参数资料
型号: CP2120-GM
厂商: Silicon Laboratories Inc
文件页数: 1/24页
文件大小: 0K
描述: IC I/O EXPANDER I2C/SPI 8B 20QFN
产品培训模块: CP21xx USB Bridge
标准包装: 91
接口: I²C,SPI
输入/输出数: 8
中断输出:
频率 - 时钟: 400kHz
电源电压: 3 V ~ 3.6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 20-VFQFN 裸露焊盘
供应商设备封装: 20-QFN(4x4)
包装: 管件
产品目录页面: 627 (CN2011-ZH PDF)
其它名称: 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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