поискавой системы для электроныых деталей
  Russian  ▼
ALLDATASHEETRU.COM

X  

Preview PDF HTML

CS43131 датащи(PDF) 103 Page - Cirrus Logic

номер детали CS43131
подробное описание детали  130-dB, 32-Bit High-Performance DAC with Integrated Headphone Driver and Impedance Detection
PDF  156 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
производитель  CIRRUS [Cirrus Logic]
домашняя страница  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

CS43131 датащи(HTML) 103 Page - Cirrus Logic

Back Button CS43131 Datasheet HTML 99Page - Cirrus Logic CS43131 Datasheet HTML 100Page - Cirrus Logic CS43131 Datasheet HTML 101Page - Cirrus Logic CS43131 Datasheet HTML 102Page - Cirrus Logic CS43131 Datasheet HTML 103Page - Cirrus Logic CS43131 Datasheet HTML 104Page - Cirrus Logic CS43131 Datasheet HTML 105Page - Cirrus Logic CS43131 Datasheet HTML 106Page - Cirrus Logic CS43131 Datasheet HTML 107Page - Cirrus Logic Next Button
Zoom Inzoom in Zoom Outzoom out
 103 / 156 page
background image
DS1155F1
103
CS43131
5.14 Headphone Load Measurement
5.14.2 Measuring AC and DC Impedance
Fig. 5-2 shows and Ex. 5-20 describes the steps necessary to measure AC/DC impedance with the following assumptions:
• The CS43131 is already powered up and out of reset.
• MCLK_INT is 22.5792 or 24.576 MHz sourced from MCLK/XTAL or PLL (MCLK_SRC_SEL = 00 or 01).
• HP_IN_EN = 0 and HPLOAD_EN = 0.
• A headphone is already plugged in and HPDETECT_PLUG_INT = 1.
Figure 5-2. AC and DC Impedance Measurement Flowchart
Select Channel A or B
HPLOAD_ EN = 0 (Disabled)
HPLOAD _CHN_SEL = X (Channel A/B)
HPLOAD _DC_START = 0 (Stop)
HPLOAD_AC_START = 0 (Stop)
Start DC impedance measurement
HPLOAD _DC_START = 1
HPLOAD_ DC_DONE_ INT
= 1?
HPLOAD_UNPLUG_INT
= 1?
HPLOAD_OOR _INT
= 1?
Read DC impedance
value from
RL_DC_STAT_0 and
RL_DC_STAT_1
YES
Error Occurred
YES
NO
NO
YES
DAC Response
User Commands
AC/DC Impedance Measurement
NO
HPLOAD _UNPLUG_INT
= 1?
YES
NO
Enable HP Load Interrupts. Set Interrupt
Mask 4 (0 xF0013 ) to 0x00
Read Interrupt Status 4
Enable impedance subsystem
HPLOAD_EN = 1
Disable Impedance Measurement
Subsystem
HPLOAD_EN = 0
HPLOAD_ON_ INT
= 1?
YES
NO
HPLOAD_HPON_INT
= 1?
NO
YES
YES
HPLOAD_OFF_INT
= 1?
NO
Start AC impedance measurement
HPLOAD _AC_START = 1
HPLOAD_AC_ DONE_ INT
= 1 ?
HPLOAD_ UNPLUG_ INT
= 1?
HPLOAD _OOR_INT
= 1?
Read AC impedance
value from
RL_AC_STAT_0 and
RL_AC_STAT_1
YES
Error Occurred
YES
NO
NO
YES
NO
HPLOAD_UNPLUG_ INT
= 1?
YES
NO
Disable Impedance Measurement
Subsystem
HPLOAD _EN = 0
HPLOAD_HPON_INT
= 1?
NO
YES
YES
HPLOAD_OFF_INT
= 1 ?
NO
Disable HP Load Interrupts. Set Interrupt
Mask 4 (0xF0013) to 0 xFF
New
Measurement?
Disable HP Load Interrupts. Set Interrupt
Mask 4 (0xF0013 ) to 0xFF
NO
YES
Set Frequency
HPLOAD _MEAS_FREQ_LSB = 0x??
HPLOAD _MEAS_FREQ_MSB = 0x??
New AC
measurement on
same channel?
NO
YES
Stop DC impedance measurement
HPLOAD_ DC_START = 0
Stop AC impedance measurement
HPLOAD _AC_START = 0



Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100  ...More


датащи скачать

Go To PDF Page


ссылки URL



Вашему бизинису помогли Аллдатащит?  [ DONATE ] 

Что такое Аллдатащит   |   реклама   |   контакт   |   Конфиденциальность   |   Ссылка на техническое описание    |   обмен ссыками   |   поиск по производителю
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com