| →→Domestic single-chip microcomputer spot supply stable supply ←← |  |
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●Use SC300 safe core processor. Make full use of its outstanding architectural features, high performance and ultra-low cost,
●The chip has a built-in hardware security encryption module and supports multiple encryption security algorithms, including mainstream encryption algorithms such as DES, TDES, AES, RSA, ECC, and SHA.
●The chip integrates a wealth of peripheral resources, and all peripheral driver software is compatible with the current mainstream security chip software interface and conforms to the ARM CMSIS specification,
●The chip contains a secure BOOT program, which supports firmware signature verification during download and startup.
●The chip hardware also supports a variety of attack detection functions, in line with financial security equipment standards.
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| Main push model | MH2020CQ47MH00 | MH1902TQ67MH0S | MH1903SQ8GNH0S |
| Package | QFN48 | QFN68 | QFN88 |
| RAM | 128Kbit | 128Kbit | 640Kbit |
| Flash | 1Mbit | 1Mbit | 4Mbit |
| GPIO | 24 | 42 | 56 |
| Data download | PDF下载 | PDF下载 | PDF下载 |
| Part Number | Package | RAM | FLASH | SPI | ADC | DAC | GPIO | USB | Serial | Download |
|---|---|---|---|---|---|---|---|---|---|---|
| MH1903 BGA169 | BGA169 | 1MB | External 512K~16MB | 5 | 6 | 1 | 116 | 1个OTG | 4 | NULL |
| MH1903 BGA121 | BGA121 | 1MB | External 512K~16MB | 4 | 6 | 1 | 77 | 1个OTG | 4 | NULL |
| MH1903P QFN68 | QFN68 | 1MB | External 512K~16MB | 4 | 6 | 1 | 49 | 1个device | 4 | NULL |
| MH1903 QFN60L | QFN60L | 1MB | 1MB | 1 | 4 | 1 | 37 | 1个device | 2 | NULL |
| MH1903 QFN88 | QFN88 | 1MB | 1MB | 4 | 5 | 1 | 64 | 1个device | 4 | NULL |
| MH1903SQ4GMHJS | QFN48 | 640KB | 1MB | 1 | 4 | 1 | 35 | 1个device | 3 |
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| MH1903SQ8GNH0S | QFN88 | 640KB | 4MB | 3 | 6 | 1 | 56 | 1个device | 3 |
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| MH1903SQ8GMHJS | QFN88 | 640KB | 1MB | 4 | 5 | 1 | 63 | 1个device | 4 |
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| MH1902TQ87NH0S | QFN88 | 128KB | 4MB | 4 | 7 | 1 | 57 | 1个OTG | 3 |
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| MH1902TQ67MH0S | QFN68 | 128KB | 1MB | 4 | 7 | 1 | 42 | 1个device | 3 |
|
| MH2020CQ47MH00 | QFN48 | 128KB | 1MB | 3 | 4 | 1 | 24 | 1个device | 3 |
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| MH1902TQ66FH00 | QFN68 | 64KB | 512KB | 4 | 7 | 1 | 42 | 1个device | 3 |
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| MH1902TQ36FH00 | QFN32 | 64KB | 512KB | 3 | 4 | 1 | 16 | 1个device | 3 |
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| Bluetooth BLE chip | QFN32 | 40K | 512K | 1 | 10bit ADC | / | 17 | / | 2 | NULL |
| Bluetooth BLE chip | QFN48 | 40K | 512K | 1 | 10bit ADC | / | 32 | / | 2 | NULL |
| Bluetooth dual-mode chip | QFN32 | / | / | / | 10bit ADC | / | 17 | / | 1 | NULL |
| Bluetooth dual-mode chip | QFN24 | / | / | / | 10bit ADC | / | 13 | / | 1 | NULL |
