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| eltrend WT50F5 8-bit C with 8KB Flash Memory, an 8-CH 12-bit A/D Converter and 16x4 LCD Driver DESCRIPTION The WT50F5 is a high-performance, low-cost, CMOS 8-bit single-chip microcontroller with 8Kbytes on-chip flash memory, an 8-channel 12-bit analog to digital converter and 16x4 LCD driver. This chip is suitable for variable applications, especially where analog signal (sensor output) to digital signal conversion, LCD display and short development cycle are required, including industrial control, consumer, communications, and security products. This chip has 8-bit CPU, RAM, flash memory, I/Os, dual 16-bit timer/counters, interrupt controller, 16x4 LCD driver and an 8-channel 12-bit A/D converter. To be suitable for portable batterypowered applications, a power saving function is included. FEATURES u u u u 8-bit single chip microcontroller with 8K bytes flash memory and 384bytes SRAM Wide voltage operating range from 2.7 V to 5.5 V On-chip RC oscillator runs at 2MHz and crystal oscillator can run up to 6.0 MHz 6 interrupt sources (external:1; internal:5) ; all sources have independent latches each and multiple interrupt control is available u I/O port (32 pins) u Port P0 u Port P1 u Port P2 u Port P3 8 pins (shared with analog inputs; 4 pins with 20 mA sink current) 8 pins (20 mA sink current) 8 pins (shared with SEG9~SEG16) 8 pins (shared with SEG1~SEG8) u Interval Timer (Internal time base generator) u Operating current 2mA/4MHz@5V; providing standby mode stopped and current consumption < 1 uA@5V) and key wake-up mode u Watchdog timer u Dual PWM u Dual 16-bit timer/counters u A/D converter module u 8 analog inputs multiplexed into one A/D converter u Sample and hold u 20 S conversion time/per channel (OSC is eltrend WT50F5 8-bit C with 8KB Flash Memory, an 8-CH 12-bit A/D Converter and 16x4 LCD Driver u 12-bit resolution with 2 LSB accuracy u External reference input, ADVRF u LCD driver (automatically display) u LCD direct drive (max. 8-digit display at 1/4 duty) u 1/4, 1/3, 1/2 duties and 1/2, 1/3 biases can be selected by programming u Programming lock for software security; read/write protection (signature compare) u Package: 40-pin PDIP eltrend WT50F5 8-bit C with 8KB Flash Memory, an 8-CH 12-bit A/D Converter and 16x4 LCD Driver PACKAGE PIN ASSIGNMENT P04/AIN4 P05/AIN5 P06/AIN6 P07/AIN7 1 2 3 4 40 39 38 37 VDD P03/AIN3 P02/AIN2 P01/AIN1 ADVRF 5 36 P00/AIN0 P20/SEG9 P21/SEG1 P22/SEG1 P23/SEG1 P24/SEG1 P25/SEG14/VCAP1 6 7 8 35 34 33 P35/SEG6 P34/SEG5 P33/SEG4 P32/SEG3 P31/SEG2 9 10 WT50F5 11 12 32 31 30 29 P30/SEG1 P26/SEG15/VCAP2 P27/SEG16/VCAP3 RESET EXTINT 13 14 28 27 P36/SEG7 P37/SEG8 XOUT XIN/ROSC 15 26 P10/PWM 16 25 CLKSEL/TEST P11/PWM 17 18 19 20 24 23 P17/COM P12/ECT0 P16/COM P15/COM P14/COM1 P13/VLCD GND 22 21 |
Price & Availability of WT50F5
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