An ATA663211 LIN transceiver is mounted on the kit to convert the LIN signals
from the SERCOM module in the SAM
C21 device. The LIN compatible
signals are available at a 3-pin header.
Table 1. LIN Transceiver
SAM
C21
pin |
Function |
ATA663211 function |
Shared functionality |
PA06 |
SERCOM0 PAD[2] LIN TX |
LIN TXD |
- |
PA07 |
SERCOM0 PAD[3] LIN RX |
LIN RXD |
- |
PB22 |
GPIO |
LIN EN |
- |
Table 2. LIN Header
LIN header pin |
Function |
1 |
VS |
2 |
GND |
3 |
LIN |
Table 3. Master Node Pull-up Enable
Header
LIN header pin |
Function |
1 |
LIN |
2 |
1kΩ pull-up to VS |
Table 4. LIN VCC Power
LIN header pin |
Function |
1 |
VS |
2 |
VCC_TARGET_P3V3_P5V0 |