CP2400DK Silicon Laboratories Inc, CP2400DK Datasheet - Page 84
CP2400DK
Manufacturer Part Number
CP2400DK
Description
KIT EVAL SPI LCD DRIVER CP2400
Manufacturer
Silicon Laboratories Inc
Specifications of CP2400DK
Main Purpose
LCD Development
Embedded
Yes
Utilized Ic / Part
CP2400
Primary Attributes
I²C, SMBus Interfaces
Secondary Attributes
Up to 128 segments
Product
Microcontroller Modules
Core Processor
C8051F930
Clock Speed
20 MHz
Interface Type
SPI
Timers
2
Operating Supply Voltage
1.8 V to 3.6 V
Cpu Core
C8051F930
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
Other names
336-1858
336-1858
336-1858
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CP2400/1/2/3
12.2. LCD Configuration
The LCD segment driver supports multiple mux options: static, 2-mux, 3-mux, and 4-mux mode. It also supports
1/2 and 1/3 bias options. The desired mux mode and bias is configured through the LCD0CN register.
SFR Definition 12.1. LCD0CN: LCD0 Control Register
Address = 0x95
84
Name
Reset
Type
Bit
7:5
2:1
Bit
4
3
0
MUXMD[1:0]
Unused
BLANK
Name
BIAS
SIZE
R/W
7
0
Read = 000. Write = Don’t Care.
Blank All Segments.
Blanks all LCD segments using a single bit.
0: All LCD segments are controlled by the LCD memory.
1: All LCD segments are blank (turned off).
LCD Size Select.
Selects whether 16 or 32 segment pins will be used for the LCD function.
0: P0 and P1 are used as LCD segment pins.
1: P0, P1, P2, and P3 are used as LCD segment pins.
LCD Bias Power Mode.
Selects the mux mode.
00: Static mode selected.
01: 2-mux mode selected.
10: 3-mux mode selected.
11: 4-mux mode selected.
Bias Select .
Selects between 1/2 Bias and 1/3 Bias.
0: LCD0 is configured for 1/3 Bias.
1: LCD0 is configured for 1/2 Bias.
R/W
6
0
R/W
5
0
Rev. 1.0
BLANK
R/W
4
0
Function
SIZE
R/W
3
0
2
0
MUXMD
R/W
1
0
BIAS
R/W
0
0
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