Abov MC96F6432 Series User Manual

MC96F6432
280 June 22, 2018 Ver. 2.9
LCDCRL (LCD Driver Control Low Register) : 99H
7
6
5
4
3
2
1
0
–
–
DBS3
DBS2
DBS1
DBS0
LCLK1
LCK0
–
–
R./W
R/W
R/W
R/W
R/W
R/W
Initial value : 00H
DBS[3:0]
LCD Duty and Bias Select (NOTE)
DBS3
DBS2
DBS1
DBS0
Description
0
0
0
0
1/8Duty, 1/4Bias (60k ohm)
0
0
0
1
1/6Duty, 1/4Bias (60k ohm)
0
0
1
0
1/5Duty, 1/3Bias (60k ohm)
0
0
1
1
1/4Duty, 1/3Bias (60k ohm)
0
1
0
0
1/3Duty, 1/3Bias (60k ohm)
0
1
0
1
1/3Duty, 1/2Bias (60k ohm)
0
1
1
0
1/3Duty, 1/2Bias (120k ohm)
0
1
1
1
1/2Duty, 1/2Bias (60k ohm)
1
0
0
0
1/2Duty, 1/2Bias (120k ohm)
Other values
Not available
LCLK[1:0]
LCD Clock Select (When f
WCK
(Watch timer clock)= 32.768 kHz)
LCLK1
LCLK0
Description
0
0
f
LCD
= 128Hz
0
1
f
LCD
= 256Hz
1
0
f
LCD
= 512Hz
1
1
f
LCD
= 1024Hz
NOTE) The LCD clock is generated by watch timer clock (f
WCK
). So
the watch timer should be enabled when the LCD display is turned on.
Table 11-27 LCD Frame Frequency
LCD Clock
Frequency (f
LCD
)
LCD Frame Frequency (f
FRAME
)
Unit
1/2 Duty
1/3 Duty
1/4 Duty
1/5 Duty
1/6 Duty
1/8 Duty
128
64
43
32
26
21
16
Hz
256
128
85
64
51
43
32
512
256
171
128
102
85
64
1024
512
341
256
205
171
128
The LCD frame frequency is calculated by the following formula:
LCD Frame Frequency (f
FRAME
) = f
LCD
× Duty[Hz]
Ex) In cace of 1/4 duty and f
LCD
= 512Hz, f
FRAME
= f
LCD
× 1/4 = 512 × 1/4 = 128[Hz]

Abov MC96F6432 Series Specifications

General

Brand	Abov
Model	MC96F6432 Series
Category	Microcontrollers
Language	English