STM86312_06 STMICROELECTRONICS [STMicroelectronics], STM86312_06 Datasheet - Page 16
STM86312_06
Manufacturer Part Number
STM86312_06
Description
1/4 to 1/11-duty VFD controller/driver
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.STM86312_06.pdf
(24 pages)
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Commands
8.4
Note:
Note:
16/24
Display control command
Figure 9.
On power application, the 1/16-pulse width is set and the display is turned off.
On power application, key scanning is stopped.
Figure 10. Key scanning and display timing
* The value can be modified by trimmering R
One cycle of key scanning consists of one frame, and data of 6 x 4 matrices are stored in
RAM.
MSB
1
0
Display control command
-
-
b3
b2
b1
OSC
.
LSB
b0
011 : Set Pulse Width to 10/16
100 : Set Pulse Width to 11/16
101 : Set Pulse Width to 12/16
110 : Set Pulse Width to 13/16
111 : Set Pulse Width to 14/16
000 : Set Pulse Width to 1/16
001 : Set Pulse Width to 2/16
010 : Set Pulse Width to 4/16
TURNS ON/OFF DISPLAY
(Key Scan Continues note)
Display mode setting
0= Display OFF
1= Display ON
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STM86312
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