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PDF WT5081 Data sheet ( Hoja de datos )
| Número de pieza | WT5081 | |
| Descripción | 8-Bit uC | |
| Fabricantes | Weltrend Semiconductor | |
| Logotipo |  |
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DESCRIPTION
WT5081
8-bit µC with 4Mb ROM, 6.448Kbytes SRAM,
Push-Pull DAC and 48x32/64x32 LCD Driver
v1.11
The WT5081 is a high-performance, low-cost, CMOS 8-bit single-chip microcontroller with
48x32/64x32 dot-matrix LCD driver, which is suitable for variable applications, especially when
large number of LCD dots and large ROM space are needed, including edutainment toys, speech
synthesizer, Chinese character pagers, databank, handheld games and talking devices.
This chip has 8-bit CPU, RAM, I/Os, dual 16-bit timer/counters, interrupt controller, and a 9-bit
push-pull D/A output. To be suitable for portable battery-powered applications, a power saving
function is included. And, ESD protection circuitry is included to enhance the capability of ESD
resist.
FEATURES
u 8-bit single chip microcontroller with 48x32/64x32 LCD driver
u 6.448Kbytes SRAM and 512 Kbytes ROM
u Voltage operating range from 2.9 V to 3.2 V
u Built-in crystal OSC circuit and RC oscillator with maximum frequency up to 3.0 MHz
u 5 interrupt sources (external:1; internal:4) ; all sources have independent latches each and
multiple interrupt control is available
u I/O port (20 pins)
I/O port
4 pins
I/O port
16 pins
u Watchdog Timer
u Operating current 1mA/2MHz@3V; providing standby mode and key wake-up mode
u RC OSC OFF and 32.768KHz X’tal OSC ON: current consumption < 15 uA @3V
u Dual 16-bit timer/counters
u 9-bit push-pull D/A converter
u ESD protection circuitry
u Package: Chip form or 128-pin LQFP (14mm x 14mm x 1.4mm)
1 page | ||
| Páginas | Total 3 Páginas | |
| PDF Descargar | [ Datasheet WT5081.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
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