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參數(shù)資料
| 型號： | AS3588AQ |
| 廠商： | AUSTRIAMICROSYSTEMS AG |
| 元件分類： | 路由/交換 |
| 英文描述： | AB 7C 7#8 PIN RECP |
| 中文描述： | TELECOM, DIGITAL TIME SWITCH, PQFP44 |
| 封裝： | QFP-44 |
| 文件頁數(shù)： | 6/15頁 |
| 文件大?。?/td> | 98K |
| 代理商： | AS3588AQ |
Data Sheet
AS3588A
Rev. 3.1
Page 6 of 15
July 1999
Reading the registers in the order OR1 , OR2 must be
continued until completion or until the time frame runs
out. With a new time frame a new extraction process
begins, resuming the copy operation from the
background register. During extraction the active
channels are scanned from the highest to the lowest
number (from 7 to 0). While extraction is being carried
out the time interval requirements between active ris-
ing edges of RD are minimum 5 to 13 tCK for se-
quence OR2- OR1 and minimum 3 times tCK for se-
quence OR1 - OR2. Channel 0 extraction is disabled
by a reset pulse or by writing a zero mask into the de-
vice. This clears the mask register and the background
register
Instruction Tables
Instruction 1: Channel Connection / Disonnection
Control Signals
Data Bus
Comments
SEL
C/D
CS
WR
RD
D7
D6
D5
D4
D3
D2
D1
D0
X
0
0
0
1
X
X
X
X
X
BI2
BI1
BI0
Byte 1: PCM input line
X
0
0
0
1
X
X
X
CI4
CI3
CI2
CI1
CI0
Byte2: PCM input channel
X
0
0
0
1
X
X
X
X
X
BO2 BO1 BO0 Byte 3: PCM output line
X
0
0
0
1
X
X
X
CO4 CO3 CO2 CO1 CO0 Byte4: PCM output channel
1/0
1
0
0
1
X
X
X
X
0
0
0
1
Instruction Byte
1
0
0
1
0
C7
C6
C5
C4
C3
C2
C1
C0
OR1
(BI2)
(BI1)
(BI0)
(CI4)
(CI3)
(CI2)
(CI1)
(CI0) Contents of CM
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
Note 1
1
1
0
1
0
A7
A6
A5
C8
OP3 OP2 OP1 OP0 OR2
(BO2) (BO1) (BO0)
(0)
(0)
(0)
(0)
(1)
(BO2) (BO1) (BO0)
(1)
(0)
(0)
(0)
(1)
Note 1
Note1: The Connection memory contains all ones if not connected
Instruction 2: Output Channel Disconnection
Control Signals
Data Bus
Comments
SEL
C/D
CS
WR
RD
D7
D6
D5
D4
D3
D2
D1
D0
X
0
0
0
1
X
X
X
X
X
BO2 BO1 BO0 Byte 1: PCM output line
X
0
0
0
1
X
X
X
CO4 CO3 CO2 CO1 CO0 Byte 2: PCM output channel
1
1
0
0
1
X
X
X
X
0
0
1
0
Instruction Byte
1
0
0
1
0
C7
C6
C5
C4
C3
C2
C1
C0
OR1
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
Note 1
1
1
0
1
0
A7
A6
A5
C8
OP3 OP2 OP1 OP0 OR2
(BO2) (BO1) (BO0)
(1)
(0)
(0)
(1)
(0)
Note1: The Connection memory contains all ones if not connected
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