sc16312 Silan, sc16312 Datasheet - Page 6

• Manufacturer Part Number: sc16312
• Description: Vfd Controller/driver Of 1/4 ~1/11 Duty
• Manufacturer: Silan

3. LED PORT
this port is 0, the corresponding LED lights; when the bit is 1, the LED turns off. The data of bits 5 through 8 are
ignored.
4. SW DATA
5. COMMANDS
command.
commands/data being transmitted are invalid (however, the commands/data previously transmitted remain valid).
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On power application, all LEDs are unlit.
SW data is read with the read command, starting from the least significant bit. Bits 5 to 8 of the SW data are 0.
Data is written to the LED port with command, starting from the least port’ s least significant bit. When a bit of
(1) Display mode setting commands
Commands set the display mode and status of the FIP driver.
The first 1 byte input to the SC16312 through the DIN pin after the STB pin has fallen is regarded as a
If STB is set high while commands/data are transmitted, serial communication is initialized, and the
These commands initialize the SC16312 and select the number of segments and the number of grid (1/4 to
1/11 duty, 11 segments to 16 segments).
When these commands are executed, the display is forcibly turned off, and key scanning is also stopped. To
resume display, the display command “ ON” must be executed. If the same mode is selected, however,
nothing happens.
On power application, the 11-digit, 11-segment mode is selected.
MSB
MSB
0
MSB
0
0
0
Don't care
Irrelevant
0
0
b3
b2
b3
b1
b2
b2
b0
b1
b1
LSB
000: 4 digits, 16 segments
001: 5 digits, 16 segments
010: 6 digits, 16 segments
011: 7 digits, 15 segments
100: 8 digits, 14 segments
101: 9 digits, 13 segments
110: 10 digits, 12 segments
111: 11 digits, 11 segments
Display mode settings
b0
LSB
b0
LSB
LED1
LED2
LED3
LED4
SW1
SW2
SW3
SW4
REV:1.4
SC16312
Page 6 of 13
2006.02.27