44.4.16 EUSART Synchronous Transmission Requirements

Table 44-21.
Standard Operating Conditions (unless otherwise stated)
Param No.	Sym.	Characteristic	Min.	Typ. †	Max.	Units	Conditions
US120	T_CKH2_DTV	SYNC XMIT (Host and Client) Clock high to data-out valid	—	80	—	ns	3.0V ≤ V_DD ≤ 5.5V
US120	T_CKH2_DTV	SYNC XMIT (Host and Client) Clock high to data-out valid	—	100	—	ns	1.8V ≤ V_DD ≤ 5.5V
US121	T_CKRF	Clock out rise time and fall time (Host mode)	—	45	—	ns	3.0V ≤ V_DD ≤ 5.5V
US121	T_CKRF	Clock out rise time and fall time (Host mode)	—	50	—	ns	1.8V ≤ V_DD ≤ 5.5V
US122	T_DTRF	Data-out rise time and fall time	—	45	—	ns	3.0V ≤ V_DD ≤ 5.5V
US122	T_DTRF	Data-out rise time and fall time	—	50	—	ns	1.8V ≤ V_DD ≤ 5.5V
† Data in “Typ” column is at 3.0V, 25°C unless otherwise stated. These parameters are for design guidance only and are not tested.

Figure 44-13. EUSART Synchronous Transmission (Host/Client) Timing