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TM57MT21A

Data Sheet
DS-TM57MT21A_EV093.pdf

2020/11/24
User manual

Development Tools
TICE99
TWR98/TWR99/TWR100/TWR100A

BLOCK DIAGRAM



FEATURES
1. MTP: 2K x 14 bits MTP ROM (Support ISP uses 5 wires)
2. RAM: 184 x 8 bits
3. STACK: 6 Levels
4. I/O Ports: Three bit-programmable I/O ports (Max. 17 pins)
5. Two Independent Timers
   . Timer0 
     - 8-bit Timer0 with divided by 1~256 pre-scale option / auto-reload / counter / interrupt / stop function
   . Timer1
     - 8-bit Timer1 with divided by 1~256 pre-scale option / auto-reload / interrupt / stop function
6. One 8-bit PWM0 with pre-scale / period-adjustment / clear and hold function / positive-negative-output function
7. 14-channel Touch Key
   . 1~8 Key H/W auto scan, upper / lower boundary adjustable for each key
   . Interrupt / Wake-up CPU while key is pressed (H/W auto mode) 
   . Interrupt while Touch Key is end of conversion (S/W manual mode)
8. Specific purpose slave I2C interface with interrupt function
9. Software controlled COM0~3 LCD driver with 1/2 bias
10. PA0~PA6, PB6~PB7, PD7 individual pin low level wake up
11. System Oscillation Sources (Fsys)
    . Fast-clock
     - FIRC (Fast Internal RC) : 1 / 2 / 4 MHz
    . Slow-clock
      - SIRC (Slow Internal RC) : 2.1 / 4.2 / 8.5 / 17 KHz @ VDD = 3V
12. Power Saving Operation Modes
    . FAST Mode: Fast-clock keeps CPU running
    . SLOW Mode: Fast-clock stops, Slow-clock keeps CPU running
    . IDLE Mode: Fast-clock and CPU stop, Wake-up Timer or Auto Touch Key keep running
    . STOP Mode: All Clocks Stop, Wake-up Timer and Auto Touch Key Stop
13. Dual System Clock
    . FIRC + SIRC 
14. Reset Sources
    . Power On Reset
    . Watchdog Reset
    . Low Voltage Reset
    . External pin Reset
15. 2-Level Low Voltage Reset: 1.9V / 2.2V (can be disabled)
16. Operation Voltage: Low Voltage Reset Level to 4.2V
    . Fsys = 2 MHz, 1.3V ~ 4.2V
    . Fsys = 4 MHz, 1.5V ~ 4.2V
17. Operating Temperature Range: -40*C to +85*C
18. Interrupts
    . Three External Interrupt pins
      - Two pin is falling edge triggered
      - One pin is rising or falling edge triggered
    . Timer0 / Timer1 / Wake-up Timer Interrupt
    . I2C Interrupt
    . Touch Key Interrupt
19. Watchdog Timer (WDT) / Wake-up Timer (WKT)
    . Clocked by built-in RC oscillator with 4 adjustable Reset / Interrupt time options
     - VDD = 3V, WDT / WKT = 240 ms / 120 ms / 60 ms / 30 ms
    . Watchdog timer can be disabled / enabled in Power-down mode
20. I/O Port Modes
    . Open-Drain Output
    . CMOS Push-Pull Output
    . Schmitt Trigger Input with pull-up resistor option
21. Instruction set: 36 Instructions
22. Package Types:
    . 20-pin DIP (300 mil)
    . 20-pin SOP (300 mil)
    . 20-pin SSOP (150 mil )
    . 20-pin QFN (4x4x0.75-0.5mm)
    . 16-pin DIP (300 mil)
    . 16-pin SOP (150 mil)
23. Supported EV board on ICE
    . EV board: EV8206


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