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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)： | 2/36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
- 9 -
Note: DI – Digital Input Pad, DO – Digital Output Pad, DIO – Digital bi-Directional Pad, AI/AO/AIO – Analog
Pad, SR Slew Rate Control, ST – Schmitt Trigger, PD/PU – Pull Down or Pull Up, 5VT – 5 Volt Tolerant
(3.3V Pad), OD – Open Drain
4. MCU INTERFACE
CM109 provides a serial MCU Interface for external MCU to access internal registers with
these registers access. MCU and host side software can have bi-directional
communication. This interface can keep flexibility for external module control and
integrate, such as LCD panel.
5. BLOCK DIAGRAM
Block Diagram Of CM109
USB
TRX
USB
interface
USBcontrol
ISOout
processing
PLL1
48 MHz
clock
gen
12 MHz
VREF
(2.25V)
power on
reset
bandgap
3.3V
5 -> 3.3
regulator
REGV
ISOin
processing
SRAM
16 bit ADC
16 bit
DAC
+12 ~ -33 dB
32 steps
LOL
interface logics
MUTER
MCU
I/F
VOLDN
VOLUP
VREF
MUTEP
LOR
LEDO
LEDR
PDSW
VBIAS
4.5V
EEPROM
interface
CS
SK
DW
DR
USBDP
USBDM
MICIN
VREF
+
-
LOBS
GPIO
+20dB boost enable
PWRSEL
MODE
MSEL
BUZZ SPDIFO
0 ~ -45dB
38 steps
0 ~ -45dB
38 steps
16 bit
DAC
+22.5 ~ 0 dB
16 steps
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相關代理商/技術參數(shù) |
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|---|---|
| CM10900 | 制造商:Edwards Signaling & Security Systems 功能描述:PIPE (3/4 INCH NOMINAL BORE |
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| CM10906 | 制造商:Edwards Signaling & Security Systems 功能描述:90 DEG BEND |
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