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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)： | 15/36頁(yè) |
| 文件大小： | 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
- 21 -
HID_IR2 (HID input report byte 2)
Offset : 0x02
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_DATA1
0x00
HID_IR3 (HID input report byte 3)
Offset : 0x03
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_CTRL
0x00
HID_OR0 (HID output report byte 0)
Offset : 0x04
Bits
Read/Write
Description
Default
7-6
R
When HID_IR0[7] == 1’b0:
HID_OR0-3 are programmed by USB host
0: HID_OR1-2 are used for GPO
1: HID_OR0-3 are used as generic HID
registers
2: Values written to HID_OR0-3 are also
mapped to MCU_CTRL,
EEPROM_DATA0-1, EEPROM_CTRL
3: Reserved
When HID_IR0[7] == 1’b1:
Always 2’b11
0x0
5-4
R
When HID_IR0[7] == 1’b0:
Generic registers programmed by USB host
When HID_IR0[7] == 1’b1:
Mapped from MCU_CTRL[5:4]
0x0
3-0
R
When HID_IR0[7] == 1’b0:
Generic registers programmed by USB host
When HID_IR0[7] == 1’b1:
Always 4’h0
0x0
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