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برد توسعه وایفای RDA5981 با قابلیت تامین پاور میکرو USB

کد انبار : 4038-120-6372
مدل کالا : X01A-DEVB
جستارش : A1-05-0905B
موجودی: 5
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برد توسعه وایفای RDA5981 با قابلیت تامین پاور میکرو USB

Features:
size specifications , 17.6 × 1 5 . 5 × 2. 3 mm ;
Operating temperature -30 °C to +80 °C;
Operating voltage 3. 0 V- 3 . 5 V;
boot voltage > 3. 0 V ;
Support 2 th hardware serial ports, baud rates from 1200bps to 4Mbps ;
Support 2 th I2S interfaces , BCLK support support 96/192/384/512 / 44.1 / 88.2KHz ;
support . 1 th I2C interface, support for master or slave mode, supports a maximum speed of 3.4Mb / S ;
support . 4 th SPI interface supports master mode, the maximum clock frequency supported 20MHZ , the maximum length of the data support 64bit ;
Support USB2.0 interface;
supports 8 channel hardware the PWM , . 5 -way standard the PWM , . 1 way the LPG , for use in Class flash control, two -way PWL applicable to monochrome brightness control;
Support dual-channel ADC , 10bit sampling;
Support hardware AES/RSA encryption and decryption;
Support GPIO0-GPIO13 14 interrupts feet, up to 16 Ge GPIO can be used;
support 2.4GHZ 802.11b/g/n, maximum 150Mbps , 20/40MHZ bandwidth;
ARM Contex M4 +FPU/MPU core, 160MHz frequency, super powerful MCU ;
operating system mbed  system;
Support ROHS , FCC , CE certification;
LCC 24 PIN package;

Pin number

Pin name

Instructions

1

IO4

Ordinary GPIO

2

RESET

RESET , pull down RESET ; if the externalMCU to control, you can directly connect theMCU 's GPIO , normal pull, RESET pull down, then pull up

3

IO1

Ordinary GPIO

4

IO2

Ordinary GPIO

5

IO3

Ordinary GPIO

6

UART_RXD

Download firmware, AT can use this serial port, serial port speed from 1200bps to460800bps

7

UART_TXD

8

IO13

Ordinary GPIO

9

IO12

Ordinary GPIO

10

IO25

Ordinary GPIO

11

IO24

Ordinary GPIO

12

IO23

Ordinary GPIO

13

IO22

Ordinary GPIO

14

IO21

Ordinary GPIO

15

IO0

Ordinary GPIO

16

GND

Land

17

VCC33

Operating power supply 3.0-3.5V , requiring maximum supply current no less than 300mA

18

IO9

Ordinary GPIO

19

USB_DN

USB D- foot

20

USB_DP

USB D+ pin

21

ADC0

ADC foot

22

IO5

Ordinary GPIO

23

IO7/ADC

Ordinary GPIO can also be configured as ADC

24

IO8

Ordinary GPIO

 

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