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參數(shù)資料
| 型號： | SI3210 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | Codec |
| 英文描述： | PROSLIC PROGRAMMABLE CMOS SLIC/CODEC WITH RINGING/BATTERY VOLTAGE GENERATION |
| 中文描述： | ProSLIC產品可編程的CMOS用戶接口/有振鈴編解碼器/電池電壓生成 |
| 文件頁數(shù)： | 46/122頁 |
| 文件大?。?/td> | 1950K |
| 代理商： | SI3210 |
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Si3210/Si3211/Si3212
46
Preliminary Rev. 1.11
PCM Interface
The ProSLIC contains a flexible programmable interface
for the transmission and reception of digital PCM
samples. PCM data transfer is controlled via the PCLK
and FSYNC inputs as well as the PCM Mode Select
(direct Register 1), PCM Transmit Start Count (direct
registers 2 and 3), and PCM Receive Start Count (direct
registers 4 and 5) registers. The interface can be
configured to support from 4 to 128 8-bit timeslots in
each frame. This corresponds to PCLK frequencies of
256 kHz to 8.192 MHz in power of 2 increments.
(768 kHz and 1.536 MHz are also available.) Timeslots
for data transmission and reception are independently
configured using the TXS and RXS registers. By setting
the correct starting point of the data, the ProSLIC can
be configured to support long FSYNC and short FSYNC
variants as well as IDL2 8-bit, 10-bit, B1 and B2 channel
time slots. DTX data is high impedance except for the
duration of the 8-bit PCM transmit. DTX will return to
high impedance either on the negative edge of PCLK
during the LSB, or on the positive edge of PCLK
following the LSB. This is based on the setting of the
TRI bit of the PCM Mode Select register. Tristating on
the negative edge allows the transmission of data by
multiple sources in adjacent timeslots without the risk of
driver contention. In addition to 8-bit data modes, there
is a 16-bit mode provided. This mode can be activated
via the PCMT bit of the PCM Mode Select register. GCI
timing is also supported in which the duration of a data
bit is two PCLK cycles. This mode is also activated via
the PCM Mode Select register. Setting the TXS or RXS
register greater than the number of PCLK cycles in a
sample period will stop data transmission because TXS
or RXS will never equal the PCLK count. Figures 27–30
illustrate the usage of the PCM highway interface to
adapt to common PCM standards.
Figure 27. Example, Timeslot 1, Short FSYNC (TXS/RXS = 1)
Figure 28. Example, Timeslot 1, Long FSYNC (TXS/RXS = 0)
0
1
7
6
5
4
3
2
16
15
14
13
12
11
10
9
8
18
17
MSB
LSB
MSB
LSB
HI-Z
HI-Z
PCLK
FSYNC
PCLK_CNT
DRX
DTX
0
1
7
6
5
4
3
2
16
15
14
13
12
11
10
9
8
18
17
MSB
LSB
MSB
LSB
HI-Z
HI-Z
PCLK
FSYNC
PCLK_CNT
DRX
DTX
相關PDF資料 |
PDF描述 |
|---|---|
| SI3210-BT | PROSLIC PROGRAMMABLE CMOS SLIC/CODEC WITH RINGING/BATTERY VOLTAGE GENERATION |
| SI3210-KT | PROSLIC PROGRAMMABLE CMOS SLIC/CODEC WITH RINGING/BATTERY VOLTAGE GENERATION |
| SI3211-BT | PROSLIC PROGRAMMABLE CMOS SLIC/CODEC WITH RINGING/BATTERY VOLTAGE GENERATION |
| SI3211-KT | PROSLIC PROGRAMMABLE CMOS SLIC/CODEC WITH RINGING/BATTERY VOLTAGE GENERATION |
| SI3212 | PROSLIC PROGRAMMABLE CMOS SLIC/CODEC WITH RINGING/BATTERY VOLTAGE GENERATION |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| SI3210-BT | 功能描述:電信線路管理 IC CONTACT SILICON LABS FOR AVAILABILITY RoHS:否 制造商:STMicroelectronics 產品:PHY 接口類型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray |
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| SI3210DCQ1-EVB | 功能描述:子卡和OEM板 Si3210 QFN Daughter Card RoHS:否 制造商:BeagleBoard by CircuitCo 產品:BeagleBone LCD4 Boards 用于:BeagleBone - BB-Bone - Open Source Development Kit |
| SI3210DCQX-EVB | 功能描述:子卡和OEM板 Si3210 QFN Daughter Card RoHS:否 制造商:BeagleBoard by CircuitCo 產品:BeagleBone LCD4 Boards 用于:BeagleBone - BB-Bone - Open Source Development Kit |
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