| Family Name |
MCF521x |
| Data Bus Width (bit) |
32 |
| Device Core |
ColdFire |
| Instruction Set Architecture |
RISC |
| Maximum Clock Rate (MHz) |
66 |
| Program Memory Type |
Flash |
| Program Memory Size |
256KB |
| RAM Size |
32KB |
| Maximum Expanded Memory Size |
4GB |
| Maximum CPU Frequency (MHz) |
66 |
| Number of Programmable I/Os |
55 |
| Number of Timers |
4 |
| ADC Channels |
8/8 |
| ADC Resolution (bit) |
10/10 |
| Core Architecture |
ColdFire |
| Number of ADCs |
Single |
| PWM |
1 |
| Watchdog |
1 |
| Parallel Master Port |
No |
| Real Time Clock |
Yes |
| Interface Type |
CAN/SPI/I2S/TWI/USART/USB |
| Programmability |
Yes |
| SPI |
1 |
| I2C |
0 |
| I2S |
1 |
| UART |
0 |
| USART |
1 |
| CAN |
1 |
| USB |
1 |
| Ethernet |
0 |
| Minimum Operating Supply Voltage (V) |
3 |
| Typical Operating Supply Voltage (V) |
3.3 |
| Maximum Operating Supply Voltage (V) |
3.6 |
| Minimum Operating Temperature (°C) |
-40 |
| Maximum Operating Temperature (°C) |
85 |
| Temperature Flag |
Opr |
| Operating Supply Voltage (V) |
3.3 |
| Maximum Storage Temperature (°C) |
150 |
| Minimum Storage Temperature (°C) |
-65 |