📊 芯片对照选型表#

芯片对比#

外设	Air101	Air103	Air105	Air302	Air640W	Air106	ESP32C3	Air780E/Air700E	Air780EP/Air780EPV
封装	qfn32	qfn56	qfn88	LCC	qfn32	LQFP100	qfn32	LGA 109PIN	LGA 109PIN
总Flash	2M	1M	4M	4M	1M/2M	512k+外接Flash	外接Flash	4M	4M
总Ram	288k	288k	640k	256k	288k	64k+8M	400k	1.25M	2M+2M
内核	xt804	xt804	m4f	m3	m3	m33	risc-v	M3	M3
uart	5(4)	6(5)	4(3)	3(1)	3(2)	4(3)	2	3	4
gpio	18	44	56	20	16	74	15	32	39
i2c	1	1	1	1	1	2	1	2	2
spi	1	1	4	1	1	2	1	2	2
adc	2	4	5	2	2	19	6	4	4
dac	✖	✖	1	✖	✖	1	✖	✖	✖
usb	✖	✖	1	✖	✖	1	1	1	1
keyboard	✖	✖	1	✖	✖	✖	✖	5*5	5*5
lcdseg	✖	4*31	✖	✖	✖	✖	✖	✖	✖
otp	1	1	1	✖	✖	✖	✖	1	1
rtc	1	1	1	1	1	1	1	1	1
pwm	5	5	5	4	5	20(18)	4	4	4
sdio	1	1	✖	✖	✖	1	✖	✖	✖
硬狗	1	1	1	✖	1	1	1	1	1
硬件加速	md5/sha1	md5/sha1	md5/sha	✖	md5/sha1	jpeg	md5/sha1	md5/des/crc7/sha系列等	md5/des/crc7/sha系列等
硬件定时器	5	5	8(6)	2	5	15(13)	4	?	?
2d加速	✖	✖	✖	✖	✖	1	✖	✖	✖
摄像头	✖	✖	1	✖	✖	✖	✖	✖	1
psram	✖	可外挂	✖	✖	✖	内嵌	✖	✖	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`	`320*240`	`480*320`