DEMO9S08LIN Freescale, DEMO9S08LIN Datasheet - Page 158

• Manufacturer Part Number: DEMO9S08LIN
• Manufacturer: Freescale

Specifications of DEMO9S08LIN

• Lead Free Status / RoHS Status: Compliant

Chapter 9 Liquid Crystal Display Driver (S08LCDV1)
9.5.2.1
Example 1 LCD setup requirements are reiterated in the following table:
Table 9-22
158
LCDSUPPLY
FPENR[5:0]
XXXXXX00
0XXXXXXX
10XXXX10
LCDCLKS
0X100X00
00000000
LCDBCTL
Example
Register
LCDCR1
LCDCR0
1
lists the required setup values required to initialize the LCD as specified by Example 1:
Operating
Voltage,
Initialization
VSUPPLY[1:0]
CPCADJ[1:0]
CLKADJ[5:0]
1.8-V
BRATE[2:0]
LCDCPMS
BLKMODE
LCDCPEN
HDRVBUF
V
DUTY[1:0]
BBYPASS
LCDSTP3
LCLK[2:0]
SOURCE
LPWAVE
FPENR0
FPENR1
FPENR2
FPENR3
FPENR4
FPENR5
LCDWAI
LCDIEN
bit field
DD
DIV16
bit or
LCD Clock
32.768 kHz
External
Source
Table 9-22. Initialization Register Values for Example 1
XXXXXXX0
MC9S08LC60 Series Data Sheet: Technical Data, Rev. 4
11111111
11111111
11111111
11111111
00000000
000000
Binary
Value
XXX
100
Example 1
XX
10
11
X
X
X
X
X
0
0
1
0
0
0
LCD Glass
Operating
Voltage
3-V
Selects the external clock reference as the LCD clock input
External clock reference = 0; Bus clock = 1
Adjusts the LCD clock input (see table 9-12)
Adjusts the LCD clock input (see table 9-12)
Enable the charge pump
For 3-V LCD glass, select doubler mode; Doubler mode = 0; Tripler mode = 1
High drive buffer
Configure LCD charge pump clock source
Buffer Bypass; Buffer mode = 0; Unbuffered mode = 1
When VSUPPLY[1:0] = 10, the LCD must be externally powered via V
table 9-16). For 3-V glass, the nominal value of V
LCD Interrupt Enable
LCD is “on” in WAIT mode
LCD is “on” in STOP3 mode
For 1/4 duty cycle, select closest value to the desired 30 Hz LCD frame frequency
(see table 9-13)
Low power waveform
For 128 segments (4x32), select 1/4 duty cycle (see table 9-11)
N/A; Blink Segments = 0; Blink All = 1
N/A
Only 32 Frontplanes need to be enabled.
segments
Required
LCD
128
Frame
30 Hz
Rate
LCD
Mode/Rate
No Blinking
Comment
Blinking
LCD
WAIT modes
Behavior in
STOP3 and
STOP3: on
should be 1.5-V.
WAIT: on
Freescale Semiconductor
LCD Power
Power via
LCD
Input
V
LCD
(see