參數(shù)資料
型號(hào): TDA9112A
廠商: STMICROELECTRONICS
元件分類(lèi): 偏轉(zhuǎn)
英文描述: HORIZ/VERT DEFLECTION IC, PDIP32
封裝: PLASTIC, SDIP-32
文件頁(yè)數(shù): 47/60頁(yè)
文件大?。?/td> 831K
代理商: TDA9112A
Obsolete
Product(s)
- Obsolete
Product(s)
TDA9112A
51/60
Figure 19. Safety functions - block diagram
VCC supervision
H-drive inhibition
V-drive inhibition
B-drive inhibition
SOFT
H-drive inhibit
R
S
H-lock detector
V-sync
R
S
Q
+
Σ
_
+
_
V-sawtooth
discharge
IC
(timing)
IC
IC bit/flag
Pin
Int. signal
VCCEn
VCCDis
VThrHFly
+
_
VThrXRay
H-VCO
L2=H-lock/unlock level
L1=No blank/blank level
L3=L1+L2
In
Out
Q
(overrule)
B-drive inhibit
discharge
control
IC
H-lock detector
IC
PLL1
PLL2
DC/DC
BMute
BSafeEn
START & STOP
INHIBITION
CONTROL
HBOutEn
XRayReset
XRayAlarm
VOutEn
BlankMode
HLockEn
HLock
10
HPosF
VCCXRay
VCC
+
_
:2
Enable
25
XRay
12
HFly
3
HLckVBk
X
B-drive protection at H-unlock
= start
= stop
0 = Off
1= On
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