st2032b Sitronix Technology Corporation, st2032b Datasheet - Page 50

• Manufacturer Part Number: st2032b
• Description: 8 Bit Microcontroller With 32k Bytes Rom
• Manufacturer: Sitronix Technology Corporation

Special Notice
Special Notice 1
Special Notice 2
Reference table for LCD panel’s parameters：
According to your setting of contrast level ， mapping to LCD panel’s parameter﹒
Ver 2.4
1
2
3
1
Engineer ____________________
LCD keyboard awaking pulses only can be used under 3.6V operating
voltage.
COMs and SEGs output VDD level while the LCD is turned off. The
ON/OFF key must be connected between GND and Port-A.
If two keys be pressed at the same time affect LCD display must be
reduced. One resister (47K) should be added between scan line and
keyboard.
Do not use 32768HZ as system clock.
[ST2032] – 48 x 16（ frame rate = 64 Hz.）
1(light)
2
3
4
5
6
7
8
9
10
11
12(dark)
Level
(If the LCD keyboard awaking pulse function was turned on)
Confirmed Item
Contrast
CTR[3:0]
1010
1001
1000
0101
0100
1101
1100
1011
0110
1111
1110
0111
50/53
Manager ____________________
Equivalent
Duty
48.8
41.0
35.3
31.0
27.7
25.0
22.8
20.9
19.3
18.0
16.8
16.0
Bias
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
Check
Note
ST2032B
9/12/07