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W78C354 PDF预览

W78C354

更新时间: 2024-09-14 22:14:39
品牌 Logo 应用领域
华邦 - WINBOND 微控制器监控监视器
页数 文件大小 规格书
44页 422K
描述
MONITOR MICROCONTROLLER

W78C354 技术参数

生命周期:Obsolete零件包装代码:DIP
包装说明:DIP,针数:40
Reach Compliance Code:unknownHTS代码:8542.31.00.01
风险等级:5.84具有ADC:YES
地址总线宽度:位大小:8
最大时钟频率:20 MHzDAC 通道:NO
DMA 通道:NO外部数据总线宽度:
JESD-30 代码:R-PDIP-T40JESD-609代码:e3
长度:52.2 mmI/O 线路数量:17
端子数量:40最高工作温度:70 °C
最低工作温度:PWM 通道:YES
封装主体材料:PLASTIC/EPOXY封装代码:DIP
封装形状:RECTANGULAR封装形式:IN-LINE
认证状态:Not QualifiedROM可编程性:MROM
座面最大高度:5.334 mm速度:20 MHz
最大供电电压:5.5 V最小供电电压:4.5 V
标称供电电压:5 V表面贴装:NO
技术:CMOS温度等级:COMMERCIAL
端子面层:MATTE TIN端子形式:THROUGH-HOLE
端子节距:2.54 mm端子位置:DUAL
宽度:15.24 mmuPs/uCs/外围集成电路类型:MICROCONTROLLER

W78C354 数据手册

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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 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)  
Publication Release Date: October 1996  
- 1 -  
Revision A1  

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