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PDF CP2403 Data sheet ( Hoja de datos )
| Número de pieza | CP2403 | |
| Descripción | (CP2400 - CP2403) 128/64 SEGMENT LCD DRIVER | |
| Fabricantes | Silicon Laboratories | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de CP2403 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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CP2400/1/2/3
128/64 SEGMENT LCD DRIVER
LCD Driver
Controls up to 128 segments (48-pin packages) or
64 segments (32-pin package)
Supports static, 2-mux, 3-mux, and 4-mux displays
On-chip bias generation with internal charge pump
Low power blink capability
GPIO Expander
Expands GPIO count by up to 36 pins (48-pin packages)
or 20 pins (32-pin package)
GPIO pins may be configured to push-pull or open-drain
outputs with two drive levels. GPIO may also be used as
digital inputs (CP2400/1/2/3 pullups included)
Port Match Capability can wake up host controller using
interrupt pin
5 V Tolerant I/O
Real Time Clock, SmaRTClock
Precision time keeping with 32.768 kHz watch crystal;
self-oscillate mode requires no external crystal; accepts
external 32 kHz CMOS clock
36-hour programmable counter with wake up alarm
Can wake up the host controller using interrupt pin
Low power (<1.5 µA)
256 Bytes RAM
General purpose RAM expands the memory available to
host controller.
16-bit Timers
Two general purpose 16-bit timers
Clock Sources
20 MHz Internal oscillator
Can be clocked from an external CMOS clock
Digital Bus Interface
4-wire SPI Interface operates up to 2.5 Mbps with
synchronous external clock or up to 1 Mbps with internal
clock (CP2400/2 only).
2-wire SMBus/I2C Interface operates up to 400 kHz with
internal clock (CP2401/3 only).
Dedicated RST and INT pins.
Optional CLK pin can be used as a CMOS clock input.
Optional PWR pin (SMBus/I2C devices only) places the
device in a low power mode. SPI devices use the NSS
pin to place the device in a low power mode.
Low Power
1.8–3.6 V operation with integrated LDO
Ultra Low Power Mode w/ LCD (<3 µA typical)
Shutdown current (0.05 µA typical)
Example Applications
Handheld Equipment
Utility Meters
Thermostat Display
Home Security Systems
Packages
Pb-free 48-pin QFP (9x9 mm footprint) [-Q]
Pb-free 48-pin QFN (7x7 mm footprint) [-M]
Pb-free 32-pin QFN (5x5 mm footprint)
Ordering Part Numbers
CP2400-G[M|Q] (SPI Interface)
CP2401-G[M|Q] (SMBus/I2C Interface)
CP2402-GM (SPI Interface)
CP2403-GM (SMBus/I2C Interface)
Temperature Range: –40 to +85 °C
Host
Controller
CP2400/1/2/3
Host
Interface
SPI
(CP2400/2)
OR
SMBus/I2C
(CP2401/3)
20 MHz
Internal
Oscillator
2 x 16-bit
Timers
256 Byte
SRAM
smaRTClock
GPIO Expander
LCD Controller
Optional
32.768 kHz
Digital I/O
LCD
Rev. 1.0 8/10
www.DataSheet.in
Copyright © 2010 by Silicon Laboratories
CP2400/1/2/3
1 page  
CP2400/1/2/3
1. System Overview
CP2400/1/2/3 devices are fixed function LCD drivers that can also be used for expanding GPIO, timekeeping, and
increasing available system RAM by up to 256 bytes. The device is controlled using direct and indirect internal
registers accessible through the 4-wire SPI or 2-wire SMBus interface. All digital pins on the device are 5 V
tolerant.
RST
VDD
GND
Power On
Reset
Reset
Power Net
Analog
Power
VREG
Digital
Power
Power
Management
SCK
MISO
MOSI
NSS
INT
CLK
XTAL1
XTAL2
SPI
(4-wire)
SFR
Bus
Host Interface
Low Power
20 MHz
Oscillator
External
CMOS Clock
SYSCLK
SmaRTClock
Oscillator
System Clock
Configuration
Port I/O Configuration
GPIO Expander
2 x Timer (16-bit)
256 Byte SRAM
LCD Control
Charge
Pump
MUX Decode Logic
Segment RAM
Port 0
Drivers
Port 1
Drivers
Port 2
Drivers
Port 3
Drivers
Port 4
Drivers
Figure 1.1. CP2400 Block Diagram
P0.0/LCD0
P0.1/LCD1
P0.2/LCD2
P0.3/LCD3
P0.4/LCD4
P0.5/LCD5
P0.6/LCD6
P0.7/LCD7
P1.0/LCD8
P1.1/LCD9
P1.2/LCD10
P1.3/LCD11
P1.4/LCD12
P1.5/LCD13
P1.6/LCD14
P1.7/LCD15
P2.0/LCD16
P2.1/LCD17
P2.2/LCD18
P2.3/LCD19
P2.4/LCD20
P2.5/LCD21
P2.6/LCD22
P2.7/LCD23
P3.0/LCD24
P3.1/LCD25
P3.2/LCD26
P3.3/LCD27
P3.4/LCD28
P3.5/LCD29
P3.6/LCD30
P3.7/LCD31
P4.0/COM0
P4.1/COM1
P4.2/COM2
P4.3/COM3
CAP
www.DataSheet.in
Rev. 1.0
5
5 Page 
CP2400/1/2/3
2. Absolute Maximum Ratings
Table 2.1. Absolute Maximum Ratings
Parameter
Conditions
Min Typ
Max Units
Ambient temperature under bias
–55 —
125
°C
Storage Temperature
–65 —
150
°C
Voltage on any I/O Pin or RST with respect to GND
Voltage on VDD with respect to GND
Maximum Total current through VDD and GND
Maximum output current sunk by RST or any I/O pin
VDD > 2.2 V
VDD < 2.2 V
–0.3
–0.3
—
—
— 5.8
VDD + 3.6
— 4.2
V
V
— 500 mA
— 100 mA
Note: Stresses above those listed may cause permanent damage to the device. This is a stress rating only, and functional
operation of the devices at or exceeding the conditions in the operation listings of this specification is not implied.
Exposure to maximum rating conditions for extended periods may affect device reliability.
www.DataSheet.in
Rev. 1.0
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet CP2403.PDF ] | |
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