mc68hc908lj24 Freescale Semiconductor, Inc, mc68hc908lj24 Datasheet - Page 370

• Manufacturer Part Number: mc68hc908lj24
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Liquid Crystal Display (LCD) Driver
17.9.2 LCD Clock Register (LCDCLK)
Data Sheet
370
Address:
The LCD clock register (LCDCLK):
FCCTL[1:0] — Fast Charge Duty Cycle Select
Reset:
Read:
Write:
•
•
•
These read/write bits select the duty cycle of the fast charge duration.
Reset clears these bits. (See
FCCTL1:FCCTL0
Selects the fast charge duty cycle
Selects LCD driver duty cycle
Selects LCD waveform base clock
$004F
Bit 7
00
01
10
11
Liquid Crystal Display (LCD) Driver
0
0
Figure 17-17. LCD Clock Register (LCDCLK)
Table 17-4. Fast Charge Duty Cycle Selection
= Unimplemented
FCCTL1
6
0
In each LCDCLK/2 period, each bias resistor is reduced to
37 kΩ for a duration of LCDCLK/32.
In each LCDCLK/2 period, each bias resistor is reduced to
37 kΩ for a duration of LCDCLK/64.
In each LCDCLK/2 period, each bias resistor is reduced to
37 kΩ for a duration of LCDCLK/128.
Not used
FCCTL0
5
0
DUTY1
17.5.4 Fast Charge and Low
4
0
Fast Charge Duty Cycle
DUTY0
MC68HC908LJ24/LK24 — Rev. 2.1
3
0
LCLK2
Freescale Semiconductor
2
0
LCLK1
1
0
Current)
LCLK0
Bit 0
0