st2032b Sitronix Technology Corporation, st2032b Datasheet - Page 35

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

Ver 2.4
Address Name
$03B
Bit 7~4: DRV[3:0] : LCD driving strength control
LCK
0000
0001
0010
1101
1110
1111
Bit 2~0:LCK[2:0] : LCD frame rate control
R/W
R/W
TABLE 15-4 LCD Clock Source and Driving Strength Control Register
*** Measure Condition: Vdd=3V, LCD frame rate=64Hz, OSCX on, in WAI1.
0000(max.)
1111(mini.)
Note: If LCD clock source is from OSCX, after power on, wait one
= driving level 16/16 (maximum)
= driving level 15/16
= driving level 14/16
= driving level 3/16
= driving level 2/16
= driving level 1/16 (minimum)
DRV[3:0]
LCK[2:0]
Frame Rate = 64Hz
0001
0010
0100
0101
1000
1001
1010
0011
0110
1011
1100
1101
0111
1110
DRV[3]
Bit 7
000
001
010
011
100
101
110
111
second for OSCX to be stable and then turn on LCD.
:
:
DRV[2]
Bit 6
OSCX (32768Hz)
OSCX (32768Hz)
Clock Source
DRV[1]
Bit 5
OSC (2MHz)
OSC (2MHz)
OSC (4MHz)
OSC (4MHz)
OSC (8MHz)
OSC (8MHz)
Driving strength
Level 16 (max.)
Level 1(mini.)
Level 15
Level 14
Level 13
Level 12
Level 11
Level 10
Level 9
Level 8
Level 7
Level 6
Level 5
Level 4
Level 3
Level 2
DRV[0]
35/53
Bit 4
00XX
0100
0101
1101
1110
1111
Bit 3
= driving level 12/12
= driving level 12/12(maximum)
= driving level 11/12
= driving level 3/12
= driving level 2/12
= driving level 1/12 (minimum)
-
Frame Rate = 85Hz
Frame Rate
1/16 Duty consumption
LCK[2]
64 Hz
85 Hz
64 Hz
85 Hz
64 Hz
85 Hz
64 Hz
85 Hz
Bit 2
:
:
72.38
68.46
64.53
60.58
56.64
52.69
48.76
44.81
40.84
32.92
28.98
21.03
80.2
76.3
36.9
LCK[1]
(uA)
Bit 1
25
LCK[0]
Bit 0
111- -000
Default
ST2032B
9/12/07