參數(shù)資料
型號： MT9076
廠商： Mitel Networks Corporation
英文描述： T1/E1/J1 3.3V Single Chip Transceiver(T1/E1/J1 3.3V 單片收發(fā)器)
中文描述： T1/E1/J1收發(fā)3.3V的單芯片收發(fā)器（T1/E1/J1收發(fā)3.3單片收發(fā)器）
文件頁數(shù)： 61/162頁
文件大?。?/td> 427K
代理商： MT9076
Preliminary Information
MT9076
57
19.0 Digital Framer Mode
19.1
T1 Mode
Setting bit 4 in the Configuration Control Word (address 10H of Master Control Page 2) disables the LIU and
converts the MT9076 into a digital T1 transceiver. The digital 2.048 Mb/s ST-BUS backplane maps into transmit
and receive digital 1.544 Mb/s streams. The 1.544 Mb/s transmit streams may be formatted for single phase
NRZ (by setting bit 7 of the LIU Control Word - Master Page 1 high) or two phase NRZ. The data rate
conversion (between 2.048 Mb/s and 1.544 Mb/s) is done within the MT9076. The transmit 1.544 MHz clock is
internally generated from a PLL that locks onto the input C4b clock. This clock is then output on pin E1.5o/
Exclk (PLCC pin 44 - LQFP pin 22). The digital 1.544 Mb/s transmit data is output on pins TXA and TXB (PLCC
pins 37,38 - LQFP pins 12, 13) with the rising edge of pin Exclk. If the control bit Tx8KEN is set high (page 2H
address 10H bit 2) the pin RxMF/TxFP will generate an 8 KHz positive frame pulse synchronous with the Sbit
clocked out on TXA/TXB. Receive digital data is clocked in on pins RRING and RTIP. This data is clocked in
with the rising edge of the input 1.544 Mhz clock S/FR/Exclki (PLCC pin 66, LQFP pin 48).
19.1.1
Setting bit 4 in the Configuration Control Word (address 10H of Master Control Page 2) disables the LIU and
converts the MT9076 into a digital E1 transceiver. The digital 2.048 Mb/s ST-BUS backplane maps into transmit
and receive digital 2.048 Mb/s streams. The 2.048 Mb/s transmit data streams may be formatted for single
phase NRZ (by setting bit 7 of the LIU Control Word - Master Page 1 high) or two phase NRZ. The transmit
2.048 MHz clock is derived from the input C4b clock. This clock is then output on pin Exclk (PLCC pin 44 -
LQFP pin 22). The digital 2.048 Mb/s transmit data is output on pins TXA and TXB (PLCC pins 37,38 - LQFP
pins 12, 13) with the rising edge of Exclk. If the control bit Tx8KEN is set high (page 2H address 10H bit 2) the
pin RxMF/TxFP will generate an 8 KHz positive frame pulse synchronous with the Sbit clocked out on TXA/
TXB. Receive digital data is clocked in on pins RRING and RTIP. This data is clocked in with the rising edge of
the input 2.048 Mhz clock S/FR/Exclki (PLCC pin 66, LQFP pin 48).
E1 mode
Interrupt Mask Word Three
Bit 7
Bit 0
- - -
- - -
- - -
JAI
1SECI 5SECI
RCRI
SIGI
HDLC Interrupt Masks
Bit 7
Bit 0
Ga
EOPD TEOP
EopR
TxFl
FATxU
RxFf
RxOv
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MT9076AB 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:T1/E1/J1 3.3V Single Chip Transceiver
MT9076AP 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:T1/E1/J1 3.3V Single Chip Transceiver
MT9076B 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:T1/E1/J1 3.3 V Single Chip Transceiver
MT9076BB 制造商:Zarlink Semiconductor Inc 功能描述:FRAMER E1/J1/T1 3.3V 80LQFP - Trays
MT9076BB1 制造商:Zarlink Semiconductor Inc 功能描述:FRAMER E1/J1/T1 3.3V 80LQFP - Trays
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