
15
Atmel ATA6670 [DATASHEET]
9204F–AUTO–06/12
Figure 5-1. Definition of Bus Timing Parameter
Figure 5-2. Typical Application Circuit
TXD
(Input to transmitting node)
VS
(Transceiver supply
of transmitting node)
RXD
(Output of receiving node1)
RXD
(Output of receiving node2)
LIN Bus Signal
Thresholds of
receiving node1
Thresholds of
receiving node2
tBus_rec(max)
trx_pdr(1)
trx_pdf(2)
trx_pdr(2)
trx_pdf(1)
tBus_dom(min)
tBus_dom(max)
THRec(max)
THDom(max)
THRec(min)
THDom(min)
tBus_rec(min)
tBit
100nF
560pF
22F/50V
1
RXD1
EN1
TXD1
RXD2
EN2
WAKE2
TXD2
RXD1
EN1
+5V
TXD1
RXD2
EN2
ADC
VCC
GND
TXD2
VS1
S1
C2
C1
C4
C3
560pF
LIN1
GND1
INH2
VS2
LIN1
GND
VBAT
LIN2
GND2
2
3
4
5
Wake
Switch
6
7
14
13
12
11
10
9
8
R1
4.7k
Ω
R6
R7
2.7k
Ω
R2
4.7k
Ω
+
R5
10k
Ω
R3
1k
Ω
D3
LL4148
R4
1k
Ω
D2
LL4148
D1
LL4148
R8
Atmel
ATA6670
(DFN14)
Micro-
controller