參數(shù)資料
型號(hào): CP2120-GM
廠商: Silicon Laboratories Inc
文件頁(yè)數(shù): 1/24頁(yè)
文件大?。?/td> 0K
描述: IC I/O EXPANDER I2C/SPI 8B 20QFN
產(chǎn)品培訓(xùn)模塊: CP21xx USB Bridge
標(biāo)準(zhǔn)包裝: 91
接口: I²C,SPI
輸入/輸出數(shù): 8
中斷輸出:
頻率 - 時(shí)鐘: 400kHz
電源電壓: 3 V ~ 3.6 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 20-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 20-QFN(4x4)
包裝: 管件
產(chǎn)品目錄頁(yè)面: 627 (CN2011-ZH PDF)
其它名稱: 336-1324
Rev. 0.4 4/09
Copyright 2009 by Silicon Laboratories
CP2120
This information applies to a product under development. Its characteristics and specifications are subject to change without notice.
CP2120
SPI TO I 2C B RIDGE AND GPIO P ORT E XPANDER
Single Chip SPI to I2C Transfer
Integrated clock; no external clock required
On-Chip Voltage Monitor
Slave Serial Peripheral Interface (SPI)
Up to 1.0 Mbit/s Transfers
Configurable to Least Significant Bit or Most Significant
Bit first byte transfers
I2C Master Interface
Operates at configurable rates up to 400 kHz
255 RX and TX Data Buffers
Input and Output Port Pins
8 Pins Configurable as Push-Pull or Open-Drain
1 Pin Configurable as an edge-triggered interrupt
source
All pins 5 V Tolerant
INT active low interrupt pin
Supply Voltage of 2.7 V to 3.6 V
Typical operating current: 6.4 mA
Package
Pb-free 20-pin QFN
Figure 1. Block Diagram
Voltage
Monitor
Internal
Oscillator
Controller
I
2C
Interface
Port Controller
Internal Registers
SPI
Interface
Eight I/O Pins
Edge-Triggered
Interrupt Source
SDA
SCL
MISO
MOSI
SCK
CS
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