Xilinx Virtex-5 FPGA ML561 User Manual
Page 131

Virtex-5 FPGA ML561 User Guide
131
UG199 (v1.2.1) June 15, 2009
Hardware Schematic Diagram
R
Set page address
0
0
1
0
1
1
P3
P2
P1
P0
This instruction sets the address of the display data page. Any RAM data bit can be accessed when its page address and column address are
specified. Changing the Page Address does not affect the display status.
P3
P2
P1
P0
0
0
0
0
page 0
0
0
0
1
page 1
..
..
..
..
...
0
1
1
1
page 7
1
0
0
0
page 8
Set column address MSB
0
0
0
0
0
1
Y7
Y6
Y5
Y4
Set column address LSB
0
0
0
0
0
0
Y3
Y2
Y1
Y0
This instruction sets the address of the display data RAM. When a read or write to or from the display data RAM occurs, the addresses are
automatically increased.
Y7
Y6
Y5
Y4
Y3
Y2
Y1
Y0
0
0
0
0
0
0
0
0
Col
Addr 0
0
0
0
0
0
0
0
1
Col
Addr 1
..
..
..
..
..
..
..
..
...
1
1
1
1
1
1
1
0
Col
Addr
130
1
1
1
1
1
1
1
1
Col
Addr
131
ADC select
0
0
1
0
1
0
0
0
0
ADC
This instruction changes the relationship between RAM column address and segment driver.
ADC = 0, SEG1 --> SEG132 default mode
ADC = 1, SEG132 --> SEG1
Table C-6:
Display Instructions (Continued)
Instruction
RS
RW
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0