Receive ac timing figure 6, Transmit ac timing figure 7, Transmit ac timing for the tl input figure 8 – Rainbow Electronics DS2172 User Manual

Page 19

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DS2172

031197 19/20

RECEIVE AC TIMING Figure 6

t

R

t

F

t

SU1

t

SU2

t

HD1

t

HD2

t

WRL

t

CP

t

CH

t

CL

RCLK

RDATA

RDIS

RL/LC

TRANSMIT AC TIMING Figure 7

TCLK

TDATA

TDIS

SEE NOTE BELOW

t

CP

t

CL

t

CH

t

HD

t

SU

t

DD

t

F

t

R

NOTE: When TDIS is high about the rising edge of TCLK, TDATA will not be updated and will be held with the previous
valve until TDIS is low about the rising edge of TCLK.

TRANSMIT AC TIMING FOR THE TL INPUT Figure 8

TCLK

TDATA

TL

t

STL

t

WTL

t

HTL

NOTE: The rising edge of TL causes the internal pattern generation circuitry to be reloaded; the first bit of the new
pattern (the shaded one) will appear after two TCLK periods.

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