Cirrus Logic CS61880 - Manual (Page 31)

CS61880
DS450PP3 31
Encoder
Decoder
TNEG
TCLK
RNEG
RCLK
TPOS
RPOS
TTIP
TRING
RTIP
RRING
Clock Recovery &
Data Recovery
Transmit
Control &
Pulse Shaper
Jitter
Attenuator
Jitter
Attenuator
Figure 9. Digital Loopback Block Diagram
TAOS
MCLK
Encoder
Decoder
TNEG
TCLK
RNEG
RCLK
TPOS
RPOS
TTIP
TRING
RTIP
RRING
Clock Recovery &
Data Recovery
Transmit
Control &
Pulse Shaper
J
itte
r
At
tenuat
or
J
itte
r
At
tenuat
or
(All One's)
Figure 10. Digital Loopback with TAOS
Enc
oder
D
e
c
oder
TNEG
TCLK
RNEG
RCLK
TPOS
RPOS
TTIP
TRING
RTIP
RRING
Clock Recovery &
Data Recovery
Transmit
Control &
Pulse Shaper
J
itter
Attenuator
J
itter
Attenuator
Figure 11. Remote Loopback Block Diagram