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LC75874W View Datasheet(PDF) - SANYO -> Panasonic

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LC75874W Datasheet PDF : 16 Pages
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Serial Data Transfer Example
1. When 201 or more segments are used
All 320 bits of serial data must be sent.
8 bits
LC75874E, 75874W
80 bits
2. When fewer than 201 segments are used
Either 80, 160 or 240 bits of serial data may be sent, depending on the number of segments used. However, the serial
data shown below (the D1 to D68 display data and the control data) must be sent.
8 bits
80 bits
Control Data Functions
1. P0 to P3: Segment output port/general-purpose output port switching control data
These control data bits switch the segment output port/general-purpose output port functions of the S1/P1 to S8/P8
output pins.
Control data
P0
P1
P2
P3
S1/P1 S2/P2
0
0
0
0
S1
S2
0
0
0
1
P1
S2
0
0
1
0
P1
P2
0
0
1
1
P1
P2
0
1
0
0
P1
P2
0
1
0
1
P1
P2
0
1
1
0
P1
P2
0
1
1
1
P1
P2
1
0
0
0
P1
P2
Note: Sn (n = 1 to 8): Segment output port function
Pn (n = 1 to 8): General-purpose output port function
S3/P3
S3
S3
S3
P3
P3
P3
P3
P3
P3
Output pin state
S4/P4 S5/P5
S4
S5
S4
S5
S4
S5
S4
S5
P4
S5
P4
P5
P4
P5
P4
P5
P4
P5
S6/P6
S6
S6
S6
S6
S6
S6
P6
P6
P6
S7/P7
S7
S7
S7
S7
S7
S7
S7
P7
P7
S8/P8
S8
S8
S8
S8
S8
S8
S8
S8
P8
Note that when the general-purpose output port function is selected, the correspondence between the output pins and
the display data will be that shown in the table.
Output pin
S1/P1
S2/P2
S3/P3
S4/P4
Corresponding display data
D1
D5
D9
D13
Output pin
S5/P5
S6/P6
S7/P7
S8/P8
Corresponding display data
D17
D21
D25
D29
For example, if the general-purpose output port function is selected for the S4/P4 output pin, that output pin will
output a high level (VLCD) when the display data D13 is 1, and a low level (VSS) when the D13 is 0.
No. 4465-No. 5800-8/16
 

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