Table 22-3 on, Table 22-4 on, Table 22-5 on – Atmel ATA6264 User Manual
Page 71: Ata6264 [preliminary
71
4929B–AUTO–01/07
ATA6264 [Preliminary]
Because the K1 and K2 interfaces are by default switched to ISO (LIN) mode, the commands
9CF0, 9CFF, 9C00, and 9C0F default to invalid commands.
Table 22-3.
Key Latch Commands
Description
MSByte
LSByte
Hex Code
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
Key latch set
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
3FFF
Key latch reset (default)
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
3000
Table 22-4.
Watchdog Commands
Description
MSByte
LSByte
Hex Code
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
Trigger watchdog
0
1
1
0
1
0
1
0
0
1
0
1
0
1
0
1
6A55
Configure prescaler
0
1
1
0
0
0
0
0
1
1
1
1
0
a
b
c
60Fx
Table 22-5.
Switch Commands
Description
MSByte
LSByte
Hex Code
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
Enable EVZ switching
1
0
0
1
1
0
1
0
0
1
0
1
1
0
1
0
9A5A
EVZ switched to 33V
1
0
0
1
0
0
1
1
0
0
0
0
1
1
1
1
930F
EVZ switched to 23V
(default)
1
0
0
1
0
0
1
1
1
1
1
1
0
0
0
0
93F0
EVZ switched to external
divider
1
0
0
1
0
0
1
1
1
0
0
1
0
1
1
0
9396
CP-OUT switched to
high-ohmic state (default)
1
0
0
1
0
1
1
0
0
0
0
0
1
1
1
1
960F
CP-OUT switched to
low-impedance state
1
0
0
1
0
1
1
0
1
1
1
1
0
0
0
0
96F0
K1 interface works as
ISO9141 or LIN interface
(depending on ISO/LIN bit
of initial programming)
(default)
1
0
0
1
1
0
0
1
1
1
1
1
0
0
0
0
99F0
K1 interface works in LS
driver mode
1
0
0
1
1
0
0
1
1
1
1
1
1
1
1
1
99FF
K1 switched to high-ohmic
state (default)
1
0
0
1
1
1
0
0
1
1
1
1
0
0
0
0
9CF0
K1 switched to
low-impedance state
1
0
0
1
1
1
0
0
1
1
1
1
1
1
1
1
9CFF
K2 interface works as
ISO9141 interface (default)
1
0
0
1
1
0
0
1
0
0
0
0
0
0
0
0
9900
K2 interface works in LS
driver mode
1
0
0
1
1
0
0
1
0
0
0
0
1
1
1
1
990F
K2 switched to high-ohmic
state (default)
1
0
0
1
1
1
0
0
0
0
0
0
0
0
0
0
9C00
K2 switched to
low-impedance state
1
0
0
1
1
1
0
0
0
0
0
0
1
1
1
1
9C0F