參數(shù)資料
型號： P95020NQG
廠商： INTEGRATED DEVICE TECHNOLOGY INC
元件分類： 電源管理
英文描述： 2-CHANNEL POWER SUPPLY MANAGEMENT CKT, QCC132
封裝： 10 X 10 MM, 0.85 MM HEIGHT, QFN-132
文件頁數(shù)： 98/169頁
文件大?。?/td> 4297K
代理商： P95020NQG
IDTP95020
Product Datasheet
September 2, 2011 Revision 1.3 Final
34
2011 Integrated Device Technology, Inc.
Class D - GAINCTRL Registers
This is a 16-bit register = {GAINCTRL_HI, GAINCTRL_LO}.
GAINCTRL_HI: IC Address = Page-2: 35(0x23), C Address = 0xA223
GAINCTRL_LO: IC Address = Page-2: 36(0x24), C Address = 0xA224
Table 30. Class D – GAINCTRL Registers
BIT
BIT NAME
DEFAULT
SETTING
USER
TYPE
VALUE
DESCRIPTION / COMMENTS
0
mute_mode
1b
RW
0 = soft mute
1 = hard mute
Mute After Reset
1
change_mode
0b
RW
0 = change on zero cross
1 = change gain immediately
Gain Change Mode
2
auto_mute
1b
RW
0 = Don’t Auto Mute
1 = Auto Mute
Auto Mute if long string of zeros detected on input
3
disable_gain
0b
RW
0 = Don’t Disable
1 = Disable
Disable All Gain Functions (Bypass Gain Multiply)
4
stepped_change
0b
RW
0 = Don’t Step
1 = Step
Step Volume Progressively to New Setting
5
step_10ms
0b
RW
0 = 1 ms
1 = 10 ms
Units for step_time Value
6
RESERVED
0b
RW
RESERVED
7
clr_latch
0b
RW
0 = Don’t Clear
1 = Clear Limit
1 = clear limit 0/1 latches, see STATUS2 reg
[10:8]
step_time
101b
RW
0 = 1 units
1 = 2 units
2 = 4 units
3 = 8 units
4 = 16 units
5 = 32 units
6 = 64 units
7 = 128 units
Step time units = 1 << step_time
Unit range is defined in GAINCTRL_LO, bit 5
[12:11] zerodetlen
10b
RW
0 = 512 Samples
1 = 1k Samples
2 = 2k Samples
3 = 4k Samples
Enable mute if input consecutive zeros exceeds
this length.
[15:13] RESERVED
000b
RW
RESERVED
Class D - MUTE Register
Enable mute individually per channel via this register. Global mute is available via CONFIG0[1].
MUTE: IC Address = Page-2: 38(0x26), C Address = 0xA226
Table 31. Class D – MUTE Register
BIT
BIT NAME
DEFAULT SETTING USER TYPE
VALUE
DESCRIPTION / COMMENTS
0
mute0
0b
RW
0 = Don’t Mute
1 = Mute
Mute Channel 0
1
mute1
0b
RW
0 = Don’t Mute
1 = Mute
Mute Channel 1
[7:2] RESERVED 000000b
RW
RESERVED
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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