58.6.6 Synchronous Serial Controller (SSC)
Timings are given in the following domains:
- 1.8V domain: VDDIO from 1.7V to 1.95V, maximum external capacitor = 15 pF, DRV = 1, SR = 1
- 3.3V domain: VDDIO from 3.00V to 3.6V, maximum external capacitor = 15 pF, DRV = 0, SR = 1
Symbol | Power supply | Conditions | 1.8V | 3.3V | Unit | ||
---|---|---|---|---|---|---|---|
Parameter | Min | Max | Min | Max | |||
Transmitter | |||||||
SSC0 | TK edge to TF/TD (TK output, TF output) | – | 0 | 3.8 | 0 | 5.5 | ns |
SSC1 | TK edge to TF/TD (TK input, TF output) | – | 3.1 | 14.4 | 2.5 | 13.8 | ns |
SSC2 | TF setup time before TK edge (TK output) | – | 12.8 | – | 12.3 | – | ns |
SSC3 | TF hold time after TK edge (TK output) | – | 0 | – | 0 | – | ns |
SSC4 | TK edge to TF/TD (TK output, TF input) | – | 0 | 3.8 | 0 | 5.5 | ns |
STTDLY = 0 START = 4, 5 or 7 | 2 × tCPMCK | 3.8 + (2 × tCPMCK) | 2 × tCPMCK | 5.5 + (2 × tCPMCK) | ns | ||
SSC5 | TF setup time before TK edge (TK input) | – | 0 | – | 0 | – | ns |
SSC6 | TF hold time after TK edge (TK input) | – | tCPMCK | – | tCPMCK | – | ns |
SSC7 | TK edge to TF/TD (TK input, TF input) | – | 3.1 | 14.3 | 2.5 | 13.8 | ns |
STTDLY = 0 START = 4, 5 or 7 | 3.1 + (3 × tCPMCK) | 14.3 + (3 × tCPMCK) | 2.5 + (3 × tCPMCK) | 13.8 + (3 × tCPMCK) | ns | ||
SSC14 | TK low or high time(1) |
VTK > VIH or VTK < VIL |
3 x tCPMCK + 1.5 | – | 3 x tCPMCK + 1.7 | – | ns |
SSC15 | TK rise time or fall time(1) | 10% to 90% | – | 10 | – | 10 | ns |
Receiver | |||||||
SSC8 | RF/RD setup time before RK edge (RK input) | – | 0 | – | 0 | – | ns |
SSC9 | RF/RD hold time after RK edge (RK input) | – | tCPMCK | – | tCPMCK | – | ns |
SSC10 | RK edge to RF (RK input) | – | 3.5 | 15.8 | 3.0 | 15.2 | ns |
SSC11 | RF/RD setup time before RK edge (RK output) | – | 13.3 - tCPMCK | – | 12.8 - tCPMCK | – | ns |
SSC12 | RF/RD hold time after RK edge (RK output) | – | tCPMCK | – | tCPMCK | – | ns |
SSC13 | RK edge to RF (RK output) | – | 0 | 4.9 | 0 | 6.5 | ns |
Note:
- SSC14 and SSC15 apply to RK when RK is selected instead of TK (SSC_TCMR.CKS = RK).
- The data provided in this table are extracted from circuit simulation results.