Rainbow Electronics ATA6625 - Manual (Page 2)

2
4957E–AUTO–10/07
ATA6623/ATA6625
Figure 1-1. Block Diagram
2. Pin Configuration
Figure 2-1. Pinning SO8
3 GND
2 EN
6 TXD
5 RXD
VCC 8
NRES 7
Short circuit and
overtemperature
protection
Normal/Silent/
Fail-safe mode
3.3V/50 mA/2%
5V/50 mA/2%
Control
unit
Normal and
Fail-safe
mode
RF-filter
LIN
VS 1
4
TXD
Time-out
timer
Slew rate control
Undervoltage reset
Sleep
mode
VCC
switched
off
Wake-up bus timer
ATA6623/25
Receiver
V
CC
-
+
V
CC
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