參數(shù)資料
型號: C8051F012
廠商: Cygnal Technologies
英文描述: 20 MIPS,32k Flash,256 Ram,10bit ADC,32 Pin MCU(20 MIPS,32k 閃速存儲器,256 Ram,10位 ADC,32 腳 MCU)
中文描述: 20 MIPS的,32K閃存,256羊,10位ADC,32引腳微控制器(20 MIPS的,32K的閃速存儲器,256,羊,10位ADC和32腳微控制器)
文件頁數(shù): 113/170頁
文件大?。?/td> 1294K
代理商: C8051F012
4.2001; Rev. 1.3
CYGNAL Integrated Products, Inc.
2001
Page 113
C8051F000/1/2/5/6/7
C8051F010/1/2/5/6/7
PRELIMINARY
Figure 16.2 shows a typical SMBus configuration. The SMBus interface will work at any voltage between 3.0V and
5.0V and different devices on the bus may operate at different voltage levels. The SCL (serial clock) and SDA
(serial data) lines are bi-directional. They must be connected to a positive power supply voltage through a pull-up
resistor or similar circuit. When the bus is free, both lines are pulled high. Every device connected to the bus must
have an open-drain or open-collector output for both the SCL and SDA lines. The maximum number of devices on
the bus is limited only by the requirement that the rise and fall times on the bus will not exceed 300ns and 1000ns,
respectively.
Figure 16.2. Typical SMBus Configuration
16.1.
It is assumed the reader is familiar with or has access to the following supporting documents:
1.
The I
2
C-bus and how to use it (including specifications)
, Philips Semiconductor.
2.
The I
2
C-Bus Specification -- Version 2.0
, Philips Semiconductor.
3.
System Management Bus Specification -- Version 1.1
, SBS Implementers Forum.
Supporting Documents
VDD = 5V
Master
Device
Slave
Device 1
Slave
Device 2
VDD = 3V
VDD = 5V
VDD = 3V
SDA
SCL
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
C8051F012/005 制造商:Silicon Laboratories Inc 功能描述:
C8051F012-GQ 功能描述:8位微控制器 -MCU 32KB 10ADC 32P MCU RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
C8051F012-GQR 功能描述:8位微控制器 -MCU 32KB 10ADC 32Pin MCU Tape and Reel RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
C8051F012-PX0005GQ 制造商:Silicon Laboratories Inc 功能描述:
C8051F012R 功能描述:8位微控制器 -MCU C 10Bit 32Pin RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT