Data Sheet
February 1998
T7503 Dual PCM Codec with Filters
Timing Characteristics
(continued)
TIME SLOT
tMCHMCL1
MCLK
tMCH1MCH2
2
tFSLMCL
3
4
5
tMCL2MCL1
6
7
8
9
10
11
16
1
tFSHMCL
FS
tMCHDV
CH 0
BIT 1
tMCHDV1
CH 0
BIT 2
CH 0
BIT 3
CH 0
BIT 4
CH 0
BIT 5
CH 0
BIT 6
tMCLDV
BIT
3
BIT
4
BIT
5
BIT
6
BIT
7
BIT
8
BIT
1
BIT
2
D
R
STABLE
BIT
3
CH 0
BIT 7
CH 0
BIT 8
CH 1
BIT 1
CH1
BIT 2
CH 1
BIT 3
tMCHDZ
CH 1
BIT 8
Dx
tDVMCL
D
R
BIT
1
BIT
2
D
R
STABLE
BIT
8
5-3581.c
Figure 5. Short FS Transmit and Receive Timing (Channel 0 First)
TIME SLOT
tMCHMCL1
MCLK
tMCH1MCH2
2
3
4
5
tMCL2MCL1
tFSHMCL
FS
tMCHDV1
CH 1
BIT 1
CH 1
BIT 2
CH 1
BIT 3
CH 1
BIT 4
CH 1
BIT 5
CH 1
BIT 6
tMCLDV
BIT
3
BIT
4
BIT
5
BIT
6
BIT
7
BIT
8
BIT
1
BIT
2
D
R
STABLE
BIT
3
BIT
8
CH 1
BIT 7
CH 1
BIT 8
CH 0
BIT 1
CH0
BIT 2
CH 0
BIT 3
6
tFSLMCL
7
8
9
10
11
16
1
tMCHDV
tMCHDZ
CH 0
BIT 8
Dx
tDVMCL
D
R
BIT
1
BIT
2
D
R
STABLE
5-3581.d
Figure 6. Long FS Transmit and Receive Timing (Channel 1 First)
Lucent Technologies Inc.
11
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