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参数资料
| 型号： | ZL50233/GDG |
| 厂商： | ZARLINK SEMICONDUCTOR INC |
| 元件分类： | 数字传输电路 |
| 英文描述： | DATACOM, ISDN ECHO CANCELLER, PBGA208 |
| 封装： | 17 X 17 MM, 1.30 MM HEIGHT, MO-192, LBGA-208 |
| 文件页数： | 24/38页 |
| 文件大小： | 547K |
| 代理商： | ZL50233/GDG |
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ZL50233
Data Sheet
30
Zarlink Semiconductor Inc.
Main Control Register 1 (EC Group 1)
R/W Address: 401hex
Power-up 00hex
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Unused
MTDBI
MTDAI
Format
Law
PWUP
Functional Description of Register Bits
Unused
Unused Bits.
MTDBI
Mask Tone Detector B Interrupt: When high, the Tone Detector interrupt output from Echo Canceller
B is masked. The Tone Detector operates as specified in Echo Canceller B, Control Register 2.
When low, the Tone Detector B Interrupt is active.
MTDAI
Mask Tone Detector A Interrupt: When high, the Tone Detector interrupt output from Echo Canceller
A is masked. The Tone Detector operates as specified in Echo Canceller A, Control Register 2.
When low, the Tone Detector A Interrupt is active.
Format
ITU-T/Sign Mag: When high, both Echo Cancellers A and B for a given group, select ITU-T (G.711)
PCM code. When low, both Echo Cancellers A and B for a given group, select sign-magnitude PCM
code.
Law
A/
Law: When high, both Echo Cancellers A and B for a given group, select A-Law companded
PCM code. When low, both Echo Cancellers A and B for a given group, select
-Law companded
PCM code.
PWUP
Power-UP: When high, both Echo Cancellers A and B and Tone Detectors for a given group, are
active. When low, both Echo Cancellers A and B and Tone Detectors for a given group, are placed
in Power Down mode. In this mode, the corresponding PCM data are bypassed from Rin to Rout
and from Sin to Sout with two frames delay. When the PWUP bit toggles from zero to one, the
echo cancellers A and B execute their initialization routine which presets their registers, Base
Address+00hex to Base Address+3Fhex, to default Reset Value and clears the Adaptive Filter
coefficients. Two frames are necessary for the initialization routine to execute properly. Once the
initialization routine is executed, the user can set the per channel Control Registers for their specific
application.
Interrupt FIFO Register
Power-up 00hex
R/W Address: 410hex
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
IRQ
Unused
I4
I3
I2
I1
I0
Functional Description of Register Bits
IRQ
Logic high indicates an interrupt has occurred. IRQ bit is cleared after the Interrupt FIFO register is
read. Logic Low indicates that no interrupt is pending and the FIFO is empty.
Unused
Unused bit.
Unused
Unused bit.
I<4:0>
I<4:0> binary code indicates the channel number at which a Tone Detector state change has
occurred. Note: Whenever a Tone Disable is detected or released, an interrupt is generated.
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相关代理商/技术参数 |
参数描述 |
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| ZL50233QC | 制造商:ZARLINK 制造商全称:Zarlink Semiconductor Inc 功能描述:4 Channel Voice Echo Cancellor |
| ZL50233QCC | 制造商:ZARLINK 制造商全称:Zarlink Semiconductor Inc 功能描述:4 Channel Voice Echo Cancellor |
| ZL50233QCG1 | 制造商:Microsemi Corporation 功能描述:ECHO CANCELLER CHIP 4-CH G.165/G.168/G.711 W/ TONE DETECTION - Trays 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC VOICE ECHO CANCEL 4CH 100LQFP 制造商:Microsemi Corporation 功能描述:IC VOICE ECHO CANCEL 4CH 100LQFP |
| ZL50234 | 制造商:ZARLINK 制造商全称:Zarlink Semiconductor Inc 功能描述:8 Channel Voice Echo Canceller |
| ZL50234/GDC | 制造商:Microsemi Corporation 功能描述:ECHO Canceller Chip 8-CH G.164/G.165/G.168/G.711 With Tone Detection 208-Pin LBGA Tray 制造商:Microsemi Corporation 功能描述:ECHO CANCELLER CHIP 8CH G.164/G.165/G.168/G.711 W/ TONE DETE - Trays 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC VOICE ECHO CANCEL 8CH 208LBGA 制造商:Microsemi Corporation 功能描述:IC VOICE ECHO CANCEL 8CH 208LBGA |
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