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參數(shù)資料
| 型號： | 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 |
| 文件頁數(shù)： | 14/36頁 |
| 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
- 20 -
HID_IR0 (HID input report byte 0)
Offset : 0x00
Bits
Read/Write
Description
Default
7-6
R/W
0: HID_IR0-3 are not used by MCU
1: HID_IR0-3 are used as generic HID
registers
2: Values written to HID_IR0-3 are also
mapped to MCU_CTRL,
EEPROM_DATA0-1, EEPROM_CTRL (see
Note)
3: Reserved
0x0
5
R/W
When HID_IR0[7] == 1’b0:
0: Buzzer off
1: Buzzer on
When HID_IR0[7] == 1’b1:
Mapped to MCU_CTRL[5]
0x0
4
R/W
When HID_IR0[7] == 1’b0:
Generic HID register
When HID_IR0[7] == 1’b1:
Mapped to MCU_CTRL[4]
0x0
3
R
0: No activity on Record-Mute button
1: Record-Mute button pressed then released
0x0
2
R
0: No activity on Playback-Mute button
1: Playback-Mute button pressed then
released
0x0
1
R
0: Volume-Down button released
1: Volume-Down button pressed
0x0
0
R
0: Volume-Up button released
1: Volume-Up button pressed
0x0
Note: When EEPROM access is done, MINT will be active.
MCU should read
HID_OR0-3 to get the result, and then MINT will be cleared.
HID_IR1 (HID input report byte 1)
Offset : 0x01
Bits
Read/Write
Description
Default
7-0
R/W
When HID_IR0[7] == 1’b0:
Generic HID registers
When HID_IR0[7] == 1’b1:
Mapped to EEPROM_DATA0
0x00
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相關代理商/技術參數(shù) |
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|---|---|
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