PT6311-LQ PTC [Princeton Technology Corp], PT6311-LQ Datasheet - Page 9

• Manufacturer Part Number: PT6311-LQ
• Description: VFD Driver/Controller IC
• Manufacturer: PTC [Princeton Technology Corp]

COMMAND 2: DATA SETTING COMMANDS
The Data Setting Commands executes the Data Write or Data Read Modes for PT6311. The data Setting Command, the
bits 5 and 6 (b4, b5) are ignored, bit 7 (b6) is given the value of “1” while bit 8 (b7) is given the value of “0”. Please refer
to the diagram below.
When power is turned ON, bit 4 to bit 1 (b3 to b0) are given the value of “0”.
V3.2
MSB
0
1
Not Relevant
-
-
b3
b2
b1
Data Write & Read Mode Settings:
00: Write Data to Display Mode
01: Write Data to LED Port
10: Read Key Data
11: Read SW Data
Address Increment Mode Settings (Display Mode):
0: Increment Address after Data has been Written
1: Fixed Address
Mode Settings:
0: Normal Operation Mode
1: Test Mode
b0
LSB
9
November 2009
PT6311