PT6311_10 Datasheet, PDF (9/22 Pages) Princeton Technology Corp – VFD Driver/Controller IC

PT6311
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”.
MSB
LSB
0 1 - - b3 b2 b1 b0
Not Relevant
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
V3.2
9
November 2009