Rainbow Electronics ATA6630 - Manual (Page 2)

2
9117C–AUTO–10/09
ATA6628/ATA6630 [Preliminary]
Figure 1-1. Block Diagram
High
S peed
Mode
Adj us t ab le
W a tchdog
O s cill a tor
S hort Circ u it a nd
Overtemper a t u re
Protection
TXD
Time-o u t
Timer
Edge
Detection
De b o u nce
Time
Intern a l Te s ting
Unit
Control Unit
S lew R a te Control
W a ke- u p
B us Timer
Mode S elect
Undervolt a ge
Re s et
Norm a l/ S ilent/
F a il- sa fe Mode
3 . 3 V/50 mA/ ± 2 %
5V/50 mA/ ± 2 %
RF Filter
W a tchdog
15
10
2
12
RXD
NTRIG GND PV
PVCC
PVCC
PVCC
TM MODE
EN
TXD
S P_MODE
KL_15
17
WAKE
Receiver
7
4
5 9 16 3
Norm a l a nd
F a il- sa fe
Mode
1 8
19
1 3
14
6
20
LIN
WD_O S C
NRE S
PVCC
VCC
V S
8
DIV_ON
1
VBATT
5k
Norm a l a nd
F a il- sa fe
Mode
INH
11