BQ24125L中文資料ETC數(shù)據(jù)手冊PDF規(guī)格書

Features

? SAMD21G18A Processor

? ARM Cortex M0+ at up to 48 MHz

? 256KB Flash

? 32KB SRAM

? Power On Reset POR and Brown Out Detection

(BOD)

? Peripherals

? 12 channel DMA

? 12 channel event system

? 5x 16 bit Timer/Counter

? 3x 24 bit timer/counter with extended

functions

? 32 bit RTC

? Watchdog Timer

? CRC-32 generator

? Full speed Host/Device USB with 8 end

points

? 6x SERCOM (USART, I 2 C, SPI, LIN)

? Two channel I 2 S

? 12 bit 350ksps ADC (up to 16 bit with

oversampling)

? 10 bit 350ksps DAC

? External Interrupt Controller (up to 16 lines)

? Murata CMWX1ZZABZ LORA Module

? STMicro STM32L0 series ARM Cortex M0+ 32 bit

MCU

? 192Kbytes Flash

? +20dBm RF TX Output Power

? Semtech SX1276 Radio

? W25Q16 SPI Flash memory

? 16Mbit SPI Flash

? 4mA active current, <1μA Power-down (typ.)

? More than 100,000 erase/program cycles

? More than 20-year data retention

? ATECC508 Crypto Chip

? Cryptographic co-processor with secure

hardware based key storage

? Protected storage for up to 16 keys, certificates

or data

? ECDH: FIPS SP800-56A Elliptic Curve

Diffie-Hellman

? ECDSA: FIPS186-3 Elliptic Curve Digital Signature

Algorithm

? NIST standard P256 elliptic curve support

? SHA-256 & HMAC hash including off-chip context

save/restore

? BQ24125L I2C Controlled USB/Adapter Charger

? 92 Charge Efficiency at 2 A, 90 at 4 A

? Autonomous Battery Charging

? 2.5-A Fast Charging