HDLX-3461 HP [Agilent(Hewlett-Packard)], HDLX-3461 Datasheet - Page 8

• Manufacturer Part Number: HDLX-3461
• Description: Four Character 6.9 mm (0.27 inch) Smart 5 x 7 Alphanumeric Displays
• Manufacturer: HP [Agilent(Hewlett-Packard)]

Figure 1. Internal Block Diagram.
CE
CE
CE
CE
WR
WR
CU
CU
1
2
1
2
A
D
A
D
0
0
0
3
CLR
CLR
CLR
– A
– D
– A
– D
D
D
D
D
1
6
0
1
1
2
5
6
2
7
2
2
3
CONTROL REGISTER
MASTER
BLANK
WRITE
ADDRESS
DATA IN
WRITE
READ
ADDRESS
DIGIT CURSOR
DIGIT BLANK
DISABLE
WRITE ADDRESS
WRITE
READ ADDRESS
BRIGHTNESS
LEVELS
EXTENDED
FUNCTIONS
DISPLAY
WRITE
CHARACTER RAM
ATTRIBUTE RAM
1 x 5
CLR
(4 x 7)
CLR
CLR
(2 x 4)
OSC
DATA
OUT
2 (MSBs)
7
+ 32
3 ROW
DBD
3
CHARACTER
SELECT
SELECT
EFD
EFD
MB
ASCII DECODER
n
BL
4 (LSBs)
CONTROL
DIGITAL
COLUMN
CUE
DUTY
DATA
+ 7
EFD
DC
CHARACTER
n
CURSOR
8
5
5
CHARACTER/CURSOR
0
1
MULTIPLEXER
3
MULTIPLEXER
CHARACTER/
ROW
SELECT
BLANK
SELECT
DRIVERS
CURSOR
ROW
COLUMN
DRIVERS
DISPLAY