器件名称: W78CE354E
功能描述: MONITOR MICROCONTROLLER
文件大小: 426.29KB 共44页
简 介:Preliminary W78C354 MONITOR MICROCONTROLLER
GENERAL DESCRIPTION
The W78C354 is a high-performance monitor microcontroller that is based on the embedded 80C32 microcontroller core. The W78C354 includes a 16 KB ROM, 512 byte internal data RAM, a 6-bit A/D converter, two 12-bit and fourteen 8-bit PWM static DACs, one 12-bit and three 8-bit PWM dynamic DACs, a sync processor, an I2C port, a DDC port, a watchdog timer, and glue logic specially designed for monitor applications. The W78C354 is suitable for monitors applying VESA DDC1/DDC2B/DDC2B+. This product's high level of integration and the availability of a one-time programmable (OTP) flash PROM version(the W78E354) help to reduce unit costs, development costs, and development time.
FEATURES
80C32 MCU core included 20 MHz maximum operating frequency 16 KB ROM for program storage 512 bytes of on-chip data RAM: Lower 256 bytes accessed as in the 80C32 Higher 256 bytes accessed as an external data memory via "MOVX @Ri". One SPI/RS232 port (80C32 standard serial port) One external interrupt input Two timers/counters One 8-bit auto-reload timer for software time base PWM DACs: Two 12-bit PWM/BRM static DACs Fourteen 8-bit PWM static DACs One 12-bit PWM/BRM dynamic DAC Three 8-bit PWM dynamic DACs One 6-bit ADC with 4 multiplexed analog inputs Sync processor: Horizontal & vertical polarity detector Sync separator for composite sync Horizontal & vertical frequency counter Programmable dummy frequenc……
