Rainbow Electronics ATA6631 - Manual (Page 23)

23
9165A–AUTO–11/09
ATA6629/ATA6631
Figure 9-2. Application Circuit
3 GND
2 EN
6 TXD
5 RXD
VCC
+
100 nF
100 nF
220 pF
10 k Ω
10 µ F
22 µ F
8
NRE S
7
S hort circ u it a nd
overtemper a t u re
protection
Norm a l Mode
a nd
S ilent mode
3 . 3 V/50 mA/±2 %
5V/50 mA/±2 %
Control
u nit
Norm a l a nd
F a il- sa fe
Mode
RF filter
VCC
Micro-
controller
LIN
V S
LIN-BU S
1
4
TXD
Time-o u t
timer
S lew r a te control
Undervolt a ge re s et
S leep
mode
VCC
s witched
off
W a ke- u p bus timer
ATA6629/ 3 1
Receiver
V
CC
V
BAT
-
+
V
CC
5 k Ω
GND