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參數(shù)資料
| 型號(hào)： | CP2120EK |
| 廠商： | Silicon Laboratories Inc |
| 文件頁數(shù)： | 1/24頁 |
| 文件大?。?/td> | 0K |
| 描述： | KIT EVAL FOR CP2120 |
| 產(chǎn)品培訓(xùn)模塊： | CP21xx USB Bridge |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 主要目的： | 接口，SPI 至 I²C |
| 嵌入式： | 否 |
| 已用 IC / 零件： | CP2120 |
| 次要屬性： | LED 狀態(tài)指示器 |
| 已供物品： | 板，文檔，電源適配器 |
| 其它名稱： | 336-1325 |
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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