STM86312 STMicroelectronics, STM86312 Datasheet - Page 16
STM86312
Manufacturer Part Number
STM86312
Description
IC DRIVER/CONTROLLER VFD 44PQFP
Manufacturer
STMicroelectronics
Datasheet
1.STM86312.pdf
(24 pages)
Specifications of STM86312
Display Type
Vacuum Fluorescent (VF)
Configuration
16 Segments
Interface
Serial
Digits Or Characters
4 Digits
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
44-MQFP, 44-PQFP
Driver Type
VFD Drivers
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Maximum Output Current
25 mA
Minimum Operating Temperature
- 40 C
For Use With
497-5046 - KIT TOOL FOR ST7/UPSD/STR7 MCU
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Current - Supply
-
Lead Free Status / Rohs Status
No
Other names
497-4363
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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
Don’t Care
STM86312