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W78E858A
The W78E858A MCU is a pin-compatible with traditional 12T 8051 and operating at 4.5V ~ 5.5V, and provides 10 INTs, 128B EEPROM and PWM. Package types include PLCC44, PQFP44 and DIP40.
Target Application:
Security/Alarm, Bar Code Reader, KVM, Key Phone, UI, IPC, etc.
Key Features:
| • | Core | ||
| - | 12T 8051 processor | ||
| - | Max frequency of 40 MHz | ||
| - | Operating voltage: 4.5V to 5.5V | ||
| - | Temperature range: 0 ℃ ~ 70 ℃ | ||
| • | Memory | ||
| - | 32 KB of flash memory | ||
| - | 256 + 512B of SRAM | ||
| - | 128B EEPROM | ||
| - | ISP ( In-System Programming ) | ||
| • | Pulse-width Modulation ( PWM ) | ||
| - | 4 channels | ||
| - | 8-bit resolution | ||
| • | Connectivity | ||
| - | One UART | ||