89C51
Description
The 89C51/89C52/89C54/89C58 contain a non-volatile FLASH program memory that is parallel programmable. For devices that are serial programmable (In System Programmable (ISP) with a boot loader), see the 89C51RC+/89C51RD+ datasheet.
Key Features
- 80C51 Central Processing Unit
- On-chip FLASH Program Memory
- Speed up to 33 MHz
- Full static operation
- RAM expandable externally to 64 k bytes
- 4 level priority interrupt
- 6 interrupt sources
- Four 8-bit I/O ports
- Full-duplex enhanced UART - Framing error detection - Automatic address recognition Multi-Time Programmable (MTP) devices: 89C51 4k 89C52/54/58 8 k/16 k/32 k 89C51RC+ 32 k 89C51RD+ 64 k 1024 Yes Yes 512 Yes Yes 256 No No Serial In-System Programmable devices: 128 No No
- Power control modes - Clock can be stopped and resumed - Idle mode - Power down mode