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参数资料
| 型号： | TB1311AFG |
| 元件分类： | 信号分离 |
| 英文描述： | SYNC SEPARATOR IC, PQFP80 |
| 封装： | 14 X 20 MM, 0.80 MM PITCH, PLASTIC, QFP-80 |
| 文件页数： | 6/46页 |
| 文件大小： | 948K |
| 代理商： | TB1311AFG |
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TB1311AFG
2006-05-29
14
Register Name
Function
Preset Value
AU1(2) FIX
Sets audio volume to AL/AR1 (2)-OUT (pin 5/7 (18/20)) fixed.
0: Fixed gain (0 dB)
1: OFF (Attenuated by AU1(2) ATT)
Note: The DC offset on audio outputs occurs when this function is turned on or off.
While audio outputs are valid, switching of this function is not available.
Remark: The gain is defined where the series-connected resistor is 5.6 k
.
Fixed
(0)
AU1(2) ATT
Attenuates audio volume to AL/AR1(2)-OUT (pins 5/7 (18/20)).
0000000: MIN
1111111: MAX
MIN
（0000000）
AU8 PIN
Changes the AL/AR8-IN pin function.
0: DC input for S-pin (pin 39: DC1(S3), pin 40: DC2(S4))
1: Audio-IN8 (pin 39: AR8, pin 40: AL8)
DC
(0)
AU9 PIN
Changes the AL/AR9-IN pin function.
0: DC input for D-pin (pin 46: DC4(LINE2), pin 48: DC5(LINE1))
1: Audio-IN9 (pin 46: AR9, pin 48: AL9)
DC
(0)
AU10 PIN
Changes the AL/AR10-IN pin function.
0: DC input for D-pin (pin 66: DC9(LINE2), pin 68: DC10(LINE1))
1: Audio-IN10 (pin 66: AR10, pin 68: AL10)
DC
(0)
HV-SEP1(2)
Switches the separation level.
The H/V sync separation level to SYNC1(2)-IN (pin 33 (15)) is switched.
00: LOW
11: HIGH
Remark: The separation level is changed according to a ratio of negative sync width
per 1H period.
LOW
(00)
SYNC LPF1(2)
Turns on the LPF for the sync-tip clamp.
SYNC LPF1(2) for SYNC1(2)-IN pin changes the speed of the sync-tip clamp
response. Turn this function on for no-input detection.
0: OFF
1: ON
OFF
(0)
A-SYNC
Automatic sync processing mode.
Sync processing mode is changed in accordance with the results obtained by the
internal format detection circuits. Format detection is performed for SYNC2-IN or
HD/VD-IN signal selected by HV DET. The result of detection is returned to H
FORMAT, V FORMAT, H FM2 and V FM2.
HV FREQ setting is invalid when this mode is active.
0: OFF (Manual switching mode by HV FREQ2 setting)
1: ON
Remark: SYNC1-IN (pin 33) is not available when A-SYNC = 1 (ON). Format
detection and H/V separation are then executed for SYNC2-IN (pin 15).
OFF
(0)
SIG LPF
Turns on the LPF for the sync input pin (pin 33; SYNC1-IN).
When no-input detection for weak strength signals is required, turn this function on
to reduce noise on the input. Turn this function off for detections such as H
FORMAT, V FORMAT, H FREQ DET and V FREQ DET.
0: OFF
1: ON
OFF
(0)
Yvi OUT
Switches the output from Yvi-OUT (pin 34).
0000: MUTE
0001: SY1 (pin 57)
0010: SY2 (pin 77)
0011: CVBS3 (pin 36)
0100: CVBS4 (pin 38)
0101: CVBS5 (pin 41)
0110: CVBS6 (pin 61)
0111: Y1 (pin 49)
1000: Y2 (pin 69)
1001: Y3 (pin 55)
1010: Y4 (pin 75)
1011: Cr3 (as CVBS) (pin 51)
1100: Cr4 (as CVBS) (pin 71)
1101 to 1111: Not available
MUTE
(0000)
PS MASK
Switches the mask mode for pseudo-sync.
0: ON (Normal)
1: OFF (for “Sync on G”)
(1) OFF mode is used for “Sync on G” input.
ON
(0)
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