Figure 2-22. serial data transfer procedure – Epson 4003353 User Manual
Page 48
The following figure shows the contents of the 4-bit serial
data and how these data are transacted
by the
driver. The step time of the reference voltage is determined by the interval time
of the strobe pulse.
+5
-------------------- -------------------- ------------
Voltage Selection
Circuit
(Phase Signal)
1-bit
2-bit
3-bit
4-bit
a
b
c
Latch
2-bit
3-bit
4-bit
4-bit Serial Data
Phase
a
b
c
4-bit
Shift Register
.
.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
STRB
4
Reading of serial data from the
phase signal
in order
At this time, reference voltage selection
circuit checks phase
signal outputs
Figure 2-22. Serial Data Transfer Procedure
2-18
Rev. A