc/dc converter 23 chip_en none pmu enable 24 gpio1/rtc_clk programmable pull-down gpio1 / 32 khz clock input 25 test_mode none test mode ? customer tie to gnd 26 vddio none i/o power supply 27 vdd_1v20_2 none 1.2v core power supply 28 gpio17 programmable pull-up gpio17 29 gpio18 programmable pull-up gpio18 atmel atwilc1500a [preliminary datasheet] atmel-42353a-winc1500-smartconnect-datasheet_092014 6 30 gpio19 programmable pull-up gpio19 31 gpio20 programmable pull-up gpio20 32 i2c_scl programmable pull-up i 2 c slave clock 33 i2c_sda programmable pull-up i 2 c slave data 34 resetn none active-low hard reset 35 xo_n none crystal oscillator n 36 xo_p none crystal oscillator p 37 vdd_sxdig none 1.2v sx power supply 38 vdd_vco none 1.2v vco power supply 39 vddio_a none tuner vddio supply 40 tpn none test pin / customer no connect 41 paddle vss none connect to system board ground table 4-1. winc1500 qfn pin connectivity (continued) pin # pin name pull up/down description 7 atmel atwilc1500a [pre liminary datasheet] atmel-42353a-winc1500-smartconnect-datasheet_092014 5. power management 5.1 power architecture the atmel winc1500 device uses an innovative power ar chitecture to eliminate the need for external regulators and reduce the number of off-chip components. the architecture is shown in figure 5-1 . the power management unit (pmu) has a dc/dc converter that converts vbatt to the 1.2v supply used by the digital and rf/ams blocks. the pa and efuse are su pplied by dedicated ldos, and the vco is supplied by a separate ldo structure. the power connections in figure 5-1 provide a conceptual framework for understanding the winc1500 power architecture. reference designs will be provided to demonstrate how to prope rly connect the supplies, including proper isolation of the supplies used by the digital and rf/ams blocks. figure 5-1. winc1500 power architecture 9 % $ 7 7 b % 8 & |