sc16311 Silan, sc16311 Datasheet - Page 8

• Manufacturer Part Number: sc16311
• Description: Vfd Controller/driver
• Manufacturer: Silan

Key Scanning and Display Timing
HANGZHOU MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
(4) Display control command
On power application, the 1/16-pulse width is set and the display is turned off.
*: On power application, key scanning is stopped.
One cycle of key scanning consists of two frames, and data of 12 x 4 matrices is stored in RAM.
MSB
1
0
SEG Output DIG1 DIG2 DIG3
Don't care
-
G1
G2
G3
Gn
-
TDISP 500 s
TDISP
1/16
b3
b2
1 frame = TDISP X (n + 1)
b1
b0
.........
LSB
Sets dimming quantity.
000: Sets pulse width to 1/16.
001: Sets pulse width to 2/16.
010: Sets pulse width to 4/16.
011: Sets pulse width to 10/16.
100: Sets pulse width to 11/16.
101: Sets pulse width to 12/16.
110: Sets pulse width to 13/16.
111: Sets pulse width to 14/16.
Turns on/off display.
0: Display off(key scan continues*)
1: Display on
DIGn
key scan data
...
DIG1
REV:1.0
SC16311
Page 8 of 11
2004.08.03