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深圳信泰电子器材有限公司
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TM57MT21概述
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
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
. Fast-clock
- FIRC (Fast Internal RC): 8MHz
. Slow-clock
- SIRC (Slow Internal RC): 17KHz
12. System Clock Prescaler: System Oscillation Sources can be divided by 8 / 4 / 2 / 1 as System Clock (Fsys)
13. 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
14. Dual System Clock
. FIRC + SIRC
15. Reset Sources
. Power On Reset
. Watchdog Reset
. Low Voltage Reset
. External pin Reset
16. 1-Level Low Voltage Reset: 1.9V (can be disabled)
17. Operation Voltage: Low Voltage Reset Level to 3.6V
. Fsys = 4 MHz, 1.5V ~ 3.6V
. Fsys = 8 MHz, 1.9V ~ 3.6V
18. Operating Temperature Range: -40*C to +85*C
19. 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
. Auto Touch Key Interrupt
20. Watchdog Timer (WDT) / Wake-up Timer (WKT)
. Clocked by built-in RC oscillator with 4 adjustable Reset / Interrupt time options
- VDD = 3V, WDT/WKT = 240ms / 120ms / 60ms / 30ms
. Watchdog timer can be disabled / enabled in Power-down mode
21. I/O Port Modes
. Open-Drain Output
. CMOS Push-Pull Output
. Schmitt Trigger Input with pull-up resistor option
22. Instruction set: 36 Instructions
23. Package Types:
. 20-pin DIP (300 mil)
. 20-pin SOP (300 mil)
. 16-pin DIP (300 mil)
. 16-pin SOP (150 mil)
24. Supported EV board on ICE
. EV board: EV8206
