Datasheet


SLAS357 − DECEMBER 2001
10
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PARAMETER MEASUREMENT INFORMATION
0 1 2 3 4 N−2 N−1 N N+1
Transmit Time Slot
1 2 3 4 N−2 N−1 N
80%
20%
t
su(PCMSYN)
t
h(PCMSYN)
See Note A
See Note C
See Note B
t
pd2
t
pd1
See Note D
t
su(PCMO)
t
pd3
80%
20%
MCLK
PCMSYN
PCMO
NOTES: A. This window is allowed for PCMSYN high.
B. This window is allowed for PCMSYN low (t
h(PCMSYN)
max determined by data collision considerations).
C. Transitions are measured at 50%.
D. Bit 1 = Most significant bit (MSB), Bit N = Least significant bit (LSB)
Figure 1. Transmit Timing Diagram
80%
20%
See Note C
PCMI
PCMSYN
MCLK
0 1 2 3 4 N −2 N −1 N N +1
20%
80%
1 2 3 4 N −2 N −1 N
See Note D
t
h(PCMSYN)
t
su(PCMSYN)
See Note A
t
su(PCMI)
t
h(PCMI)
See Note B
Receive Time Slot
NOTES: A. This window is allowed for PCMSYN high.
B. This window is allowed for PCMSYN low.
C. Transitions are measured at 50%.
D. Bit 1 = Most significant bit (MSB), Bit N = Least significant bit (LSB)
Figure 2. Receive Timing Diagram