STM86312 STMicroelectronics, STM86312 Datasheet - Page 15

• Manufacturer Part Number: STM86312
• Description: IC DRIVER/CONTROLLER VFD 44PQFP
• Manufacturer: STMicroelectronics

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

STM86312
8.2
8.3
Data setting command
This command sets data write and data read modes.
Figure 7.
On power application, the normal operation mode and address increment mode are set.
Do not use STM86312 in test mode.
Address setting command
This command sets an address of the display memory
Figure 8.
If address 16H or higher is set, the data are ignored, until a correct address is set.
On power application, the address is set to 00H.
MSB
MSB
0
1
1
1
Data setting command
Address setting command
-
-
b4
-
b3
0
b2
b2
b1
b1
LSB
LSB
b0
b0
0= Increments address after data has
00 : Write data to display memory
Data write and read mode setting
ADDRESS INCREMENT MODE
SETTING (DISPLAY MEMORY)
01 : Write data to LED port
Address (00H-15H)
10 : Read key data
11 : Read SW data
1= Fixed address
been written
Don’t Care
Don’t Care
Commands
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