Core

-

MO

8051

Max.Freq.MHZ

16

48

-

Memory Flash(Bytes)

-

512

-

Memory SRAM(Bytes)

16K

138K

16K+12K

I/O

5

34

20

16bit Timer

2

-

2

32bit(24bit） Timer

-

8

-

Sys Tick

-

1

-

FWDT/WWDT

-

1/0

-

RTC

-

1

-

PWM

2

6

2

UART

1

1

1

SPI

1

2

1

12S

-

1

-

12C

1

2

1

ADC CHS*bits

8*10

6*12

8*10

PF Feature BLE

3.6

5

4.2

RX Sensi

-93dBm

-97dBm

-93dBm

TX Power

-30~12dBm

-20~10dBm

-5~5dBm

Max.Speed

1Mbps

1Mbps(2Mbps)

1Mbps

TX(mA)

18

8

18

RX(mA)

17

8

17

Temp(℃）

-40~85

-40~105

-40~85

VDD

1.9~3.6

1.8~3.6

1.8~3.6

Package

SOP8

QFN32/QFN48

SSOP24

DataSheet