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ZHCSO46 December 2021 TCAN1057AEV-Q1

PRODUCTION DATA

The digital input and output levels for the device are CMOS levels with respect to V_IO.

Table 8-4 Driver Function Table

Device Mode	TXD Input⁽¹⁾	Bus Outputs		Driven Bus State⁽²⁾
Device Mode	TXD Input⁽¹⁾	CANH	CANL	Driven Bus State⁽²⁾
Normal	Low	High	Low	Dominant
Normal	High or open	High impedance	High impedance	Biased recessive
Silent	X	High impedance	High impedance	Biased recessive

(1) X = irrelevant

(2) For bus state see Figure 8-1

Table 8-5 Receiver Function Table Normal and Silent Mode

Device Mode	CAN Differential Inputs V_ID = V_CANH – V_CANL	Bus State	RXD Pin
Normal or Silent	V_ID ≥ 0.9 V	Dominant	Low
	0.5 V < V_ID < 0.9 V	Undefined	Undefined
	V_ID ≤ 0.5 V	Recessive	High
Any	Open (V_ID ≈ 0 V)	Open	High