W78354P Datasheet



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.

· 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
  - 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 frequency generator
  - Programmable H-clamp pulse output
  - Safe operation area (SOA) output
  - Self-test pattern output
· One software I2C port
· One DDC port (master/slave mode I2C, supports DDC1/DDC2B/DDC2B+)
· Watchdog timer
· Moire cancellation
· Two 15 mA output pins for driving LED
· Power-low reset
· OTP type: W78E354 (16 KB flash PROM)
· Three package types:
  - PLCC68 (W78C/E354P), DIP48 (W78C/E354E), DIP40 (W78C/E354)




Manufacturer information

Warm Hint

What HQEW.NET can offer here?
1. www.hqew.net/product-data provides numerous and various electronic part data-sheet and technology document here., if it can't be shown, Please feel free to ask us for it.
2. www.hqew.net/news provides the latest information of the semiconductor industry or the electronics industry for you.
3. www.hqew.net provides verified suppliers and numerous electronic components for your demand and business.
Any questions you can contact us by email cs@hqew.net.
Request for Datasheet

  • Part No     :
  • Your Email:
  • Content     :

related datasheet
Browse Alphabetically: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0 1 2 3 4 5 6 7 8 9
Contact Us


One to One Customer Service