JAJSV04 July 2024
ADVANCE INFORMATION
DEVICE MODE | TXD INPUTS(1) | BUS OUTPUTS | DRIVEN BUS STATE(2) | |
---|---|---|---|---|
CANH | CANL | |||
Normal | Low | High | Low | Dominant |
High or Open | High impedance | High impedance | VCC/2 | |
Silent | x | High impedance | High impedance | VCC/2 |
Standby | x | High impedance | High impedance | Autonomous biasing |
Sleep | x | High impedance | High impedance | Autonomous biasing |
DEVICE MODE | CAN DIFFERENTIAL INPUTS VID = VCANH – VCANL | BUS STATE | RXD TERMINAL |
---|---|---|---|
Normal / Silent | VID ≥ 0.9 V | Dominant | Low |
0.5 V < VID < 0.9 V | Indeterminate | Indeterminate | |
VID ≤ 0.5 V | Recessive | High | |
Open (VID ≈ 0 V) | Open | High | |
Standby | VID ≥ 1.15 V | Dominant | High Low if wake-up event persists |
0.4 V < VID < 1.15 V | Indeterminate | ||
VID ≤ 0.4 | Recessive | ||
Open (VID ≈ 0 V) | Open | ||
Sleep / Go-to-sleep(1) | VID ≥ 1.15 V | Dominant | High Tri-state if VIO or VSUP are not present |
0.4 V < VID < 1.15 V | Indeterminate | ||
VID ≤ 0.4 V | Recessive | ||
Open (VID ≈ 0 V) | Open |