CP2400DK Silicon Laboratories Inc, CP2400DK Datasheet - Page 49
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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9.
The CP2400/1/2/3 has four power modes that can be used to minimize overall system power consumption. The
power modes vary in device functionality and wake-up methods. Each of the following power modes is explained in
the following sections:
The power modes above are achieved by disabling specific primary functions of the CP2400/1/2/3. Figure 9.1
shows how power is distributed throughout the CP2400/1/2/3. Additional secondary functions may also be disabled
to save power. These are described in Section “9.8. Disabling Secondary Device Functions” on page 58.
Normal Mode (Device Fully Functional)
RAM Preservation Mode (Internal Oscillator Disabled)
Ultra Low Power LCD Mode (Regulator Disabled)
Ultra Low Power SmaRTClock Mode (Regulator Disabled, LCD Disabled)
Shut Down Mode (All functionality Disabled)
Power Modes
ULP Control
VDD
Logic
Figure 9.1. Power and Clock Distribution Control
Digital Logic
LDO
Host Interface
Rev. 1.0
Timers
SRAM
ULP
Active Port Match
Internal Oscillator
ULP Port Match
SmaRTClock
LCD Control
CP2400/1/2/3
49
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