9K Flash单片机UST2017 Datasheet

• CPU 

8 Bit CISC Core(8051 Compatible) 

• ROM capacity 

9K Bytes, Flash with self read/write capability 

On chip debug and In-system programming (ISP) 

Endurance: 10,000 times (Sector 0 to 279) 

 100,000 times (Sector 280 to 287) 

• SRAM capacity 

256 Bytes (IRAM) 

(Including LCD display RAM, 34 Bytes) 

• General Purpose I/O (GPIO) 

Normal I/O : 13 I/O 

LCD shared I/O : 36 I/O 

• Basic Interval Timer (BIT) 

8Bit × 1ch 

• Watch Dog Timer (WDT) 

8Bit × 1ch 

5KHz internal RC oscillator 

• Timer/ Counters 

8Bit × 4ch (T0/T1/T2/T3) or 16Bit x 2ch (T0/T2) 

16Bit x 1ch (T4) 

• Programmable Pulse Generation 

Carrier generation (by T1), T2 Clock source 

Pulse generation (by T4) 

• Watch Timer (WT) 

3.91mS/0.25S/0.5S/1S interval at 32.768KHz

• Buzzer 

8Bit x 1ch 

• SIO 

8Bit x 1ch 

• UART 

8Bit x 1ch 

• 10 Bit A/D Converter 

8 Input channels 

20uS conversion time

• LCD Driver 

28 Segments and 8 Common terminals 

30kΩ , 60kΩ and 120kΩ internal dividing resistor 

selectable 

1/2, 1/3, 1/4, 1/5, 1/6 and 1/8 duty selectable 

1/2, 1/3, and 1/4 bias selectable 

• Power On Reset 

Reset release level (1.4V) 

• Low Voltage Reset 

14 level detect (1.60V, 2.0V,,,,,, 4.4V) 

• Low Voltage Indicator 

13 level detect (2.0V,,,,,, 4.4V) 

• Interrupt Source 

External Interrupts (EINT10, EINT12, EINT14), 

Key Interrupts (8 inputs) 

T0,,,,4, WDT, WT, BIT, UART, SIO, ADC 

• Internal RC Oscillator 

Frequency: 16MHz ± 1.5% (@0ଇGTG\Wଇ) 

• Power Down Mode

Stop and Idle mode 

• Operating Voltage & Frequency

1.8V to 5.5V @ 32 to 38KHz with X-tal 

1.8V to 5.5V @ 0.4 to 4.2MHz with Ceramic 

2.0V to 5.5V @ 0.4 to 4.2MHz with X-tal

2.7V to 5.5V @ 0.4 to 12.0MHz with X-tal 

2.0V to 5.5V @ 0.5 to 16MHz with IRC and PLL 

• Minimum Instruction Execution Time 

 125nS at 16MHz CPU clock 

• Operating Temperature

 –40 to +85୅

• Oscillator Type

0.4-12MHz crystal or ceramic for main clock 

32.768Hz crystal for sub clock 

Phase locked loop (Max. 16MHz with sub clock) 

• Package

 52-Pin Pellet, 48-Pin LQFP, Pb-free package