ATtiny417/814/816/817

36.11 TCD

Operating conditions:

CLK_TCD frequencies above maximum CLK_TCD_SYNC must be prescaled with the Synchronization Prescaler (SYNCPRES in TCDn.CTRLA), so the synchronizer clock meets these specifications

Table 36-17. Timer/Counter D Maximum Frequency⁽¹⁾
Symbol	Description	Condition		Max.	Unit
f_{CLK_TCD_SYNC}	CLK_TCD_SYNC maximum frequencies	V_DD = [1.8, 5.5]V	T_A = [-40, 125]°C	8	MHz
		V_DD = [2.7, 5.5]V	T_A = [-40, 125]°C	16
		V_DD = [4.5, 5.5]V	T_A = [-40, 105]°C	32
		V_DD = [4.5, 5.5]V	T_A = [-40, 125]°C	20

Note:

These parameters are for design guidance only and are not covered by production test limits.

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