Rainbow Electronics ATA6624 - Manual (Page 2)

2
4986F–AUTO–07/08
ATA6622/ATA6624/ATA6626
Figure 1-1. Block Diagram
Adjustable
Watchdog
Oscillator
Short Circuit and
Overtemperature
Protection
TXD
Time-out
Timer
Edge
Detection
Debounce
Time
Internal Testing
Unit
Control Unit
Slew Rate Control
Wake-up
Bus Timer
Mode Select
Undervoltage
Reset
Normal/Silent/
Fail-safe Mode
3.3/5V
/50 mA/2%
RF Filter
Watchdog
OUT
14
1
5
11
RXD
GND
NTRIG
PVCC
PVCC
PVCC
TM MODE
EN
TXD
KL_15
16
WAKE
Receiver
9
4
15
13
3
Normal and
Fail-safe
Mode
Normal and
Fail-safe
Mode
18
19
12
7
20
LIN
WD_OSC
NRES
PVCC
VCC
VS
INH
10
*)
*) Not in ATA6626