| number | ic model | category | package size（mm*mm*mm） | thoroughfare | flash | ram | kernel | communicate | adc | pwm | gpio |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | bmt6228s | 28 | 64 | 4k | 32位 | 16bit24路 | |||||
| 2 | bmt5228s | - | - | 28 | 32k | 4k | 32 | 24路 | |||
| 3 | bmt7328s | 28 | 128k | 8k | 32位 | 16bit 24路 | |||||
| 4 | bmt8328s | - | - | 28 | 256k | 8k | 32位 | 16bit 24路 | |||
| 5 | bmt5220s | - | - | 20 | 32k | 4k | 32 | 12c | 16bit | ||
| 6 | bmt6220s | - | - | 20 | 64k | 4k | 16bit | ||||
| 7 | bmt8320s | - | - | 20 | 256k | 8k | 32位 | 16bit | |||
| 8 | bmt7320s | 20 | 128k | 8k | 32位 | 16bit |
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