GENERAL DESCRIPTIONTM57ML40是一個帶有LCD的8位微控制器，採用CMOS製程，具有高效能、低耗電特點，
其功能包含4K MTP ROM，368-byte SRAM，8-bit及16-bit timers，8-level stack，
8-bit PWM *2，33個I/O pins。並提供dual clock，快速震盪可選擇FXT或是FIRC，
慢速震盪32K Xtal，或是SIRC可降低功耗。
FEATURES.Operation voltage：1.7~3.6V.
.ROM：4Kx14 bits MTP ROM.
.RAM：336*8 bits + 32*8 bits LCD RAM.
.33 I/O pins (Max.)
.15-channel Touch Key.
.Timer*2 (8-bit Timer*1&16-bit Timer*1).
.8-bit PWM*2.
.Dual clock operation.
.4 Fast OSC selections：
- FXT (Fast Crystal)：1~12 MHz.
- FIRC (Fast Internal RC)：512K/2M/4M/8 MHz.
- XRC (Fast External R, External C).
- PLL.
.4 Slow OSC selections：
- SXT (Slow Crystal)：32768 Hz.
- SIRC (Slow Internal RC).
- XRC (Fast External R, External C).
- Touch Key oscillator.
.4 Operation Modes (Fast/Slow/Idle/ Stop).
.2-level LVR (1.7/2.5V).
.8-level Stack.
.Interrupt*10.
.16-bit RFC (Resistance to Frequency Converter)*2.
.LCD Driver, 8 COM x 28 SEG：
- 1/2 Bias, 1/3 Bias.
- 1/8 Duty, 1/7 Duty, 1/6 Duty, 1/5 Duty,
- 1/4 Duty, 1/3 Duty, 1/2 Duty, Static.
- 4 Brightness Level.
- 4 Driving current Level.
.Buzzer output.
.WDT.
.Reset functions：POR/WDT/LVR/Reset pin.