BU97540KV-M Datasheet, PDF (30/70 Pages) Rohm – Multi-function Segment Drivers

BU97540KV-M
Output Pin^(Note19)
COM1
COM2
COM3
COM4
CLKIO/S64
SYNCIO/S65
S66/TESTIN
D253
D254
D255
D256
COM5/S67
D257
D258
D259
D260
COM4/S68
D261
D262
D263
D264
COM3/S69
D265
D266
D267
D268
COM2/S70
D269
D270
D271
D272
COM1/S71
D273
D274
D275
D276
S72
D277
D278
D279
D280
OSC_IN/S73
D281
D282
D283
D284
(Note 19) The Segment Output Port function is assumed to be selected for the output pins – S1/P1/G1 to S9/P9/G9.
Also, CLKIO/S64 and SYNCIO/S65 pins are used as SYNC and CLK inputs.
To illustrate further, the states of the S21 output pin is given in the table below.
Display data
D81 D82 D83 D84
State of S21 Output Pin
0
0
0
0 LCD Segments corresponding to COM1 to COM4 are OFF.
0
0
0
1 LCD Segment corresponding to COM4 is ON.
0
0
1
0 LCD Segment corresponding to COM3 is ON.
0
0
1
1 LCD Segments corresponding to COM3 and COM4 are ON.
0
1
0
0 LCD Segment corresponding to COM2 is ON.
0
1
0
1 LCD Segments corresponding to COM2 and COM4 are ON.
0
1
1
0 LCD Segments corresponding to COM2 and COM3 are ON.
0
1
1
1 LCD Segments corresponding to COM2, COM3 and COM4 are ON.
1
0
0
0 LCD Segment corresponding to COM1 is ON.
1
0
0
1 LCD Segments corresponding to COM1 and COM4 are ON.
1
0
1
0 LCD Segments corresponding to COM1 and COM3 are ON.
1
0
1
1 LCD Segments corresponding to COM1, COM3 and COM4 are ON.
1
1
0
0 LCD Segments corresponding to COM1 and COM2 are ON.
1
1
0
1 LCD Segments corresponding to COM1, COM2, and COM4 are ON.
1
1
1
0 LCD Segments corresponding to COM1, COM2, and COM3 are ON.
1
1
1
1 LCD Segments corresponding to COM1, COM2, COM3 and COM4 are ON.
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29.Jun.2015 Rev.002