CP2400DK Silicon Laboratories Inc, CP2400DK Datasheet - Page 84

• 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

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