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| Vcc: | Speed (Max) : MHz |
| ROM : 16K Bytes | ISP : |
| RAM : 512B | ADC : 7-channel 10-bit analog-to-digital converter (ADC) and 1-channel ADC0 connect to internal reference voltage |
| I/O : | Package : 48 LQFP |
| ? | |
| Features ? Operating Voltage:2.2V ~ 5.5V ? 1~8T can be switched on the fly. ? Instruction-set compatible with MCS-51. ? 22.1184MHz Internal RC oscillator, with programmable clock divider ? 16KB on-chip program memory and 512B RAM. ? Dual 16-bit Data Pointers (DPTR0 & DPTR1). Three 16-bit Timer/Counters. (Timer 0,1,2） ? External interrupt 0, four priority levels ? Programmable watchdog timer. ? One IIC interface. (Master/Slave mode) ? One SPI interface (Master mode) ? 4-channel PWM ? 4-channel 16-bit PCA for compare(PWM) / capture/ reload functions ? 7-channel 10-bit analog-to-digital converter (ADC)and 1-channel ADC0 connect to internal reference voltage ? CMP x1 Set (2 devices) ? EEPROM function. ? On-Chip in-circuit emulator (ICE) functions with On-Chip Debugger (OCD). ? Keyboard interface (KBI) for four more interrupts. ? LVI/LVR (LVR deglitch 500ns) ? Power management unit for IDLE and power down modes. ? LCD 1/2 bias or 1/3 bias ? LCD selectable duty : 1/4 , 1/3 , 1/2 or full-duty ? Internal bias generator with voltage follower buffer ? For selectable LCD frame rate : 64Hz, 85.3Hz,128Hz, 170.6Hz ? Up to 27 x 4 bits RAM for display data storage ? Versatile blinking modes ? Automatic R/W address increment for display RAM access ? Internal 16-step voltage adjustment to adjust LCD voltage ? RTC Counts Seconds, Minutes, Hours, Day, Date,Month, and Year with Leap Year Compensation Valid Through 2099 ? Two Time-of-Day Alarms with One Interrupt Output | |
