57.13.1.3 I/O Characteristics
Criteria used to define the maximum frequency of the I/Os are as follows:
- Output duty cycle (40%-60%)
- Minimum output swing: 100 mV to VDDIO - 100 mV
- Addition of rising and falling time inferior to 75% of the period
| Symbol | Parameter | Conditions | Min. | Max. | Unit | ||
|---|---|---|---|---|---|---|---|
| Load | VDDIO | Drive Level | |||||
| FreqMax1 | Pin Group 1(1) Maximum output frequency | 10 pF | 3.0V | Low | – | 65 | MHz |
| High | – | 115 | |||||
| 25 pF | Low | – | 28 | ||||
| High | – | 55 | |||||
| PulseminH1 | Pin Group 1(1) High Level Pulse Width | 10 pF | 3.0V | High | 6.1 | 9.2 | ns |
| PulseminL1 | Pin Group 1 (1) Low Level Pulse Width | 10 pF | 3.0V | High | 6.1 | 9.2 | ns |
| FreqMax2 | Pin Group 2(2)Maximum output frequency | 10 pF | 3.0V | High | – | 125 | MHz |
| Low | – | 100 | |||||
| PulseminH2 | Pin Group 2(2) High Level Pulse Width | 10 pF | 3.0V | High | 3.4 | 4.1 | ns |
| PulseminL2 | Pin Group 2 (2) Low Level Pulse Width | 10 pF | 3.0V | High | 3.4 | 4.1 | ns |
| FreqMax3 | Pin Group 3(3) Maximum output frequency | 30 pF | 3.0V | High | – | 75 | MHz |
| Low | – | 50 | |||||
| PulseminH3 | Pin Group 3(3) High Level Pulse Width | 30 pF | 3.0V | High | 6.0 | 7.3 | ns |
| PulseminL3 | Pin Group 3 (3) Low Level Pulse Width | 30 pF | High | 6.0 | 7.3 | ns | |
| FreqMax4 | Pin Group 4(4) Maximum output frequency | 40 pF | 3.0V | – | – | 51 | MHz |
| PulseminH4 | Pin Group 4(4) High Level Pulse Width | 40 pF | 3.0V | – | 7.8 | 11.2 | ns |
| PulseminL4 | Pin Group 4(4) Low Level Pulse Width | 40 pF | 3.0V | – | 7.8 | 11.2 | ns |
Note:
- Pin Group 1 = GPIO, CLOCK
- Pin Group 2 = GPIO_CLK
- Pin Group 3 = GPIO_AD
- Pin Group 4 = GPIO_MLB
