uc1602i-pp-m ETC-unknow, uc1602i-pp-m Datasheet - Page 23

• Manufacturer Part Number: uc1602i-pp-m
• Description: Single-chip, Ultra-low Power Passive Matrix Lcd Controller-driver
• Manufacturer: ETC-unknow

V
drop below 2V. For example, if C
the draining time required for V
UC1602I will not drain V
not used. System designer should take care to
Rev. 0.54 10/12/2001
LCD
Figure 12: Reference Power-up Sequence
and 1.5 x RC for V
Set LCD Bias Ratio (BR)
Set Potential Meter (PM)
Set Display Enable
Set Gain (GN)
Turn on VDD
Wait 4~6mS
B+
LCD
before allowing V
when internal V
LCD
LCD
is 3~5mS.
is 1uF, then
LCD
DD
to
is
make sure external V
drained off before turning off VDD.
Figure 13: Reference Power-Down Sequence
65x102 Matrix LCD Controller-Drivers
Reset command
Turn off VDD
Wait 3~5mS
LCD
source is properly
UC1602I
21