Standard 8051 Instruction set, fast machine cycle

• Executes instructions six times faster than the standard 8051.

Flash Program Memory

• 32K Bytes (TM52F1375)

• 16K Bytes (TM52F1374)

• Support IAP “In Application Programming” (EEPROM like)

• Code Protection Capability

• 10K erase times at least

• 10 years data retention at least

Total 1280 Bytes SRAM (IRAM + XRAM)

• 256 Bytes IRAM in the 8051 internal data memory area

• 1024 Bytes XRAM in the 8051 external data memory area (accessed by MOVX Instruction)

Four System Clock type selections

• Fast clock from 1~18MHz Crystal (FXT)

• Fast clock from Internal RC (FRC, 18.432 MHz)

• Slow clock from 32768Hz Crystal (SXT)

• Slow clock from Internal RC (SRC,80 KHz)

• System Clock can be divided by 1/2/4/16 option

8051 Standard Timer – Timer0/1/2

• 16-bit Timer0, also supports T0O clock output for Buzzer application

• 16-bit Timer1

• 16-bit Timer2, also supports T2O clock output for Buzzer application

15-bit Timer3

• Clock source is Slow clock

• Interrupt period can be clock divided by 32768/16384/8192/128 option

UARTs

• UART1, 8051 standard UART

• UART2, the second UART, supports only mode1 and mode3

Three independent 16 bits PWMs with period-adjustment

SPI Interface

• Master or Slave mode selectable

• Programmable transmit bit rate

• Serial clock phase and polarity options

• MSB-first or LSB-first selectable

I
2C interface (Master / Slave)

一组主 I2C 接口(Master I2C interface)

20-Channel Touch Key (FTK)

12-bit ADC with 13 channels External Pin Input and 2 channels Internal Reference Voltage

• Internal Reference Voltage: VBG 1.21V @VCC=5V~3V, 25℃

• Internal Reference Voltage: 1/4VCC

LCD Driver

• 1/8 duty

• Software controlled COM0~7

• 1/2 LCD Bias

LED Controller/Driver

• Bidirection matrix mode (BiD) : 4Cx6S, 10 pins up to 48 d

• Dot matrix mode: 8*8, 9 pins up to 64 dots