【 Features 】 |
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8-bit Turbo 8052 compatible CPU with 24MHz operating frequency |
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12MHz or 24MHz crystal oscillator (selectable by S/W) |
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32kHz RC Ring Clock for off line and low power mode |
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8K bytes OTP ROM |
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512 bytes SRAM |
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USB features: |
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- Complete compatible with Universal Serial Bus specification 2.0 Full / Low Speed |
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- 1 control endpoint, IN/OUT each with 64 Bytes (8/16/32/64-byte programmable) FIFO |
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- 5 Generic endpoints (IN/OUT INT/Bulk programmable) each with 64-Byte (8/16/32/64 bytes programmable) FIFO; Endpoint 5 can also be configured as OUT token for endpoint 1 or 2 |
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- Supports USB Suspend, Resume and Remote Wakeup |
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Idle and power down modes supported |
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Standard RS232 data transmission |
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1 SPI interface |
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- Master/Slave mode selectable |
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- Max speed: 2MHz |
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- Data length per transaction: 1-byte |
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1 I2C interface |
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- Master mode only |
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- Max speed: 800kHz |
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3 high sink current IO for LED control |
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Totally 15 GPIO pins (max) |
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IO falling edge detect interrupt, can work as wakeup trigger at the power down mode |
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Supports power-on reset and low-voltage reset |
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Three 16-bit timer/counter |
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Watch-dog timer (10ms ~ 640ms programmable) |
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6-pin ISP Function (VDD, VSS, VPP, RESETN, PB0/ISP_SCL, PB1/ISP_SDA pins are used) |
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OTP Memory Read Protect |