参数资料
型号: TB2932HQ
元件分类: 音频/视频放大
英文描述: 45 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25
封装: 1 MM PITCH, PLASTIC, HZIP-25
文件页数: 25/30页
文件大小: 255K
代理商: TB2932HQ
TB2932HQ
2007-07-01
4
3.
Explanation for Self Diagnosis Via I
2C
(1)
Bus map
y Slave Addressz
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
Details
Hex
0
Write Mode
1
Read Mode
1
0
1
0
D8H
y WRITEz
Sub address
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
Details
Hex
0
Page Mode (auto increment) OFF
1
Page Mode (auto increment) ON
0
1
Control Byte1
01H
0
1
0
Control Byte2
02H
Control byte1 (01H)
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
Function
0
1
Clip Det 1% to 10% change
0
1
0
R-ch Muting off (play)
0
1
0
Fch Muting off (play)
0
1
0
R-ch Gain 26dB to 12dB
0
1
0
Fch Gain 26dB to 12dB
0
1
0
Offset Det Enable
0
1
0
Diag Cycle Enable
1
Turn-on Select (normal/repeatedly)
Control byte2 (02H)
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
Function
0
1
Rare short DET
0
1
0
Soft Mute delay time (40ms/20ms)
0
1
0
Current Detection Enable
0
1
0
Line Drive Diag
0
1
0
Stand By OFF (play)
0
1
0
Clip Det Pin change to Offset Det
1
Fast mute ON/OFF
1
0
Current Detection. Level change from 500 mA
(max) to 300 mA (max)
Note 4: Self mute circuit is included on chip and is in independent from I
2C bus stage.
Self mute operating voltage is VCC = 7.8 V
Note 5: Auto Increment is available.
If control byte 1 is chosen by sub address, it is not necessary to send byte 2 in cases when both byte 1 and
2 are to be written.
Ex) In case of sub address
= byte1 chosen:
Sub address byte 1
→ byte 1 writing → Sub address byte 2 → byte 2 writing: available
Sub address byte 1
→ byte 1 writing ---------------------------- → byte 2 writing: available
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