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ST7637 Fiches technique(PDF) 17 Page - Sitronix Technology Co., Ltd.

No de pièce ST7637
Description  65K 132x132 Color Dot Matrix LCD Controller/Driver
PDF  210 Pages
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Fabricant  SITRONIX [Sitronix Technology Co., Ltd.]
Site Internet  http://www.sitronix.com.tw
Logo SITRONIX - Sitronix Technology Co., Ltd.

ST7637 Fiches technique(HTML) 17 Page - Sitronix Technology Co., Ltd.

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ST7637
Ver 1.6
17/210
2009/03
/EXT
I
OTP burn-in control Pin.
There is a pull-high resistor between /EXT & VDD in ST7637.
When burning OTP, please add an external VSS on /EXT. (needs external power supply
voltage VPP=7.5V~7.75V)
NOTE:
1.
Microprocessor interface pins should not be floating in any operation mode.
2.
Unused pin should connect to VDDI (Supply Digital Voltage).
6.5
LCD DRIVER OUTPUTS
Name
I/O
Description
SEG0
to
SEG395
O
LCD segment driver outputs
The display data and the M signal control the output voltage of segment driver.
Segment driver output voltage
Display data
M (Internal)
Normal display
Reverse display
H
H
Vg
VSS
H
L
VSS
Vg
L
H
VSS
Vg
L
L
Vg
VSS
Sleep-In mode
VSS
VSS
COM0
to
COM131
O
LCD common driver outputs
The internal scanning data and M signal control the output voltage of common driver.
Scan data
M (Internal)
Common driver output voltage
H
H
XV0
H
L
V0
L
H
Vm
L
L
Vm
Sleep-In mode
VSS
Name
I/O
Description
DETGBI
DETGBO
ITO
DETGBI must connect to DETGBO by ITO which run a ring on LCM glass.



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