參數(shù)資料
型號: PCM3794RHBR
廠商: TEXAS INSTRUMENTS INC
元件分類: 通信及網(wǎng)絡(luò)
英文描述: SPECIALTY TELECOM CIRCUIT, PQCC32
封裝: 5 X 5 MM, GREEN, PLASTIC, QFN-32
文件頁數(shù): 31/67頁
文件大?。?/td> 1417K
代理商: PCM3794RHBR
www.ti.com
SLES193C – AUGUST 2006 – REVISED FEBRUARY 2007
B15
B14
B13
B12
B11
B10
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
Register 75
0
IDX6
IDX5
IDX4
IDX3
IDX2
IDX1
IDX0
HPDP
HPDE
RSV
SDHC
SDHR
SDHL
SDSR
SDSL
IDX[6:0]: 1001011b (4Bh): Register 75
HPDP: Headphone Insertion Detection Polarity
HPDE: Enable for Headphone Insertion Detection
Default value: 0
Table 10. Headphone Insertion Detection
HPDE
HPDP
HDTI (PIN 8)
HP OUTPUT
SP OUTPUT
1
0
Down
Up
1
0
1
Up
Down
1
0
Up
Down
1
Down
Up
0
X
Headphone insertion detection disabled
SDHC: Short Protection Disable for HPC (Headphone COM/Monaural Output)
SDHR: Short Protection Disable for HPR (R-Channel Headphone)
SDHL: Short Protection Disable for HPL (L-Channel Headphone)
Default value: 0
Short-circuit protection can be disabled if this function is not needed in an application.
SDHC, SDHR, SDHL = 0
Enabled (default)
SDHC, SDHR, SDHL = 1
Disabled
SDSR: Thermal Protection Disable for SPR (Speaker Amplifier R-Channel)
SDSL: Thermal Protection Disable for SPL (Speaker Amplifier L-Channel)
Default value: 0
The thermal protection circuit can be disabled if this function is not needed in an application.
SDSR, SDSL = 0
Enabled (default)
SDSR, SDSL = 1
Disabled
37
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