Cirrus Logic CS61884 - Manual (Page 31)

CS61884
DS485F3 31
E
n
coder
Decoder
TNEG
TCLK
RNEG
RCLK
TPOS
RPOS
TTIP
TRING
RTIP
RRING
Clock Recovery &
Data Recovery
Transmit
Control &
Pulse Shaper
Jitte
r
A
tt
enuat
or
Jitter
A
tt
enuat
or
Figure 10. 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
Jitter
Attenuator
Jitter
Attenuator
(All One's)
Figure 11. Digital Loopback with TAOS
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 12. Remote Loopback Block Diagram