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參數(shù)資料
| 型號(hào)： | PEB2466-HV1.2 |
| 廠商： | SIEMENS A G |
| 元件分類： | 編解碼器 |
| 英文描述： | Four Channel Codec Filter with PCM- and m-Controller Interface SICOFI4-mC |
| 中文描述： | A/MU-LAW, PCM CODEC, PQFP64 |
| 文件頁(yè)數(shù)： | 51/82頁(yè) |
| 文件大?。?/td> | 3330K |
| 代理商： | PEB2466-HV1.2 |
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PEB 2466
Programming the SICOFI
-4-
μ
C
Semiconductor Group
51
02.97
RESET (Basic Setting Mode)
Upon initial application of
V
DD
or resetting pin RESET to ‘0’ during operation, or by
software-reset (see XOP command), the SICOFI-4-
μ
C enters a basic setting mode.
Basic setting means, that the SICOFI-4-
μ
C configuration registers CR0... CR6 and
XR0... XR7 are initialized to ‘0’ for all channels.
All programmable filters are disabled, all programmable command/indication pins are
inputs. The two tone generators as well as any testmodes are disabled. There is no
persistence checking. Receive signaling registers are cleared. DOUT-pin is in high
impedance state, the analog outputs and the signaling outputs are forced to ground.
If any voltage is applied to any input-pin before initial application of
V
DD
, the SICOFI-4-
μ
C
may not enter the basic setting mode. In this case it is necessary to reset the
SICOFI-4-
μ
C or to initialize the SICOFI-4-
μ
C configuration registers to ‘0’.
The SICOFI-4-
μ
C leaves this mode automatically after the RESET-pin is released.
Standby Mode
After releasing the RESET-pin, (RESET-state), the SICOFI-4-
μ
C will enter the Standby
mode. The SICOFI-4-
μ
C is forced to standby mode with the PU-bit set to ‘0’ in the
CR1-register (POWERDOWN). All 4 channels must be programmed separately. During
standby mode the serial SICOFI-4-
μ
C
μ
-Controller interface is ready to receive and
transmit commands and data. Received voice data on DRA, DRB-pin will be ignored.
SICOFI-4-
μ
C configuration registers and Coefficient-RAM can be loaded and read back
in this mode. Data on signaling input pins can be read via the
μ
-Controller interface.
CR0.. CR6
XR0.. XR7
Coefficient-RAM
Command Stack
DIN-input
DOUT-output
VOUT1,2,3,4
SBx_y
SOx_y
00
H
00
H
Old value
Cleared
Ignored
High impedance
GNDA1,2,3,4
Input
GNDD
DXA, DXB
VOUT1, 2, 3, 4
High ‘Z’
GNDA1, 2, 3, 4
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PEB2466HV2.2 | 功能描述:接口—CODEC POTS RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
| PEB2466-HV2.2 | 制造商:Infineon Technologies AG 功能描述:PCM CODEC, Quad, 64 Pin, Plastic, QFP |
| PEB2466HV2.2/TR | 制造商:Lantiq 功能描述: |
| PEB2466HV2.2TR | 制造商:Rochester Electronics LLC 功能描述: 制造商:Infineon Technologies AG 功能描述: |
| PEB2466HV22XP | 制造商:Lantiq 功能描述:ICS FOR COMMUNICATIONS |
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