AND1391ST Datasheet, PDF (2/4 Pages) Purdy Electronics Corporation – Intelligent Graphics Display

AND1391ST-EO
Intelligent Graphics Display
Optical Characteristics (TA = 25˚C, φ = 0°, θ = 0)
Item Symbol Condition Min. Typ. Max. Unit
Viewing Angle θ C≥2.0, φ=0° -40 – – degree
Contrast
C θ=5°, φ=0° 5 7 – –
Response
Time (rise)
T_r θ=5°, φ=0° – 150 – ms
Response
Time (fall)
T_f θ=5°, φ=0° – 300 – ms
Note: Refer to Applications Section for definitions of viewing
angle, contrast ratio, response time (on and off) and
luminance.
Connector Pin Assignment
Pin No. Signal
Function
1 FGND Frame Ground (connected to metal bezel)
2
V_SS Power Supply (V_SS=0)
3
V_DD Power Supply (V_DD>V_SS)
4
V_O Operating Voltage for LCD
5
WR Data Write (write data to the module at “L”)
6
RD Data Read (read data from the module at “L”)
7
CE Chip Enable for the modul (active at “L”)
WR = “L”; C/D = “H”: Command Write,
8
C/D
C/D = “L”: Data Write RD = “L”,
C/D = “H”: Command Read
C/D = “L”: Data Read
9
NC No connection
10 RESET Controller Reset (module reset)
11 D0 Data Input/Output (D0=MSB)
12 D1 Data Input/Output
13 D2 Data Input/Output
14 D3 Data Input/Output
15 D4 Data Input/Output
16 D5 Data Input/Output
17 D6 Data Input/Output
18 D7 Data Input/Output (D7=LSB)
19
FS
Font select. Open or connect to V_DD: 6 x 8 dot font
Connect t o V_SS: 8 x 8 dot
20 NC No connection
Power Supply
The LCD panel is driven by the voltage V_DD–V_EE, so an
adjustable V_EE is required for contrast control and
temperature compensation.
Temperature Variations
Temperature
0°C
V_DD–V_EE (EO option)
14.1
+25°C
13.0
+50°C
11.1
Timing Relationships and Diagram
Signal Timing Relationships
Item
Symbol Min.
C/D Set-Up Time
C/D Hold Time
CE, RD, WR
Pulse Width
t_CDS
100
t_CDH
10
t_CE,t_RD, t_WR 80
Data Set-Up Time
Data Hold Time
Access Time
Output Hold Time
t_DS
80
t_DH
40
t_ACC
–
t_OH
10
Max. Unit
–
–
–
–
ns
–
150
50
Timing Diagram
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
7/20/07
Tel: [phone] • Fax: [phone] • [e-mail] • www.purdyelectronics.com
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