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參數(shù)資料
| 型號： | MT8982-1 |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | ISO-CMOS ST-BUS⑩ FAMILY Small Digital Switch (MiniDX) |
| 中文描述： | 異意法半導(dǎo)體的CMOS總線⑩家庭小型數(shù)字交換機（MiniDX） |
| 文件頁數(shù)： | 2/14頁 |
| 文件大?。?/td> | 223K |
| 代理商： | MT8982-1 |
MT8982
ISO-CMOS
2-32
Figure 2 - Pin Connections
Pin Description
Pin #
Name
Description
16
20
1-2
1-2
STi0-
STi1
Serial TDM Input 0 and 1 (Inputs).
2048 kbit/s input data streams containing 32 8-bit
channels synchronized to F0i.
3-4
4-5
STo0-
STo1
Serial TDM Output 0 and 1 (Outputs).
2048 kbit/s output data streams containing 32
8-bit channels synchronized to F0i.
5
6
RxD/
CSTi0
Received Data/Control Stream Input 0 (Input).
When MPS is low, this pin receives serial
microport data clocked in by the rising edge SCLK. When MPS is high, this pin receives a
2048 kbit/s serial TDM stream containing 32 8-bit channels, which are written into the
Connect Memory locations corresponding to STo0.
6
7
TxD
Transmit Data (Output).
When MPS is low, serial microport data is clocked out on this pin
by the falling edge of SCLK. When MPS is high this output is disabled.
7
9
SCLK/
CSTi1
Serial Microport Clock/Control Stream Input 1 (Input).
When MPS is low, this pin
receives a clock which is used to clock data to/from a microcontroller via a serial microport.
When MPS is high, this pin receives a 2048 kbit/s serial TDM stream containing 32 8-bit
channels, which are written into the Connect Memory locations corresponding to STo1.
8
10
V
SS
Power Input.
Negative supply (ground).
9
11
CS
Chip Select (Input).
When MPS is low, a low on this pin enables the serial microport. A
high on this pin disables RxD and tristates TxD. When MPS is high, this pin must be low.
10
12
C4i
Serial TDM Clock (Input).
This clock input is used to clock the TDM data into and out of
the device and refreshes the internal dynamic RAM. The clock rate is 4.096 MHz and data
is clocked in on the rising edge of C4i three-quarters of the way through a bit period.
11
14
F0i
Frame Pulse (Input).
This input is the frame synchronization pulse for the 2048 kbit/s
serial TDM streams. It may be either active low stradling the frame boundary (ST-BUS) or
active high at the beginning of timeslot 5 (GCI).
12
16
F0o
Frame Pulse (Output).
This pin outputs a frame pulse in the opposite format to F0i (GCI
or ST-BUS) delayed or advanced by five channels.
13
17
MPS
Microport Select (Input).
When this pin is held low, the serial microport is in normal mode.
When this pin is high, the microport is in serial bus mode.
14
18
IC
Internal Connection.
Tie to V
SS
for normal operation.
15
19
ODE
Output Drive Enable (Input).
When this pin is held high, the STo0 and STo1 output drivers
function normally. When this pin is low, STo0 and STo1 are tristated.
NB:
When ODE is high, individual channels on STo0 and STo1 can be tristated under
software control.
16
20
V
DD
Power Input.
Positive supply.
3,8,
13,15
NC
No Connection.
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
16 PIN CERDIP/PLASTIC/SOIC
STi0
STi1
STo0
STo1
RxD/CSTi0
TxD/NC
SCLK/CSTi1
VSS
VDD
ODE
IC
MPS
F0o
F0i
C4i
CS
1
2
3
4
5
6
7
8
9
10
11
12
20
19
18
17
16
15
14
13
STi0
STi1
NC
STo0
STo1
RxD/CSTi0
TxD/NC
NC
SCLK/CSTi1
VSS
20 PIN SSOP
VDD
ODE
IC
MPS
F0o
NC
F0i
NC
C4i
CS
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MT8982AC | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:ISO-CMOS ST-BUS⑩ FAMILY Small Digital Switch (MiniDX) |
| MT8982AE | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:ISO-CMOS ST-BUS⑩ FAMILY Small Digital Switch (MiniDX) |
| MT8982AN | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:ISO-CMOS ST-BUS⑩ FAMILY Small Digital Switch (MiniDX) |
| MT8982AS | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:ISO-CMOS ST-BUS⑩ FAMILY Small Digital Switch (MiniDX) |
| MT8985 | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Enhanced Digital Switch |
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