Allicdata Part #: | AT89S8253-24PU-ND |
Manufacturer Part#: |
AT89S8253-24PU |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Microchip Technology |
Short Description: | IC MCU 8BIT 12KB FLASH 40DIP8051 89S Microcontroll... |
More Detail: | N/A |
DataSheet: | AT89S8253-24PU Datasheet/PDF |
Quantity: | 37 |
Series: | 89S |
Packaging: | Tube |
Part Status: | Active |
Applications: | -- |
Core Processor: | 8051 |
Core Size: | 8-Bit |
Speed: | 24MHz |
Controller Series: | -- |
Connectivity: | SPI, UART/USART |
Peripherals: | POR, WDT |
Interface: | SPI, UART |
Number of I/O: | 32 |
Program Memory Size: | 12KB (12K x 8) |
Voltage - Supply: | 2.7V ~ 5.5V |
Program Memory Type: | FLASH |
EEPROM Size: | 2K x 8 |
Mounting Type: | Through Hole |
RAM Size: | 256 x 8 |
Voltage - Supply (Vcc/Vdd): | 2.7 V ~ 5.5 V |
Data Converters: | -- |
Oscillator Type: | External |
Operating Temperature: | -40°C ~ 85°C (TA) |
Package / Case: | 40-DIP (0.600", 15.24mm) |
Supplier Device Package: | 40-PDIP |
Base Part Number: | AT89S8253 |
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1. Description
The AT89S8253-24PU is a low-power, high-performance CMOS 8-bit microcontroller with 12K bytes of In-System Programmable (ISP) Flash program memory and 2K bytes of EEPROM data memory. The device is manufactured using Atmel’s high-density nonvolatile memory technology and is compatible with the industry-standard MCS-51 instruction set and pinout. The on-chip downloadable Flash allows the program memory to be reprogrammed in-system through an SPI serial interface or by a conventional nonvolatile memory programmer. By combining a versatile 8-bit CPU with downloadable Flash on a monolithic chip, the Atmel AT89S8253 is a powerful microcontroller which provides a highly-flexible and cost-effective solution to many embedded control applications. The AT89S8253-24PU provides the following standard features: 12K bytes of In-System Programmable Flash, 2K bytes of EEPROM, 256 bytes of RAM, 32 I/O lines, programmable watchdog timer, two data pointers, three 16-bit timer/counters, a six-vector, four-level interrupt architecture, a full duplex serial port, on-chip oscillator, and clock circuitry. In addition, the AT89S8253 is designed with static logic for operation down to zero frequency and supports two software selectable power saving modes. The Idle Mode stops the CPU while allowing the RAM, timer/counters, serial port, and interrupt system to continue functioning. The Power-down mode saves the RAM contents but freezes the oscillator, disabling all other chip functions until the next external interrupt or hardware reset. The on-board Flash/EEPROM is accessible through the SPI serial interface. Holding RESET active forces the SPI bus into a serial programming interface and allows the program memory to be written to or read from, unless one or more lock bits have been activated.
2. Features
1. Compatible with MCS®51 Products
2. 12K Bytes of In-System Programmable (ISP) Flash Program Memory
– SPI Serial Interface for Program Downloading
– Endurance: 10,000 Write/Erase Cycles
3. 2K Bytes EEPROM Data Memory
– Endurance: 100,000 Write/Erase Cycles
4. 64-byte User Signature Array
5. 2.7V to 5.5V Operating Range
6. Fully Static Operation: 0 Hz to 24 MHz (in x1 and x2 Modes)
7. Three-level Program Memory Lock
8. 256 x 8-bit Internal RAM
9. 32 Programmable I/O Lines
10. Three 16-bit Timer/Counters
11. Nine Interrupt Sources
12. Enhanced UART Serial Port with Framing Error Detection and Automatic Address Recognition
13. Enhanced SPI (Double Write/Read Buffered) Serial Interface
14. Low-power Idle and Power-down Modes
15. Interrupt Recovery from Power-down Mode
16. Programmable Watchdog Timer
17. Dual Data Pointer
18. Power-off Flag
19. Flexible ISP Programming (Byte and Page Modes)
– Page Mode: 64 Bytes/Page for Code Memory, 32 Bytes/Page for Data Memory
20. Four-level Enhanced Interrupt Controller
21. Programmable and Fuseable x2 Clock Option
22. Internal Power-on Reset
23. 42-pin PDIP Package Option for Reduced EMC Emission
24. Green (Pb/Halide-free) Packaging Option
3. Pin Configurations
4. Package Information
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