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參數(shù)資料
| 型號： | MT9079 |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | Advanced Controller for E1(先進的E1幀調(diào)節(jié)器和控制器) |
| 中文描述： | 高級控制器素E1（先進的素E1幀調(diào)節(jié)器和控制器） |
| 文件頁數(shù)： | 4/60頁 |
| 文件大小： | 347K |
| 代理商： | MT9079 |
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MT9079
4-210
21
23
17
R/W
[P]
RxD
[S]
CSTi0
[ST]
Read/Write (Input):
High - the parallel processor is reading data from the MT9079.
Low - the parallel processor is writing data to the MT9079.
Receive Data (Input):
This pin function is used in Motorola and National Microwire
serial controller mode. Data is sampled on the rising edge of SCLK, MSB first. See
CS pin description.
Control ST-BUS Zero (Input)
: A 2.048 Mbit/s serial control stream which contains
the device control, mode selection, and performance monitoring control.
22
24
18
CS
[SP]
Chip Select (Input)
: Low - selects the MT9079 parallel processor or serial controller
interface. High - the parallel processor or serial controller interface is idle and all
bus I/O pins will be in a high impedance state. When controller mode is selected,
the SCLK input is sampled when CS is brought low. If SCLK is high the device in is
Intel mode; if SCLK is low it will be in Motorola/National Microwire mode. This pin
has no function (NC) in ST-BUS mode.
23
25
19
DS
[P]
SCLK
[S]
CSTi1
[ST]
Data Strobe (Input)
: This input is the active low data strobe of the parallel
processor interface.
Serial Clock (Input):
This is used in serial controller mode to clock serial data in
and out of the MT9079 on RxD and SIO. If SCLK is high when CS goes low, the
device will be in Intel mode; if SCLK is low when CS goes low, it will be in
Motorola/National Microwire mode.
Control ST-BUS One (Input)
: A 2.048 Mbit/s serial control stream which contains
the per timeslot control programming.
24
26
20
C4i/C2i
4.096 MHz and 2.048 MHz System Clock (Input):
This is master clock for the serial
PCM data and ST-BUS sections of the MT9079. The MT9079 automatically detects
whether a 4.096 or 2.048 MHz clock is being used. See Figure 22 for timing
information.
25
27
21
E2i
2.048 MHz Extracted Clock (Input):
This clock is extracted from the received
signal. Its rising edge is used internally to clock in data received on RxA and RxB.
See Figure 29.
-
28
22
NC
No Connection.
26
29
23
RxB
Receive B (Input):
Received split phase unipolar signal decoded from a bipolar line
receiver. Receives RZ and NRZ bipolar signals. See Figures 29 and 31.
27
30
24
RxA
Receive A (Input):
Received split phase unipolar signal decoded from a bipolar line
receiver. Receives RZ and NRZ bipolar signals. See Figurs 29 and 31.
28
31
25
F0i
Frame Pulse (Input):
This is the ST-BUS frame synchronization signal which
delimits the 32 channel frame of all ST-BUS streams, as well as DSTi and DSTo in
all modes.
29
32
26
E8Ko
Extracted 8 kHz Clock (Output):
An 8 kHz signal generated by dividing the
extracted 2.048 MHz clock (E2i) by 256 and aligning it with the received PCM 30
frame. The 8 kHz signal can be used to synchronize the system clock with the
extracted 2.048 MHz clock. E8Ko is high when 8KSEL=0. See Figure 27.
30
33
27
DSTi
Data ST-BUS (Input).
A 2.048 Mbit/s serial stream which contains the 30 PCM or
data channels to be transmitted on the PCM 30 line. See Figure 4a.
Pin Description (Continued)
Pin #
Name
Description (see notes 1, 2 and 3)
DIP
PLCC
QFP
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MT9079AC | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:CMOS ST-BUS? FAMILY Advanced Controller for E1 |
| MT9079AE | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:CMOS ST-BUS? FAMILY Advanced Controller for E1 |
| MT9079AL | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:CMOS ST-BUS⑩ FAMILY Advanced Controller for E1 |
| MT9079AP | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:CMOS ST-BUS⑩ FAMILY Advanced Controller for E1 |
| MT9079APR | 制造商:Microsemi Corporation 功能描述:FRAMER E1 5V 44PLCC - Tape and Reel |
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