Epson 4003353 - 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