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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 |