43.24 SERCOM Inter-Integrated Circuit (SERCOM I2C) Electrical Specifications

Figure 43-10. I2C Start/Stop Bits Host Mode Timing Diagrams
Figure 43-11. I2C Bus Data Host Mode Timing Diagrams
Table 43-34. I2C Host Mode Electrical Specifications
AC CHARACTERISTICS_ Standard Operating Conditions: VDD and VDDIO 2.7V to 5.5V (unless otherwise stated)

Operating temperature: -40°C ≤ TA ≤ +85°C for Industrial
Param. No. Symbol Characteristics(1) Min. Max. Units Conditions
I2CM_1 TL0:SCL Host Clock Low Time 100 kHz mode 4.7 — µs VDDIO = 5.0V, IPULL-UP = 3ma,

CLOAD = 400 pF
400 kHz mode 1.3 — µs
1 MHz mode 0.5 — µs VDDIO = 5.0V, IPULL-UP = 20 ma,

CLOAD = 550 pF
3.4 MHz mode 160 — ns VDDIO = 5.0V, IPULL-UP = 20 ma,

CLOAD = 100 pF
I2CM_3 THI:SCL Host Clock High Time 100 kHz mode 4 — µs VDDIO = 5.0V, IPULL-UP = 3 ma,

CLOAD = 400 pF
400 kHz mode 0.6 — µs
1 MHz mode 0.26 — µs VDDIO = 5.0V, IPULL-UP = 20 ma,

CLOAD= 550 pF
3.4 MHz mode 60 — ns VDDIO = 5.0V, IPULL-UP = 20 ma,

CLOAD = 100 pF
I2CM_5 TF:SCL SDAx and SCLx Fall Time 100 kHz mode — 300 ns VDDIO = 5.0V, IPULL-UP = 3 ma,

CLOAD = 400 pF
400 kHz mode — 300 ns
1 MHz mode — 120 ns VDDIO = 5.0V, IPULL-UP = 20 ma,

CLOAD = 550 pF
3.4 MHz mode — 40 ns VDDIO = 5.0V, IPULL-UP = 20 ma,

CLOAD = 100 pF
I2CM_7 TR:SCL SDAx and SCLx Rise Time 100 kHz mode — 1000 ns VDDIO = 5.0V, IPULL-UP = 3 ma,

CLOAD = 400 pF
400 kHz mode — 300 ns
1 MHz mode — 120 ns VDDIO = 5.0V, IPULL-UP = 20 ma,

CLOAD = 550 pF
3.4 MHz mode — 40 ns VDDIO = 5.0V, IPULL-UP = 20 ma,

CLOAD = 100 pF
I2CM_9 TSU:DAT Data Input Setup Time 100 kHz mode 250 — ns VDDIO = 5.0V, IPULL-UP = 3 ma,

CLOAD= 400 pF
400 kHz mode 100 — ns
1 MHz mode 50 — ns VDDIO = 5.0V, IPULL-UP = 20 ma,

CLOAD = 550 pF
3.4 MHz mode 10 — ns VDDIO = 5.0V, IPULL-UP = 20 ma,

CLOAD = 100 pF
I2CM_11 THD:DAT Data Input Hold Time 100 kHz mode 300 — ns VDDIO = 5.0V, IPULL-UP = 3 ma,

CLOAD = 400 pF
400 kHz mode 300 — ns
1 MHz mode 300 — ns VDDIO = 5.0V, IPULL-UP = 20 ma,

CLOAD = 550 pF
3.4 MHz mode 5 — ns VDDIO = 5.0V, IPULL-UP = 20 ma,

CLOAD = 100 pF
I2CM_13 TSU:STA Start Condition Setup Time 100 kHz mode 4.7 — µs VDDIO = 5.0V, IPULL-UP = 3 ma,

CLOAD = 400 pF
400 kHz mode 0.6 — µs
1 MHz mode 260 — ns VDDIO = 5.0V, IPULL-UP = 20 ma,

CLOAD = 550 pF
3.4 MHz mode 160 — ns VDDIO = 5.0V, IPULL-UP = 20 ma,

CLOAD = 100 pF
I2CM_15 THD:STA Start Condition Hold Time 100 kHz mode 4 — µs VDDIO = 5.0V, IPULL-UP = 3 ma,

CLOAD = 400 pF
400 kHz mode 0.6 — µs
1 MHz mode 260 — ns VDDIO = 5.0V, IPULL-UP = 20 ma,

CLOAD = 550 pF
3.4 MHz mode 160 — ns VDDIO = 5.0V, IPULL-UP = 20 ma,

CLOAD = 100 pF
I2CM_17 TSU:ST0 Stop Condition Setup Time 100 kHz mode 4 — µs VDDIO = 5.0V, IPULL-UP = 3 ma,

CLOAD = 400 pF
400 kHz mode 0.6 — µs
1 MHz mode 260 — ns VDDIO = 5.0V, IPULL-UP = 20 ma,

CLOAD = 550 pF
3.4 MHz mode 160 — ns VDDIO = 5.0V, IPULL-UP = 20 ma,

CLOAD = 100 pF
I2CM_21 TAA:SCL 0utput Valid from Clock 100 kHz mode — 3.45 ns VDDIO = 5.0V, IPULL-UP = 3ma,

CLOAD = 400 pF
400 kHz mode — 0.9 ns
1 MHz mode — 0.45 ns VDDIO = 5.0V, IPULL-UP = 20 ma,

CLOAD = 550 pF
3.4 MHz mode — 100 ns VDDIO = 5.0V, IPULL-UP = 20 ma,

CLOAD = 100 pF
I2CM_23 TBF:SDA Bus Free Time (1) 100 kHz mode 4.7 — µs VDDIO = 5.0V, IPULL-UP = 3 ma,

CLOAD = 400 pF
400 kHz mode 1.3 — µs
1 MHz mode 500 — ns VDDIO = 5.0V, IPULL-UP = 20 ma,

CLOAD = 550 pF
3.4 MHz mode 160 — ns VDDIO = 5.0V, IPULL-UP = 20 ma,

CLOAD = 100 pF
Note:
  1. The amount of time the bus must be free before a new transmission can start (STOP condition to START condition).
Figure 43-12. I2C Start/Stop Bits Client Mode Timing Diagram
Figure 43-13. I2C Bus Data Client Mode Timing Diagrams
Table 43-35. I2C Client Mode Electrical Specifications
AC CHARACTERISTI2CS_ Standard Operating Conditions: VDD and VDDIO 2.7V to 5.5V (unless otherwise stated)

Operating temperature: -40°C ≤ TA ≤ +85°C for Industrial
Param. No. Symbol Characteristics(1) Min. Max. Units Conditions
I2CS_1 TL0:SCL Client Clock Low Time 100 kHz mode 4.7 — µs VDDIO = 5.0V, IPULL-UP = 3 ma,

CLOAD = 400 pF
400 kHz mode 1.3 — µs
1 MHz mode 500 — ns VDDIO = 5.0V, IPULL-UP = 20 ma,

CLOAD = 550 pF
3.4 MHz mode 160 — ns VDDIO = 5.0V, IPULL-UP = 20 ma,

CLOAD = 100 pF
I2CS_3 THI:SCL Client Clock High Time 100 kHz mode 4 — µs VDDIO = 5.0V, IPULL-UP = 3 ma,

CLOAD=400pF
400 kHz mode 0.6 — µs
1 MHz mode 260 — ns VDDIO = 5.0V, IPULL-UP = 20ma,

CLOAD=550pF
3.4 MHz mode 60 — ns VDDIO = 5.0V, IPULL-UP = 20ma,

CLOAD=100pF
I2CS_5 TF:SCL SDAx and SCLx Fall Time 100 kHz mode — 300 ns VDDIO = 5.0V, IPULL-UP = 3ma,

CLOAD=400pF
400 kHz mode — 300 ns
1 MHz mode — 120 ns VDDIO = 5.0V, IPULL-UP = 20ma,

CLOAD=550pF
3.4 MHz mode — 40 ns VDDIO = 5.0V, IPULL-UP = 20ma,

CLOAD = 100 pF
I2CS_7 TR:SCL SDAx and SCLx Rise Time 100 kHz mode — 1000 ns VDDIO = 5.0V, IPULL-UP = 3 ma,

CLOAD = 400 pF
400 kHz mode — 300 ns
1 MHz mode — 120 ns VDDIO = 5.0V, IPULL-UP = 20 ma,

CLOAD = 550 pF
3.4 MHz mode — 40 ns VDDIO = 5.0V, IPULL-UP = 20 ma,

CLOAD = 100 pF
I2CS_9 TSU:DAT Data Input Setup Time 100 kHz mode 250 — ns VDDIO = 5.0V, IPULL-UP = 3 ma,

CLOAD = 400 pF
400 kHz mode 100 — ns
1 MHz mode 50 — ns VDDIO = 5.0V, IPULL-UP = 20 ma,

CLOAD = 550 pF
3.4 MHz mode 10 — ns VDDIO = 5.0V, IPULL-UP = 20 ma,

CLOAD = 100 pF
I2CS_11 THD:DAT Data Input Hold Time 100 kHz mode 300 — ns VDDIO = 5.0V, IPULL-UP = 3 ma,

CLOAD = 400 pF
400 kHz mode 300 — ns
1 MHz mode 300 — ns VDDIO = 5.0V, IPULL-UP = 20 ma,

CLOAD = 550 pF
3.4 MHz mode 5 — ns VDDIO = 5.0V, IPULL-UP = 20 ma,

CLOAD = 100 pF
I2CS_13 TSU:STA Start Condition Setup Time 100 kHz mode 4.7 — µs VDDIO = 5.0V, IPULL-UP = 3 ma,

CLOAD = 400 pF
400 kHz mode 0.6 — µs
1 MHz mode 260 — ns VDDIO = 5.0V, IPULL-UP = 20 ma,

CLOAD = 550 pF
3.4 MHz mode 160 — ns VDDIO = 5.0V, IPULL-UP = 20 ma,

CLOAD = 100 pF
I2CS_15 THD:STA Start Condition Hold Time 100 kHz mode 4 — µs VDDIO = 5.0V, IPULL-UP = 3 ma,

CLOAD = 400 pF
400 kHz mode 0.6 — µs
1 MHz mode 260 — ns VDDIO = 5.0V, IPULL-UP = 20 ma,

CLOAD = 550 pF
3.4 MHz mode 160 — ns VDDIO = 5.0V, IPULL-UP = 20 ma,

CLOAD = 100 pF
I2CS_17 TSU:ST0 Stop Condition Setup Time 100 kHz mode 4 — µs VDDIO = 5.0V, IPULL-UP = 3 ma,

CLOAD = 400 pF
400 kHz mode 0.6 — µs
1 MHz mode 260 — ns VDDIO = 5.0V, IPULL-UP = 20 ma,

CLOAD = 550 pF
3.4 MHz mode 160 — ns VDDIO = 5.0V, IPULL-UP = 20 ma,

CLOAD = 100 pF
I2CS_21 TAA:SCL Output Valid from Clock 100 kHz mode — 3.45 ns VDDIO = 5.0V, IPULL-UP = 3 ma,

CLOAD = 400 pF
400 kHz mode — 0.9 ns
1 MHz mode — 0.45 ns VDDIO = 5.0V, IPULL-UP = 20 ma,

CLOAD = 550 pF
3.4 MHz mode — 100 ns VDDIO = 5.0V, IPULL-UP = 20 ma,

CLOAD = 100 pF
I2CS_23 TBF:SDA Bus Free Time (1) 100 kHz mode 4.7 — µs VDDIO = 5.0V, IPULL-UP = 3ma,

CLOAD=400pF
400 kHz mode 1.3 — µs
1 MHz mode 500 — ns VDDIO = 5.0V, IPULL-UP = 20 ma,

CLOAD = 550 pF
3.4 MHz mode 160 — ns VDDIO = 5.0V, IPULL-UP = 20 ma,

CLOAD=100pF
Note:
  1. The amount of time the bus must be free before a new transmission can start (STOP condition to START condition).