W78C438
The W78C438 MCU is a 12T 8051 MCU operating at 4.5V ~ 5.5V and 0 ℃ ~ 70 ℃, and provides one UART and external bus interface. Package type is QFP100.
Target Application:
Security/Alarm, UI, Power Management, 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 | ||
| - | External Bus Interface ( EBI ) for external memory-mapped device access | ||
| - | 256B of SRAM | ||
| • | Connectivity | ||
| - | One UART | ||