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參數(shù)資料
| 型號(hào)： | CM109 |
| 廠商： | C-Media Electronics Inc. |
| 英文描述： | USB I/O Controller |
| 中文描述： | 的USB I / O控制器 |
| 文件頁(yè)數(shù)： | 18/36頁(yè) |
| 文件大?。?/td> | 618K |
| 代理商： | CM109 |
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CM109
High Integration / Low Cost USB Audio Controller
for PC Internet Phone
Date: 08/Sep/2005
Version:
1.3a
- 24 -
report every 32mS.
When there is any button pressed or released, or MCU data
coming, CM109 will transfer the 4 bytes of HID report to the USB host again.
CM109 can also transfer one byte MCU data from the USB host to its register.
This is
accomplished by a ‘Set Output Report’ HID class request via default control pipe. MCU
can get this downward byte by interrupt or polling.
CM109 has one input pin ‘SCLK’ where it gets serial clock from MCU, and one
open-drain output pin ‘SDAT’ where it sends or receives serial signal to/from MCU.
As
shown below, ‘SDAT’ should be stable when ‘SCLK’ is high, and can have transition only
when ‘SCLK’ is low.
START and STOP conditions shown below are the exception.
Every transaction
begins from a START, and ends with a STOP, or another START (repeated START).
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| CM1408-08DE | 8 FUNCTIONS, 2.5 V, DATA LINE FILTER |
| CM1482-02DE | 2 FUNCTIONS, DATA LINE FILTER |
| CM1608F100KE | 1 ELEMENT, 10 uH, FERRITE-CORE, GENERAL PURPOSE INDUCTOR, SMD |
| CM1608F100MT | 1 ELEMENT, 10 uH, FERRITE-CORE, GENERAL PURPOSE INDUCTOR, SMD |
| CM1608F1R5ME | 1 ELEMENT, 1.5 uH, FERRITE-CORE, GENERAL PURPOSE INDUCTOR, SMD |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CM10900 | 制造商:Edwards Signaling & Security Systems 功能描述:PIPE (3/4 INCH NOMINAL BORE |
| CM10902 | 制造商:Edwards Signaling & Security Systems 功能描述:3/4" ABS TO 22mm TUBE ADAPT. |
| CM10905 | 制造商:Edwards Signaling & Security Systems 功能描述:45 DEG ELBOW |
| CM10906 | 制造商:Edwards Signaling & Security Systems 功能描述:90 DEG BEND |
| CM10913 | 制造商:Edwards Signaling & Security Systems 功能描述:BULKHEAD SAMPLING POINT |
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