16/32-bit ARM7TDMI RISC microcontroller featuring a 55 MHz clock rate and 256KB Flash program memory. This MCU offers 64KB RAM, 62 programmable I/Os, and integrated peripherals including CAN, Ethernet, SPI, TWI, USART, and USB. It operates from 1.8V with a maximum supply voltage of 1.95V and is housed in a 100-pin LQFP package (14x14x1.4mm) for surface mounting. The device includes 8 ADC channels and dual 12-bit DACs, with an operating temperature range of -40°C to 85°C.
PackageLQFP
MountingSurface Mount
Quick Jump:
Technical Specifications
Microchip AT91SAM7XC256B-AU technical specifications.
General
| Basic Package Type | Lead-Frame SMT |
| Package Family Name | QFP |
| Package/Case | LQFP |
| Package Description | Low Profile Quad Flat Package |
| Lead Shape | Gull-wing |
| Pin Count | 100 |
| PCB | 100 |
| Package Length (mm) | 14 |
| Package Width (mm) | 14 |
| Package Height (mm) | 1.4 |
| Seated Plane Height (mm) | 1.6(Max) |
| Pin Pitch (mm) | 0.5 |
| Package Material | Plastic |
| Mounting | Surface Mount |
| Jedec | MS-026BED |
| Family Name | 91S |
| Data Bus Width | 16|32bit |
| Instruction Set Architecture | RISC |
| Maximum Clock Rate | 55MHz |
| Maximum CPU Frequency | 55MHz |
| Device Core | ARM7TDMI |
| Program Memory Type | Flash |
| Program Memory Size | 256KB |
| RAM Size | 64KB |
| Number of Programmable I/Os | 62 |
| Core Architecture | ARM |
| Programmability | Yes |
| Number of Timers | 3 |
| Interface Type | CAN/Ethernet/SPI/TWI/USART/USB |
| CAN | 1 |
| I2C | 0 |
| SPI | 2 |
| Ethernet | 1 |
| UART | 0 |
| USART | 2 |
| USB | 1 |
| I2S | 0 |
| Max Operating Supply Voltage | 1.95V |
| Min Operating Temperature | -40°C |
| Max Operating Temperature | 85°C |
| ADC Channels | 8 |
| Number of ADCs | Single |
| DAC Channels | 2 |
| DAC Resolution | 12bit |
| Number of DACs | Single |
Compliance
| Cage Code | 60991 |
| EU RoHS | Yes |
| HTS Code | 8542310001 |
| Schedule B | 8542310000 |
| ECCN | 5A992.c |
| Automotive | No |
| AEC Qualified | No |
| PPAP | No |
| Radiation Hardening | No |
| RoHS Versions | 2011/65/EU, 2015/863 |
Datasheet
Microchip AT91SAM7XC256B-AU Datasheet
Download the complete datasheet for Microchip AT91SAM7XC256B-AU to view detailed technical specifications.
This datasheet cannot be embedded due to technical restrictions.