๐Ÿ“Š Chip comparison and selection table#

Chip contrast#

Peripherals

Air101

Air103

Air105

Air302

Air640W

Air106

ESP32C3

Encapsulation

qfn32

qfn56

qfn88

LCC

qfn32

LQFP100

qfn32

Total Flash

2M

1M

4M

4M

1M/2M

512k External Flash

External Flash

Total Ram

288k

288k

640k

256k

288k

64k+8M

400k

Kernel

xt804

xt804

m4f

m3

m3

m33

risc-v

uart

5(4)

6(5)

4(3)

3(1)

3(2)

4(3)

2

gpio

18

44

56

20

16

74

15

i2c

1

1

1

1

1

2

1

spi

1

1

4

1

1

2

1

adc

2

4

5

2

2

19

6

dac

โœ–

โœ–

1

โœ–

โœ–

1

โœ–

usb

โœ–

โœ–

1

โœ–

โœ–

1

1

keyboard

โœ–

โœ–

1

โœ–

โœ–

โœ–

โœ–

lcdseg

โœ–

4*31

โœ–

โœ–

โœ–

โœ–

โœ–

otp

1

1

1

โœ–

โœ–

โœ–

โœ–

rtc

1

1

1

1

1

1

1

pwm

5

5

5

4

5

20(18)

4

sdio

1

1

โœ–

โœ–

โœ–

1

โœ–

็กฌ็‹—

1

1

1

โœ–

1

1

1

็กฌไปถๅŠ ้€Ÿ

md5/sha1

md5/sha1

md5/sha

โœ–

md5/sha1

jpeg

md5/sha1

Hardware Timer

5

5

8(6)

2

5

15(13)

4

2dๅŠ ้€Ÿ

โœ–

โœ–

โœ–

โœ–

โœ–

1

โœ–

ๆ‘„ๅƒๅคด

โœ–

โœ–

1

โœ–

โœ–

โœ–

โœ–

psram

โœ–

Can be external

โœ–

โœ–

โœ–

Inline

โœ–

wifi

โœ–

โœ–

โœ–

โœ–

1

โœ–

1

ble

1

1

โœ–

โœ–

โœ–

โœ–

1

nbiot

โœ–

โœ–

โœ–

1

โœ–

โœ–

โœ–

recommend resolution

128*160

128*120

320*240

128*160

128*160

1024*768

320*240

  • uart Quantity The total number of uarts. The number of uarts commonly available to the user is shown in parentheses. In general, one uart is required for logging and brushing..

  • gpio The quantity can be reused as the quantity of GPIO, including bootmode and uart0, which are available after startup but do not recommend multiplexing.GPIO.

  • In case of discrepancy, the hardware design manual shall prevail.

  • Lianshengde w800/w801/w805/806 is similar to air101/air103 and belongs to the arrangement and combination of package and flash size.

  • air105 There are 1 high-speed SPI, the highest 96M, 3 low-speed SPI, the highest 24M

  • air101/air103 BLE is a gift, high power consumption, not suitable for low power consumption scenarios

Meaning of Illustration Table Legend#

Illustration

Meaning

โœ”

Supported Supported

โš 

In progress/partial support WIP/partial support

โœ–

Not supported Not supported

?

Not clear/confidential status