参数资料
型号: HDLG-3416
厂商: AGILENT TECHNOLOGIES INC
元件分类: 显示用LED
英文描述: 5X7 DOT MATRIX DISPLAY, GREEN, 6.9 mm
封装: DIP-22
文件页数: 11/12页
文件大小: 279K
代理商: HDLG-3416
8
Figure 1. Internal Block Diagram.
CHARACTER RAM
ASCII DECODER
CHARACTER/CURSOR
MULTIPLEXER
WRITE
ADDRESS
A0 – A1
2
D0 – D6
7
DATA IN
DATA
OUT
7
CHARACTER
SELECT
COLUMN
DATA
5
0
3 ROW
SELECT
OSC
+ 32
+ 7
DIGITAL
DUTY
CONTROL
ROW
DRIVERS
DISPLAY
COLUMN
DRIVERS
ROW
SELECT
BLANK
CLR
ATTRIBUTE RAM
DIGIT CURSOR
D0
D1
DIGIT BLANK
DISABLE
CLR
CONTROL REGISTER
MASTER
BLANK
D2
D3 – D5
3
BRIGHTNESS
LEVELS
CLR
D6
EXTENDED
FUNCTIONS
DISPLAY
WRITE
CLR
WRITE
2
READ
ADDRESS
5
1
CURSOR
CHARACTER
CHARACTER/
CURSOR
MULTIPLEXER
SELECT
CUE
DCn
(4 x 7)
CE1
CE2
WR
CU
CE1
CE2
WR
CU
WRITE
WRITE ADDRESS
A0 – A1
READ ADDRESS
2
(2 x 4)
1 x 5
3
4 (LSBs)
2 (MSBs)
3
EFD
DBDn
MB
BL
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