MT7682 datasheet(3/49 Pages) MEDIATEK

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MT7682 Datasheet

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This document contains information that is proprietary to MediaTek Inc. (“MediaTek”) and/or its licensor(s).

Any unauthorized use, reproduction or disclosure of this document in whole or in part is strictly prohibited.

Features

Wi-Fi

• IEEE 802.11 b/g/n (2.4GHz, 1x1)

• Supports 20MHz, 40MHz bandwidth in

2.4GHz band

• Wi-Fi security WEP/WPA2/WPS

• SoftAP, sniffer

• Dynamically switching between STA and

SoftAP modes at runtime

• MediaTek smart connection

• Multi-cloud connectivity

• Receiver antenna diversity

• Wi-Fi and Bluetooth LE coexistence

• Integrated balun, PA/LNA

• Optional external LNA and PA support

Microcontroller subsystem

• 192MHz ARM® Cortex®-M4 with FPU

• 14 DMA channels

• One RTC timer, one 64-bit and 5 32-bit

general purpose timers

• Hardware DFS from 3MHz to 192MHz

• Development support: SWD, JTAG

• Crypto engine

o AES 128/192/256 bits

o DES, 3DES

o MD5, SHA-1/224/256/384/512

• True random number generator

• JTAG password protection

Memory

• Up to 384KB SRAM, with zero-wait state

and 96MHz maximum frequency

• Up to 32KB L1 cache with high hit rate,

zero-wait state and 192MHz maximum

frequency.

• Embedded 8Mbits flash, with less than

0.1µA (typical) and 80MHz maximum

frequency deep power-down current

Communication interfaces

• A set of SDIO 2.0 master and SDIO 2.0 slave

• An I2C (3.4Mbps) interface

• Three UART interfaces (3Mbps and with

hardware flow control)

• An SPI master and SPI slave with up to

48MHz SCK, quad mode)

• Two I2S interfaces

o One 16/24-bit, master/slave mode

One 16-bit, master/slave mode with

TDM

o Two TX/RX channels with 16, 24, 48, 96,

192, 11.025, 22.05 and 44.1kHz

frequencies

• Five PWM channels

• 14 GPIOs (fast IOs, 5V-tolerant)

• A single channel 12-bit AUXADC

Power management

• Integrated DC-DC

• Power input

o VRTC: from 1.62V to 3.63V

o VPMU / VRF: 3.3V (+/-10%)

o VIO*: 1.8V, 3.3V (+/-10%)

• Off mode: <0.5µA

• Retention mode (with RTC)

o <2.7µA (RTC only)

o ~4.7µA with 8KB RAM sleep mode

• Deep sleep mode (with external 32kHz clock,

SDIO off)

o 80µA with 0KB RAM sleep mode

o 108µA with 384KB RAM sleep mode

• G-band RX power: 42mA

• G-band TX power

o FPA: 248mA at 19dBm CCK

o HPA: 220mA at 16.5dBm OFDM

• DTIM interval with 32kHz external clock

source and 384KB SRAM

o DTIM=1: 0.62mA

o DTIM=3: 0.29mA

• Ambient temperature from -30°C to 85°C

Clock source

• 26MHz or 40MHz crystal oscillator

• 32kHz crystal oscillator or internal 32kHz RC

for RTC

Package type

• 5-mm x 5-mm x 0.9-mm 40-pin QFN with

0.4-mm lead pitch

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