LC75833E-E Datasheet, PDF (9/19 Pages) Sanyo Semicon Device – 1/3 Duty General-Purpose LCD Display Drivers

LC75833E, 75833W, 75833JE
Serial Data Transfer Examples
• At the LC75833E and LC75833W when 73 or more segments are used, at the LC75833JE when 64 or more segments
are used.
144 bits of serial data must be sent.
8 bits
01100010
B0 B1 B2 B3 A0 A1 A2 A3
D1 D2 D3
48 bits
D31 D32 D33 D34 D35 D36 0 0 0 P0 P1 P2 P3 DR SC BU 0 0
01100010
B0 B1 B2 B3 A0 A1 A2 A3
D37 D38 D39
D67 D68 D69 D70 D71 D72 0 0 0 0 0 0 0 0 0 0 0 1
01100010
B0 B1 B2 B3 A0 A1 A2 A3
D73 D74 D75
D103 D104 D105 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0
A06556
Note: At the LC75833JE, the display data D34 to D36, D67 to D72, D103 to D105 must be set to 0.
• At the LC75833E and LC75833W when used with less than 73 segments, at the LC75833JE when used with less than
64 segments.
Transfer either 48 bits or 96 bits of serial data depending on the number of segments used. However, the serial data
shown in the figure below (the display data D1 to D36 and the control data) must be sent.
8 bits
48 bits
01100010
B0 B1 B2 B3 A0 A1 A2 A3
D1 D2 D3
D31 D32 D33 D34 D35 D36 0 0 0 P0 P1 P2 P3 DR SC BU 0 0
A06557
Note: At the LC75833JE, the display data D34 to D36 must be set to 0.
Control Data Functions
1. P0 to P3: Segment output port/general-purpose output port switching control data.
These control data bits switch the S1/P1 to S8/P8 output pins between their segment output port and general-purpose
output port functions.
Control data
Output pin states
P0 P1 P2 P3 S1/P1 S2/P2 S3/P3 S4/P4 S5/P5 S6/P6 S7/P7 S8/P8
0
0
0
0
S1
S2
S3
S4
S5
S6
S7
S8
0
0
0
1
P1
S2
S3
S4
S5
S6
S7
S8
0
0
1
0
P1
P2
S3
S4
S5
S6
S7
S8
0
0
1
1
P1
P2
P3
S4
S5
S6
S7
S8
0
1
0
0
P1
P2
P3
P4
S5
S6
S7
S8
0
1
0
1
P1
P2
P3
P4
P5
S6
S7
S8
0
1
1
0
P1
P2
P3
P4
P5
P6
S7
S8
0
1
1
1
P1
P2
P3
P4
P5
P6
P7
S8
1
0
0
0
P1
P2
P3
P4
P5
P6
P7
P8
Note: Sn (n = 1 to 8): Segment output ports
Pn (n = 1 to 8): General-purpose output ports
No. 5580-9/19