CS61304A Cirrus Logic, Inc., CS61304A Datasheet - Page 7

• Manufacturer Part Number: CS61304A
• Description: T1-E1 Line Interface Unit for CPE-ISDN PRI
• Manufacturer: Cirrus Logic, Inc.

DS156PP2
CS
SCLK
SDI
TPOS/TNEG
Figure 3a. Transmit Clock and Data Switching
CS
SCLK
SDO
CLKE = 1
TCLK
t dc
LSB
t cc
Figure 6. Extended Hardware Mode Parallel Chip Select Timing Diagram
Characteristics
CONTROL
LEN0/1/2, TAOS,
RLOOP, LLOOP,
RCODE, TCODE
t pwh2
t su2
t ch
t
cdv
t cdh
t pw2
t cl
BYTE
PCS
Figure 4. Serial Port Write Timing Diagram
Figure 5. Serial Port Read Timing Diagram
t h2
t su4
LSB
VALID INPUT DATA
Figure 3b. Alternate External Clock Characteristics
DATA
t pcsl
ACLKI
BYTE
t cdh
t pwh3
t h4
MSB
t pw3
t cch
t cdz
CS61304A
HIGH Z
t cwh
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