Rainbow Electronics ATA6670 - Manual (Page 17)

17
9204C–AUTO–09/11
Atmel ATA6670 [Preliminary]
Figure 6-2. Typical Application Circuit
Figure 6-3. Application with Minimum External Devices: INH2 Output and WAKE2 Input Not Used
100nF
220pF
22 µ F/50V
1
RXD1
EN1
TXD1
RXD2
EN2
WAKE2
TXD2
RXD1
EN1
+5V
TXD1
RXD2
EN2
ADC
VCC
GND
TXD2
V S 1
S 1
C4 C 3 C7
C6 220pF
LIN1
GND1
INH2
V S 2
LIN1
GND
VBAT
LIN2
LIN2
GND2
2
3
4
5
W a ke
S witch
6
7
14
1 3
12
11
10
9
8
R1
4.7k
Ω
R5
R7
2.7k
Ω
R2
4.7k
Ω
+
R6
10k Ω
R 3
1k Ω
D 3
LL414 8
R4
1k
Ω
D4
LL414
8
D2
LL414 8
R 8
Atmel
ATA6670
(DFN14)
Micro-
controller
100nF 220pF
22 µ F/50V
1
RXD1
EN1
TXD1
RXD2
EN2
WAKE2
TXD2
RXD1
EN1
+5V
TXD1
RXD2
EN2
VCC
GND
TXD2
V S 1
C4 C 3 C7
C6 220pF
LIN1
GND1
INH2
V S 2
LIN1
GND
VBAT
LIN2
LIN2
GND2
2
3
4
5
6
7
14
1 3
12
11
10
9
8
R1
4.7k
Ω
R2
4.7k Ω
+
R 3
1k
Ω
D 3
LL414 8
R4
1k
Ω
D4
LL414
8
Atmel
ATA6670
(DFN14)
Micro-
controller
D2
LL414 8