ZHCSL04A March 2020 – July 2020 ISO1044
PRODUCTION DATA
Table 8-2 and Table 8-3 list the driver and receiver functions. Table 8-4 lists the functional modes for the ISO1044B device.
| INPUT | OUTPUTS | DRIVEN BUS STATE | |
|---|---|---|---|
| TXD(1) | CANH(1) | CANL(1) | |
| L | H | L | Dominant |
| H | Z | Z | Recessive |
| DEVICE MODE | CAN DIFFERENTIAL INPUTS VID = VCANH – VCANL(3) | BUS STATE | RXD PIN(1) |
|---|---|---|---|
| Normal | VID ≥ VIT(MAX) | Dominant | L |
| VIT(MIN) < VID < VIT(MAX) | Undefined | Undefined | |
| VID ≤ VIT(MIN) | Recessive | H | |
| Open (VID ≈ 0 V) | Open | H |
| DRIVER(1) | RECEIVER | |||||
|---|---|---|---|---|---|---|
| INPUTS | OUTPUTS | BUS STATE | DIFFERENTIAL INPUTS VID = CANH–CANL(3) | OUTPUT RXD | BUS STATE | |
| TXD | CANH | CANL | ||||
| L(2) | H | L | DOMINANT | VID ≥ VIT(MAX) | L | DOMINANT |
| H | Z | Z | RECESSIVE | VIT(MIN) < VID < VIT(MAX) | Undefined | Undefined |
| Open | Z | Z | RECESSIVE | VID ≤ VIT(MIN) | H | RECESSIVE |
| X if VCC1 supply < UVVCC1 | Z | Z | RECESSIVE | Open (VID ≈ 0 V) | H | RECESSIVE |