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參數(shù)資料
| 型號： | LA76832N |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Monolithic Linear IC I2C Bus Control IC |
| 中文描述： | 單片線性集成電路I2C總線控制IC |
| 文件頁數(shù)： | 22/39頁 |
| 文件大?。?/td> | 398K |
| 代理商： | LA76832N |
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LA76832N
No.0069-22/39
Continued from preceding page.
Parameter
Symbol
Test
point
Input
signal
Test method
Bus conditions
Vertical free-running period
50 (PAL)
Vertical free-running period
60 (NTSC)
Horizontal output pulse
(PAL) (NTSC)
Horizontal position
adjustment range
Horizontal position
adjustment maximum
variable width
POR circuit operating
voltage
VFR50
VFR60
23
Y IN :
No signal
Measure the vertical output period T at pin 23.
T
×
15.625kHz (PAL)
T
×
15.734kHz (NTSC)
CDMODE : 001
(PAL)
CDMODE : 002
(NTSC)
HPHCEN
(PAL)
(NTSC)
27
42
Y IN :
Horizontal
/vertical sync
signal
PAL
NTSC
Measure the delay time from to the rise of the
pin 27 horizontal output pulse to the fall of the
Y IN horizontal sync signal.
HPHrange
27
42
Y IN :
Horizontal
/vertical sync
signal
PAL
With H PHASE : 0 and 31, measure the delay
time from the rise of the pin 27 horizontal
output pulse to the fall of the Y IN horizontal
sync signal and calculate the difference from
H PHCEN.
H PHASE : 00000
H PHASE : 11111
HPHstep
27
42
Y IN :
Horizontal
/vertical sync
signal
PAL
With H PHASE : 0 to 31 varied, measure the
delay time from to the rise of the pin 27
horizontal output pulse to the fall of the Y IN
horizontal sync signal and calculate the
variation at each step. Retrieve data for
maximum variation.
H PHASE : 00000
to
H PHASE : 11111
VPOR
25
Y IN :
Horizontal
/vertical sync
signal
PAL
Connect a DC power supply in place of the
current source to pin 25 and gradually
decrease the voltage from 5.0V until the BUS
READ TATUS [POR] [STATUS1 (DA01)
becomes "1". Measure the DC voltage at pin
25 at the moment.
Continued on next page.
T
2.5V
Vertical output
Horizontal output
HPHCEN
20IRE
2.5V
20IRE
2.5V
Horizontal output
Measuring
HPHCEN
20IRE
Horizontal output
Measuring
HPHCEN
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