AT89S2051
| Key | Value |
|---|
| Flash (kBytes): | 2 kBytes |
|---|
| Pin Count: | 20 |
|---|
| Max. Operating Freq. (MHz): | 24 MHz |
|---|
| CPU: | 8051-12C |
|---|
| Max I/O Pins: | 15 |
|---|
| UART: | 1 |
|---|
| SRAM (kBytes): | 0.25 |
|---|
| Operating Voltage (Vcc): | 2.7 to 5.5 |
|---|
| Timers: | 2 |
|---|
| ISP: | SPI |
|---|
Low-power, high-performance CMOS 8-bit microcontroller with 2KB ISP flash memory. The device uses Atmel high-density nonvolatile memory technology and is compatible with the industry-standard MCS®-51 instruction set.
An enhanced CPU core can fetch a single byte from memory every clock cycle and is capable of 20-MIPS throughput. The new CPU core runs at a much lower speed, greatly reducing power consumption.
Ordering Code 订购信息| 订购码 | 封装 | 操作范围 | 载体类型 |
|---|
| AT89S2051-24PU | PDIP 20P3 20 | Industrial (A) (-40°C to 85°C) | |
| AT89S2051-24SU | SOIC 20S2 20 | Industrial (A) (-40°C to 85°C) | |
DataSheet 数据手册
Application Note
- Analyzing the Behavior of an Oscillator and Ensuring Good Start-up(文件大小: 252537, 16 页数, 更新时间: 07/2004)
- AT89C51RE2 code banking and bank switching with Keil µVision(文件大小: 198187, 14 页数, 修订版 B, 更新时间: 03/2007)
- AT89S8253 Primer(文件大小: 261968, 20 页数, 修订版 B, 更新时间: 03/2007)
- Atmel AT06015: Production Programming of Atmel Microcontrollers(文件大小: 420KB, 10 页数, 修订版 D, 更新时间: 10/2016)
- C51 General Information about Bootloader and In-System Programming(文件大小: 77153, 5 页数, 修订版 A, 更新时间: 03/2007)
- Design Guide for Atmel 8051 Standard Devices(文件大小: 245406, 21 页数, 修订版 A, 更新时间: 11/2007)
- Flash API for AT89C51RE2(文件大小: 6458, 4 页数, 修订版 A, 更新时间: 04/2007)
Flash API for AT89C51RE2 - Migrating from AT89C2051/C4051 to AT89S2051/S4051(文件大小: 84966, 4 页数, 修订版 A, 更新时间: 05/2005)
- Migrating from AT89C51/C52 to AT89S51/S52(文件大小: 43566, 3 页数, 修订版 A, 更新时间: 06/2004)
- Migrating from AT89S52 to AT89LP52(文件大小: 385731, 24 页数, 修订版 A, 更新时间: 09/2010)
- Migrating from AT89S8252/S53 to AT89S8253(文件大小: 136879, 7 页数, 修订版 E, 更新时间: 10/2005)
- Migrating from Philips: P89C51RB2, P89C51RC2, P89C51RD2, P89C660, P89C662, P89C664 to Atmel: AT89C5(文件大小: 280432, 30 页数, 修订版 A, 更新时间: 04/2006)
- Migration from AT89C51RD2/ED2/ID2 to AT89C51RE2(文件大小: 85656, 8 页数, 修订版 B, 更新时间: 03/2007)
- Migration from OTP 8051 to Flash 8051(文件大小: 212861, 9 页数, 修订版 B, 更新时间: 12/2002)
- Program Examples for 8051 ADC(文件大小: 166593, 22 页数, 修订版 B, 更新时间: 10/2004)
- Program Examples for 8051 Flash API(文件大小: 179409, 21 页数, 更新时间: 07/2004)
- Program Examples for 8051 Keyboard and Watchdog(文件大小: 165975, 20 页数, 修订版 A, 更新时间: 07/2004)
- Program Examples for 8051 SPI(文件大小: 220918, 26 页数, 修订版 A, 更新时间: 06/2004)
- Program Examples for 8051 Timers(文件大小: 680364, 88 页数, 修订版 A, 更新时间: 06/2004)
- Program Examples for 8051 TWI(文件大小: 168125, 26 页数, 修订版 A, 更新时间: 07/2004)
- Program Examples for 8051 UART(文件大小: 194924, 26 页数, 修订版 A, 更新时间: 06/2004)
- A Digital Thermometer Using the AT89LP2052 MCU(文件大小: 2545, 5 页数, 修订版 B, 更新时间: 06/2011)
A Digital Thermometer Using the AT89LP2052 MCU - Analog-to-Digital Conversion Utilizing AT89LP MCU without ADC(文件大小: 9177, 10 页数, 修订版 B, 更新时间: 06/2011)
Analog-to-Digital Conversion Utilizing AT89LP MCU without ADC - AT89ISP Programmer Cable(文件大小: 101003, 4 页数, 修订版 E, 更新时间: 10/2006)
AT89ISP Programmer Cable - AT89S8252 In-System Programming(38 页数, 更新时间: 12/1997)
AT89S8252 In-System Programming - AT89S8252 Primer(13 页数, 更新时间: 03/1998)
- C Flash Drivers for the (A)T89C51RB2/RC2/IC2 for Keil Compiler rev 1.2.1(11 页数, 更新时间: 12/2001)
C Flash Drivers for the (A)T89C51RB2/RC2/IC2 for Keil Compiler rev 1.2.1 - C Flash Drivers for the T89C5115 for Keil Compilers rev 1.2.0(13 页数, 更新时间: 11/2003)
C Flash Drivers for the T89C5115 for Keil Compilers rev 1.2.0 - C Flash Drivers for the T89C51AC2 for Keil Compilers rev 1.2.0(13 页数, 更新时间: 11/2003)
C Flash Drivers for the T89C51AC2 for Keil Compilers rev 1.2.0 - C Flash Drivers for the T89C51RD2 for Keil Compiler(文件大小: 11785, 24 页数, 更新时间: 03/2001)
C Flash Drivers for the T89C51RD2 for Keil Compiler - Controlling FPGA Configuration with a Flash-based Microcontroller(7 页数, 修订版 B, 更新时间: 12/1997)
Controlling FPGA Configuration with a Flash-based Microcontroller - Driving Unipolar Stepper Motors Using 8051(文件大小: 460186, 15 页数, 修订版 B, 更新时间: 12/2002)
- EMC Improvement Guidelines(17 页数, 修订版 B, 更新时间: 08/2003)
- External Brown-out Protection for C51 Microcontrollers with Active High Reset Input(文件大小: 503373, 15 页数, 更新时间: 11/2002)
- Guidelines to Keep ADC Resolution within Specification(文件大小: 315016, 19 页数, 修订版 B, 更新时间: 08/2003)
- How to Calculate the Capacitor of the Reset Input of an 8051 Microcontroller(文件大小: 57856, 8 页数, 修订版 A, 更新时间: 10/2003)
How to Calculate the Capacitor of the Reset Input of an 8051 Microcontroller - How to Emulate Read/Write Code Access to Atmel T89C51xx Using Hitex DProbeHS Emulator(文件大小: 132416, 13 页数, 修订版 A, 更新时间: 05/2002)
How to Emulate Read/Write Code Access to Atmel T89C51xx Using Hitex DProbeHS Emulator - In-system Programming with C51 MCU and External Flash(文件大小: 7313, 24 页数, 修订版 A, 更新时间: 01/2000)
In-system Programming with C51 MCU and External Flash - Interfacing AT24CXX Serial EEPROMs with AT89LP MCUs(文件大小: 6161, 4 页数, 修订版 F, 更新时间: 06/2011)
Interfacing AT24CXX Serial EEPROMs with AT89LP MCUs - Interfacing AT25CXXX Serial EEPROMs with AT89LP MCUs(文件大小: 6719, 3 页数, 修订版 D, 更新时间: 06/2011)
Interfacing AT25CXXX Serial EEPROMs with AT89LP MCUs - Interfacing AT93CXXX Serial EEPROMs with AT89LP MCUs(文件大小: 5943, 3 页数, 修订版 D, 更新时间: 06/2011)
Interfacing AT93CXXX Serial EEPROMs with AT89LP MCUs - Keypad decoding technique using TSC80251G1(文件大小: 7891, 18 页数, 修订版 A, 更新时间: 04/1998)
Keypad decoding technique using TSC80251G1 - Migration from T89C51RD2 to AT89C51RD2/ED2(文件大小: 218828, 16 页数, 修订版 B, 更新时间: 06/2003)
- PC-Interfaced Data Aquisition System with the Atmel AT89C2051 Microcontroller(19 页数, 修订版 A, 更新时间: 11/2003)
- Programming T89C51xx and AT89C51xx with Device Programmers(文件大小: 219984, 13 页数, 修订版 D, 更新时间: 06/2005)
- Programming the Atmel Family of Flash Memories(4 页数, 修订版 B, 更新时间: 12/1997)
Programming the Atmel Family of Flash Memories - Two-Wire Peripheral Expansion for the AT89LP2052 MCU(文件大小: 5096, 13 页数, 修订版 B, 更新时间: 06/2011)
Two-Wire Peripheral Expansion for the AT89LP2052 MCU
Brochures and Flyers
Other
- Best practices for the PCB layout of Oscillators(文件大小: 92401, 4 页数, 修订版 A, 更新时间: 03/2008)
- Calculation tool for setting Timers, UART, parameters in 80C51 Microcontrollers(文件大小: 19234, 更新时间: 06/2007)
- Hardware Connections for C51 Microcontrollers(文件大小: 44518, 4 页数, 更新时间: 07/2004)
- NXP Flash MCU to Atmel Flash MCU Cross Reference(文件大小: 87KB, 4 页数, 更新时间: 07/2012)
- NXP Flash MCU to Atmel Flash MCU Devices, Non-Direct Replacements(文件大小: 41KB, 2 页数, 更新时间: 07/2012)
- Tables for setting UART parameters in 80C51 Microcontrollers(文件大小: 27648, 修订版 B, 更新时间: 01/2005)
- Device Programmers for 8051 Devices(文件大小: 432128, 更新时间: 09/2007)
- Emulators for 80C51 Devices(文件大小: 148480, 更新时间: 11/2003)
- Package Adapters of 80C51 Devices(文件大小: 32768, 更新时间: 10/2004)
User Guide
