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參數資料
| 型號： | W78CE354P |
| 廠商： | WINBOND ELECTRONICS CORP |
| 英文描述： | MONITOR MICROCONTROLLER |
| 中文描述： | 顯示器單片機 |
| 文件頁數： | 1/44頁 |
| 文件大小： | 426K |
| 代理商： | W78CE354P |
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Preliminary W78C354
MONITOR MICROCONTROLLER
Publication Release Date: October 1996
- 1 -
Revision A1
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 I
2
C 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 I
2
C port
One DDC port (master/slave mode I
2
C, 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)
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