TDA9112A View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'TDA9112A' PDF : 60 Pages View PDF
Figure 19. Safety functions - block diagram
TDA9112A
BSafeEn
I²C
H-lock detector
HBOutEn
I²C
VCC
+
VCCEn
_
VCCDis
BMute I²C
VCC supervision
H-VCO
discharge
control
B-drive protection at H-unlock
0 = Off
1 = On
= start
= stop
HPosF
10
(timing)
SOFT
START & STOP
INHIBITION
CONTROL
PLL1
PLL2
DC/DC
XRayReset
I²C
XRay
25
+
VThrXRay
_
VCC
+
_
VCCXRay
In :2 Out
Enable
RQ
S
B-drive inhibit
H-drive inhibit
XRayAlarm
I²C
H-drive inhibition
(overrule)
HFly
12
+
_
VThrHFly
VOutEn
I²C
BlankMode
I²C
HLockEn
I²C
H-lock detector
V-sawtooth
discharge
V-sync
RQ
S
V-drive inhibition
B-drive inhibition
L1=No blank/blank level
Σ
L2=H-lock/unlock level
HLckVBk
3
L3=L1+L2
HLock
I²C
I²C I²C bit/flag
Int. signal
X Pin
51/60
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