📊 芯片对照选型表#

芯片对比#

外设	Air101	Air103	Air105	Air302	Air640W	Air106	ESP32C3
封装	qfn32	qfn56	qfn88	LCC	qfn32	LQFP100	qfn32
总Flash	2M	1M	4M	4M	1M/2M	512k+外接Flash	外接Flash
总Ram	288k	288k	640k	256k	288k	64k+8M	400k
内核	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	✖	✖	1	✖	✖	1	✖
usb	✖	✖	1	✖	✖	1	1
keyboard	✖	✖	1	✖	✖	✖	✖
lcdseg	✖	4*31	✖	✖	✖	✖	✖
otp	1	1	1	✖	✖	✖	✖
rtc	1	1	1	1	1	1	1
pwm	5	5	5	4	5	20(18)	4
sdio	1	1	✖	✖	✖	1	✖
硬狗	1	1	1	✖	1	1	1
硬件加速	md5/sha1	md5/sha1	md5/sha	✖	md5/sha1	jpeg	md5/sha1
硬件定时器	5	5	8(6)	2	5	15(13)	4
2d加速	✖	✖	✖	✖	✖	1	✖
摄像头	✖	✖	1	✖	✖	✖	✖
psram	✖	可外挂	✖	✖	✖	内嵌	✖
wifi	✖	✖	✖	✖	1	✖	1
ble	1	1	✖	✖	✖	✖	1
nbiot	✖	✖	✖	1	✖	✖	✖
推荐分辨率	`128*160`	`128*120`	`320*240`	`128*160`	`128*160`	`1024*768`	`320*240`