BU9718KV Просмотр технического описания (PDF) - ROHM Semiconductor
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BU9718KV Datasheet PDF : 10 Pages
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Standard ICs
Timing charts
(1) When CK is stopped at “L”
CS
CK
D1
D2
D3
DI
Display data
BU9718KV
D95
0
0
0
0
0
Fig.3
Control code
BM
LC
OE
When CS is HIGH, data can be transferred. Data is sent to the shift register at the rising edge of CK. After all of the
DI data has been transferred, CS should be set to LOW. The voltage corresponding to the display data transferred at
the falling edge of CS is output.
(2) When CK is stopped at “H”
CS
CK
D1
D2
D3
D96
0
0
0
0
0
BM
LC
OE
DI
Display data
Control code
Fig.4
Control code table
OE Output enable control
0
Normal operation
1
No display; all display data = 0 (internal oscillation circuit is operating)
LC Low-power mode control
0
Normal operation
1
Low-power mode = internal oscillation circuit has stopped; segment and common output = 0
BM Bias mode control
0
1 / 3 bias
1
1 / 2 bias
5
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