T7507 Quad PCM Codec with Filters,
Termination Impedance, and Hybrid Balance
Data Sheet
August 1999
Microprocessor Interface (continued)
1465 ns AT CCLK
2.048 MHz
CSEL
CCLK
EN
tCCL1CCL2
tCCH1CCH2
tENL
tSU1BO2
tSU1RD
tSU2BO1
tSU2RD
RD1, RD2, RD3
B0/B1
NSTAT/NTSD
5-5808(F)
Figure 10. SLIC/Switch Interface Timing
tCCHCCL
tCCHCCH
tCCL1CCL2
CCLK
CSEL
DI
tCSLCCL
tCIVCCL
tCIVCCL
tCCLCCH
tCSHCSL
tCCH1CCH2
tCCLCSH
tCCLCIX
D0
C1
M
D4
D3
D2
D1
D0
M
tCCLCIX
NSTAT
CH0
NTSD NSTAT NTSD NSTAT NTSD NSTAT
CH0 CH1 CH1 CH2 CH2 CH3
NTSD
CH3
NSTAT
CH0
DO
5-4517.b(F)
Figure 11. Microprocessor Interface Write Timing
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Lucent Technologies Inc.