PT6959_10 Datasheet, PDF (8/20 Pages) Princeton Technology Corp – LED Driver IC

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LED Driver IC
PT6959
COMMAND 3: ADDRESS SETTING COMMANDS
Address Setting Commands are used to set the address of the display memory. The address is
considered valid if it has a value of “00H” to 0DH”. If the address is set to 0EH or higher, the data is
ignored until a valid address is set. When power is turned ON, the address is set at “00H”.
Please refer to the diagram below.
MSB
LSB
1 1 - - b3 b2 b1 b0
Not Relevant
Address: 00H to 0DH
Display Mode and RAM Address
Data transmitted from an external device to PT6959 via the serial interface are stored in the Display
RAM and are assigned addresses. The RAM Addresses of PT6959 are given below in 8 bits unit.
SG1
SG4 SG5 SG8 SG9 SG12 SG13
SG14
00HL
02HL
04HL
06HL
08HL
0AHL
0CHL
00HU
02HU
04HU
06HU
08HU
0AHU
0CHU
01HL
03HL
05HL
07HL
09HL
0BHL
0DHL
01HU
03HU
05HU
07HU
09HU
0BHU
0DHU
DIG1
DIG2
DIG3
DIG4
DIG5
DIG6
DIG7
b0
b3
xxHL
Lower 4 bits
b4
b7
xxHU
Higher 4 bits
PT6959 V1.5
-8-
June, 2005