

Product Features
Processor
- 8-bit 51 architecture core, 48MHz main frequency
- Supports single-cycle MAC instruction execution
- 2 DPTRs
- Supports 18 interrupt sources, 4 interrupt priorities
- Supports three operating modes: FULL, IDLE, and SLEEP
Memory
- 64KB on-chip ROM
- 64KB on-chip SRAM, expandable up to 24MB
System Components
- 5 16-bit timers
- 1 15-bit watchdog timer
- 3-channel PCA with compare/capture functionality
- Multiplication and division unit, supporting 16X16, 32/16, and 16/16 operations
Peripheral Interfaces
- I2C interface, supporting master/slave modes, baud rate up to 400Kbps
- SPI interface, full-duplex, supporting master/slave modes, 4 transmission modes, and a maximum transmission frequency of 12MHz
- 2 UART interfaces, supporting 8-bit/9-bit modes, baud rate up to 3Mbps
- Up to 64 GPIOs, all IOs can be configured as external interrupts
- USB2.0, supporting full-speed/low-speed, 4 endpoints, and dual-buffer mechanism
- 12-bit ADC
Product Parameters
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