Pin configuration – Rainbow Electronics ATA6631 User Manual
Page 2
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2
9165A–AUTO–11/09
ATA6629/ATA6631
Figure 1-1.
Block Diagram
2.
Pin Configuration
Figure 2-1.
Pinning SO8
3
GND
2
EN
6
TXD
5
RXD
VCC
8
NRE
S
7
S
hort-circ
u
it
a
nd
overtemper
a
t
u
re
protection
Norm
a
l/
S
ilent/
F
a
il-
sa
fe 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
LIN
V
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/ATA66
3
1
Receiver
V
CC
-
+
V
CC
5 k
Ω
VCC
3
4
2
1
TXD
NRES
RXD
VS
8
7
6
5
GND
EN
LIN
Table 2-1.
Pin Description
Pin
Symbol
Function
1
VS
Battery supply
2
EN
Enables Normal Mode if the input is high
3
GND
Ground, heat sink
4
LIN
LIN bus line input/output
5
RXD
Receive data output
6
TXD
Transmit data input
7
NRES
Output undervoltage reset, low at reset
8
VCC
Output voltage regulator 3.3V/5V/50 mA
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