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參數(shù)資料
| 型號(hào)： | CXA1871S |
| 廠商： | Sony Corporation |
| 元件分類(lèi)： | 外設(shè)及接口 |
| 英文描述： | Single Supply RS232C Line Driver/Receiver(?????μ?o?RS232C ?o?????????¨???2???2??????) |
| 中文描述： | 單電源RS232C接口線路驅(qū)動(dòng)器/接收器（單電源RS232C接口線收發(fā)器（2發(fā)2收）） |
| 文件頁(yè)數(shù)： | 34/46頁(yè) |
| 文件大小： | 639K |
| 代理商： | CXA1871S |
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—34—
CXA1871S
f
SC
f
H
f
V
PIN
NO.
4433619
[Hz]
15625
[Hz]
50
[Hz]
4.43/PAL
4406250
15625
[Hz]
50
[Hz]
Pin 2
SECAM 4250000
[Hz]
4.43
NTSC
4433619
[Hz]
15734
[Hz]
60
[Hz]
3575611
[Hz]
15734
[Hz]
60
[Hz]
Pin 3
PAL/M
3579545
[Hz]
15734
[Hz]
60
[Hz]
NTSC
Pin 4
System Identification Method
(when 443XTAL = 0)
Conditions for releasing the lock
(1)KILLER=ON
(2)When NT/PAL identification
result changes from PAL to
NTSC
2
(1)KILLER=ON
(2)When NT/PAL identification
result changes from PAL to
NTSC
2
(3)When 50/60 identification
result changes from 60 to 50
(1)KILLER=ON
(2)When 50/60 identification
result changes from 60 to 50
Conditions for locking the
system to this pin
(1)KILLER=ON
(2)50/60 identification result
= 50 Hz
1
(1)KILLER=OFF
(1)KILLER=OFF
f
SC
f
H
f
V
PIN
NO.
3582056
[Hz]
15625
[Hz]
50
[Hz]
PAL/N
Pin 2
3575611
[Hz]
15734
[Hz]
60
[Hz]
PAL/M
Pin 3
3579545
[Hz]
15734
[Hz]
60
[Hz]
NTSC
Pin 4
1
When the 50/60 identification result changes from 60 Hz to 50 Hz, pin switching is performed until the
system is locked to Pin 2. However, when the 50/60 identification result changes from 50 Hz to 60 Hz,
identification is ignored.
2
NTSC
→
PAL = Don’t care
System Identification Method
(when 443XTAL = 1)
Conditions for releasing the lock
(1)KILLER=ON
(2)When NT/PAL identification
result changes from PAL to
NTSC
2
(1)When any one of the
conditions to the left is not
met
(1)KILLER=ON
(1)KILLER=ON
(2)When NT/PAL identification
result changes from PAL to
NTSC
2
(3)When 50/60 identification
result changes from 60 to 50
(1)KILLER=ON
(2) When 50/60 identification
result changes from 60 to 50
Conditions for locking the
system to this pin
(1)KILLER=ON
(2)50/60 identification result
= 50 Hz
1
(1)KILLER=ON
(2)50/60 identification result
= 50 Hz
1
(3)SECAM ID=ON
(1)KILLER=OFF
(1)KILLER=OFF
(1)KILLER=OFF
1
When the 50/60 identification result changes from 60 Hz to 50 Hz, pin switching is performed until the
system is locked to Pin 2. However, when the 50/60 identification result changes from 50 Hz to 60 Hz,
identification is ignored.
2
NTSC
→
PAL = Don’t care
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