Microchip AT91M55800A-33AU, 32 bit ARM, AT91 Microcontroller, 33 MHz, 8kB FLASH, 176-Pin LQFP - pack size 40 units
Microchip AT91M55800A-33AU, 32 bit ARM, AT91 Microcontroller, 33 MHz, 8kB FLASH, 176-Pin LQFP - pack size 40 units
MPN:
RS-ID: SKU:177-3419
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Description
The AT91M55800A is a member of the Atmel AT91 16/32-bit microcontroller family, which is based on the ARM7TDMI processor core. This processor has a high-perfor- mance 32-bit RISC architecture with a high-density 16-bit instruction set and very low power consumption. In addition, a large number of internally banked registers result in very fast exception handling, making the device ideal for real-time control applications.Utilizes the ARM7TDMI ® ARM® Thumb® Processor Core High-performance 32-bit RISC Architecture High-density 16-bit Instruction Set Leader in MIPS/Watt EmbeddedICE™ (In-Circuit Emulation) 8K Bytes Internal SRAM Fully-programmable External Bus Interface (EBI) Maximum External Address Space of 128M Bytes Eight Chip Selects Software Programmable 8/16-bit
Technical data
| Characteristic | Value |
|---|---|
| Series | AT91 |
| Product Type | Microcontroller |
| Package Type | LQFP |
| Mount Type | Surface |
| Pin Count | 176 |
| Device Core | ARM |
| Data Bus Width | 32bit |
| Interface Type | UART, SPI |
| Program Memory Size | 8kB |
| Maximum Clock Frequency | 33MHz |
| RAM Size | 8kB |
| Maximum Supply Voltage | 5.5V |
| Minimum Operating Temperature | -40°C |
| Maximum Operating Temperature | 85°C |
| Height | 1.4mm |
| Width | 24mm |
| Length | 24mm |
| Number of Programmable I/Os | 55 |
| DACs | 2 x 10 Bit |
| Standards/Approvals | No |
| Minimum Supply Voltage | 1.8V |
| Automotive Standard | No |
| ADCs | 8 x 10 Bit |
| Number of Timers | 3 |
| Instruction Set Architecture | RISC |
| Program Memory Type | FLASH |
Datasheet
Manufacturer
Microchip
Weight
10.000 G
Pack Size
1 pu = 40 units
Base Unit of Measure
PCE
Shipping
Expected availability from RS: currently unavailable

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