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
Table 57-53. I/O Characteristics
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:
  1. Pin Group 1 = GPIO, CLOCK
  2. Pin Group 2 = GPIO_CLK
  3. Pin Group 3 = GPIO_AD
  4. Pin Group 4 = GPIO_MLB