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參數(shù)資料
| 型號： | M3488Q1 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 256 x 256 DIGITAL SWITCHING MATRIX |
| 中文描述： | 256 × 256數(shù)字切換矩陣 |
| 文件頁數(shù)： | 14/18頁 |
| 文件大小： | 193K |
| 代理商： | M3488Q1 |
INSTRUCTION3: LOADING ON A PCM OUTPUT CHANNEL FROM A MICROPROCESSOR BYTE
Control Signals
Match C/D
Data Bus
D4
Notes
CS
WR
RD
D7
D6
D5
D3
D2
D1
D0
X
0
0
0
1
X
X
X
X
X
Ci7
Ci6
Ci5
1
st
Data Byte: most significant digits to
be inserted.
2
nd
Data Byte: least significant digits to
be inserted.
3
rd
Data Byte: selected output bus.
X
0
0
0
1
X
X
X
Ci4
Ci3
Ci2
Ci1
Ci0
X
X
0
0
1
0
0
0
0
0
0
1
1
1
X
X
X
C7
(1
(Ci7
A7
(Bo2
X
X
X
C6
1
Ci6
A6
Bo1
X
X
X
C5
1
Ci5
A5
Bo0
X
X
Bo2 Bo1 Bo0
Co4 Co3 Co2 Co1 Co0 4th Data Byte: selected output channel..
X
0
1
0
0
Instruction Opcode
C4
1
Ci4
Ci3
Ci2
Ci1
Ci0)
for match condition
1
1
0
1
1
1)
Yes/no
Yes
0
0
1
0
C3
1
C2
1
C1
1
C0
1)
OR1: CM content copy, that is,
for mismatch condition,
Yes
1
0
1
0
0
1
1
1
OR2: that is.
Notes :
S7...S0 is a parallel copy of a PCM data, S7 is the most significant digit and the first of the sequence.
INSTRUCTION2: OUTPUT CHANNEL DISCONNECTION
Control Signals
Match C/D
X
0
X
0
Yes
1
Data Bus
D4
X
Co4 Co3 Co2 Co1 Co0 2
nd
Data Byte: selected output channel.
X
0
0
1
0
Instruction Opcode
OR1: CM Content Copy (output
channel is inactive)
1
1
0
1
1
1)
Notes
CS
0
0
0
WR
0
0
0
RD
1
1
1
D7
X
X
X
D6
X
X
X
D5
X
X
X
D3
X
D2
Bo2 Bo1 Bo0
D1
D0
1
st
Data Byte: selected output bus.
Yes
0
0
1
0
1
1
1
1
1
1
1
1
Yes
1
0
1
0
A7
(Bo2
A6
Bo1
A5
Bo0
0
1
1
1
OR2: that is.
INSTRUCTION4: TRANSFER OF A SINGLE PCM SAMPLE
Control Signals
Match C/D
X
0
X
0
Yes
1
Data Bus
D4
X
Co4 Co3 Co2 Co1 Co0 2
nd
Data Byte: selected output channel.
X
1
0
1
1
Instruction Opcode
C4
S4
S3
S2
S1
S0
1
1
0
1
1
1)
Notes
CS
0
0
0
WR
0
0
0
RD
1
1
1
D7
X
X
X
C7
S7
A7
(Bo2
D6
X
X
X
C6
S6
A6
Bo1
D5
X
X
X
C5
S5
A5
Bo0
D3
X
D2
Bo2 Bo1 Bo0
D1
D0
1
st
Data Byte: selected output bus.
Yes
0
0
1
0
C3
C2
C1
C0
OR1: CM Content Copy if C8 = 1; or
SM Content Sample if C8 = 0
OR2: that is.
Yes
1
0
1
0
0
1
1
1
M3488
14/18
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