M3488Q1 查看數據表（PDF） - STMicroelectronics
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M3488Q1 Datasheet PDF : 18 Pages
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M3488
INSTRUCTION2: OUTPUT CHANNEL DISCONNECTION
Control Signals
Data Bus
Match C/D CS WR RD D7 D6 D5 D4 D3 D2 D1 D0
Notes
X
0 0 0 1 X X X X X Bo2 Bo1 Bo0 1st Data Byte: selected output bus.
X
0 0 0 1 X X X Co4 Co3 Co2 Co1 Co0 2nd Data Byte: selected output channel.
Yes 1 0 0 1 X X X X 0 0 1 0 Instruction Opcode
Yes
0
0
1
0
1
1
1
1
1
1
1
1
OR1: CM Content Copy (output
channel is inactive)
Yes
1
0
1
0
A7 A6 A5
(Bo2 Bo1 Bo0
1
1
0
0
1
1
1
1
1 OR2: that is.
1)
INSTRUCTION3: LOADING ON A PCM OUTPUT CHANNEL FROM A MICROPROCESSOR BYTE
Control Signals
Data Bus
Match C/D CS WR RD D7 D6 D5 D4 D3 D2 D1 D0
Notes
X
0
0
0
1
X
X
X
X
X
Ci7
Ci6
Ci5
1st Data Byte: most significant digits to
be inserted.
X
0
0
0
1
X
X
X
Ci4
Ci3
Ci2
Ci1
Ci0
2nd Data Byte: least significant digits to
be inserted.
X
0 0 0 1 X X X X X Bo2 Bo1 Bo0 3rd Data Byte: selected output bus.
X 0 0 0 1 X X X Co4 Co3 Co2 Co1 Co0 4th Data Byte: selected output channel..
Yes/no 1 0 0 1 X X X X 0 1 0 0 Instruction Opcode
C7 C6 C5 C4 C3 C2 C1 C0 OR1: CM content copy, that is,
Yes 0 0 1 0 (1 1 1 1 1 1 1 1) for mismatch condition,
(Ci7 Ci6 Ci5 Ci4 Ci3 Ci2 Ci1 Ci0) for match condition
Yes
1
0
1
0
A7 A6 A5
(Bo2 Bo1 Bo0
1
1
0
0
1
1
1
1
1 OR2: that is.
1)
INSTRUCTION4: TRANSFER OF A SINGLE PCM SAMPLE
Control Signals
Data Bus
Match C/D CS WR RD D7 D6 D5 D4 D3 D2 D1 D0
Notes
X
0 0 0 1 X X X X X Bo2 Bo1 Bo0 1st Data Byte: selected output bus.
X
0 0 0 1 X X X Co4 Co3 Co2 Co1 Co0 2nd Data Byte: selected output channel.
Yes 1 0 0 1 X X X X 1 0 1 1 Instruction Opcode
Yes
0
0
1
0
C7 C6 C5 C4 C3 C2 C1 C0 OR1: CM Content Copy if C8 = 1; or
S7 S6 S5 S4 S3 S2 S1 S0
SM Content Sample if C8 = 0
Yes
1
0
1
0
A7 A6 A5
(Bo2 Bo1 Bo0
1
1
0
0
1
1
1
1
1 OR2: that is.
1)
Notes : S7...S0 is a parallel copy of a P CM data, S7 is the most significant digit and the first of the sequence.
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