The AT89S51 is a low-power, high-performance CMOS 8-bit microcontroller with 4K bytes of In-System Programmable Flash memory. The device is manufactured using Atmel’s high-density nonvolatile memory technology and is compatible with the industry-standard 80C51 instruction set and pinout. The on-chip Flash allows the program memory to be reprogrammed in-syste.
• Compatible with MCS®-51 Products
• 4K Bytes of In-System Programmable (ISP) Flash Memory
– Endurance: 10,000 Write/Erase Cycles
• 4.0V to 5.5V Operating Range
• Fully Static Operation: 0 Hz to 33 MHz
• Three-level Program Memory Lock
• 128 x 8-bit Internal RAM
• 32 Programmable I/O Lines
• Two 16-bit Timer/Counters
• Six Interrupt Sources
• Full Duplex UART Serial Channel
• Low-power Idle and Power-down Modes
• Interrupt Recovery from Power-down Mode
• Watchdog Timer
• Dual Data Pointer
• Power-off Flag
• Fast Programming Time
• Flexible ISP Programming (Byte and Page Mode)
• Green (Pb/Halid.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | AT89S52 |
ATMEL |
8-bit Microcontroller | |
2 | AT89S53 |
ATMEL |
8-bit Microcontroller | |
3 | AT89S54 |
ATMEL |
8-bit Flash Microcontroller | |
4 | AT89S58 |
ATMEL |
8-bit Flash Microcontroller | |
5 | AT89S2051 |
ATMEL Corporation |
8-bit Microcontroller | |
6 | AT89S4051 |
ATMEL Corporation |
8-bit Microcontroller | |
7 | AT89S4D12 |
ATMEL Corporation |
8-Bit Microcontroller with 132K Bytes Flash Data Memory | |
8 | AT89S64 |
ATMEL |
8-bit Flash Microcontroller | |
9 | AT89S8252 |
ATMEL Corporation |
8-Bit Microcontroller with 8K Bytes Flash | |
10 | AT89S8253 |
Atmel |
8-Bit Microcontroller | |
11 | AT89SND2CMP3B |
ATMEL Corporation |
Single-Chip Flash Microcontroller | |
12 | AT892051 |
ATMEL Corporation |
8-Bit Microcontroller with 2K Bytes Flash |