CP2120-GM Silicon Laboratories Inc, CP2120-GM Datasheet
CP2120-GM
Manufacturer Part Number
CP2120-GM
Description
IC I/O EXPANDER I2C/SPI 8B 20QFN
Manufacturer
Silicon Laboratories Inc
Type
SPI to I2C Bridger
Specifications of CP2120-GM
Package / Case
20-QFN
Interface
I²C, SPI
Number Of I /o
8
Interrupt Output
Yes
Frequency - Clock
400kHz
Voltage - Supply
3 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Maximum Operating Temperature
+ 125 C
Minimum Operating Temperature
- 55 C
Mounting Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
336-1324
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
CP2120-GM
Manufacturer:
AMS
Quantity:
195
Company:
Part Number:
CP2120-GMR
Manufacturer:
PANASONIC
Quantity:
12 500
Single Chip SPI to I
-
-
Slave Serial Peripheral Interface (SPI)
-
-
I
-
-
SPI-I
GPIO Port Expansion Functionality
Interface Products
2
MISO
MOSI
C Master Interface
Integrated clock, no external clock required
On-chip voltage monitor
Up to 1.0 Mbit/s transfers
Configurable to Least Significant Bit (LSB) or Most Significant
Bit (MSB) first transfers
Operates at configurable rates up to 400 kHz
255 byte RX and TX data buffers
SCK
CS
2
C Bridge Functionality
FPGA
FPGA
ASIC
MCU
ASIC
MCU
CPU
CPU
Internal Registers
Interface
2
C Bridge
Voltage
Monitor
SPI
Copyright © 2006 by Silicon Laboratories
CP2120
CP2120
Oscillator
Controller
Internal
Eight I/O Pins
SPI-I
General Purpose Input and Output Port Pin
Expansion
-
-
-
Supply Voltage: 2.7 to 3.6 V
-
Small Package
-
8 pins configurable as push-pull or open-drain
1 pin configurable as an edge-triggered interrupt source
All pins 5 V tolerant
Typical operating current of 6.4 mA
20-pin 4x4 mm Pb-free QFN
Prom
Prom
EE
EE
2
LCD/
LCD/
LED
LED
C Bridge and GPIO Port Expander
Port Controller
A/D
D/A
A/D
D/A
Sensor
Sensor
Interrupt Source
Edge-Triggered
Interface
I
2
C
CP2120
MCU
MCU
8.28.2006
SDA
SCL
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CP2120-GM Summary of contents
Page 1
... Pb-free QFN EE Prom CP2120 LCD/ LED EE Prom CP2120 LCD/ LED Internal Oscillator Controller Port Controller Eight I/O Pins Copyright © 2006 by Silicon Laboratories CP2120 A/D D/A MCU Sensor A/D D/A MCU Sensor 2 SDA I C Interface SCL Edge-Triggered Interrupt Source ...
Page 2
... Edge-triggered interrupt source CP2120 interrupt indicator No connection bus bidirectional clock signal bus bidirectional data signal SPI bus chip select SPI bus Master Out Slave In signal SPI bus Master In Slave Out signal CP2120 Evaluation Board sed EIN Copyright © 2006 by Silicon Laboratories ...