41.4.14 EUSART Synchronous Transmission Requirements

Table 41-20. 
Standard Operating Conditions (unless otherwise stated)
Param. No. Sym. Characteristic Min. Max. Units Conditions
US120 TCKH2DTV

SYNC XMIT (Host and Client)

Clock high to data-out valid

 — 80 ns 3.0V ≤ VDD ≤ 5.5V
— 100 ns 1.8V ≤ VDD ≤ 5.5V
US121 TCKRF

Clock out rise time and fall time

(Host mode)

 — 45 ns 3.0V ≤ VDD ≤ 5.5V
— 50 ns 1.8V ≤ VDD ≤ 5.5V
US122 TDTRF Data-out rise time and fall time — 45 ns 3.0V ≤ VDD ≤ 5.5V
— 50 ns 1.8V ≤ VDD ≤ 5.5V
Figure 41-13. EUSART Synchronous Transmission (Host/Client) Timing
Note: Refer to the “Load Conditions” figure for load conditions.