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Application-specific MCUs

WT5053

The WT5053 is a high-performance, low-cost, CMOS 8-bit single-chip microcontroller with 4Kbytes on-chip ROM, an 8-channel 12-bit analog to digital converter. This chip is suitable for variable applications, especially where analog signal (sensor output) to digital signal conversion is required, including industrial control, consumer, communications, and security products. This chip has 8-bit CPU, RAM, ROM, I/Os, dual 16-bit timer/counters, interrupt controller, and an 8-channel 12-bit A/D converter. To be suitable for portable battery-powered applications, a power saving function is included.

Features

- 8-bit single chip microcontroller with 4Kbytes ROM and 128bytes SRAM
- Wide voltage operating range from 2.4 V to 5.5 V
- On-chip RC oscillator runs at 2MHz and crystal oscillator can run up to 8.0 MHz
- 6 interrupt sources (external:1; internal:5) ; all sources have independent latches each and multiple interrupt control is available
- I/O port (12 pins)
-Port P0 8 pins (shared with analog inputs; 4 pins with 20 mA sink current)

-Port P1 4 pins (20 mA sink current)
- Operating current 2mA/4MHz@5V; providing standby mode (OSC is stopped and current consumption < 1 uA@5V)
- Watchdog timer
- Dual PWM
- Dual 16-bit timer/counters
- A/D converter module
-8 analog inputs multiplexed into one A/D converter

-Sample and hold

-20 uS conversion time/per channel

-12-bit resolution with 2 LSB accuracy

-External reference input, ADVRF
- Package: LQFP48

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