参数资料
型号: MAX3421EETJ+
厂商: Maxim Integrated Products
文件页数: 14/28页
文件大小: 0K
描述: IC USB PERIPH/HOST CNTRL 32TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 60
控制器类型: USB 外设控制器
接口: USB/串行
电源电压: 3 V ~ 3.6 V
电流 - 电源: 15mA
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 32-WFQFN 裸露焊盘
供应商设备封装: 32-TQFN-EP(5x5)
包装: 托盘
产品目录页面: 1407 (CN2011-ZH PDF)
配用: MAX3421EVKIT-1+-ND - EVAL KIT FOR MAX3421E
MAX3421E
USB Peripheral/Host Controller
with SPI Interface
21
Maxim Integrated
1) The SPI master sets the clock to its inactive state.
While
SS is high, the master can drive the MOSI pin
to any value.
2) The SPI master selects the MAX3421E by driving
SS low and placing the first data bit (MSB) to write
on the MOSI input.
3) The SPI master turns on its output driver and clocks
the command byte into the MAX3421E on the rising
edges of the SCLK it supplies. The SPI master
changes its MOSI data on the falling edges of SCLK.
4) After eight clock cycles, the master can drive
SS
high to deselect the MAX3421E.
5) To write SPI data, the SPI master keeps its output
driver on and clocks subsequent bytes into the
MOSI pin. To read SPI data, after the eighth clock
cycle the SPI master tri-states its output driver and
begins clocking in data bytes from the MOSI pin.
6) The SPI master terminates the SPI cycle by return-
ing
SS high.
Figures 10 and 11 show timing diagrams for full- and
half-duplex operation.
USB Serial-Interface Engine
The serial-interface engine (SIE) does most of the
detailed work required by USB protocol:
SS
MISO
MOSI
SCLK
SPI MODE 0,0 (CPOL = 0, CPHA = 0)
SUSPIRQ
URESIRQ
SUDAVIRQ
IN3BAVIRQ
IN2BAVIRQ
REG4
REG3
REG2
REG1
REG0
0
DIR
ACKSTAT
OUT1DAVIRQ OUT0DAVIRQ
IN0BAVIRQ
X
Figure 17. SPI Port in Full-Duplex Mode (Peripheral Mode)
SS
MISO
MOSI
SCLK
SPI MODE 0,0 (CPOL = 0, CPHA = 0)
HXFRDNIRQ
FRAMEIRQ
CONNIRQ
SUSDNIRQ
SNDBAVIRQ
REG4
REG3
REG2
REG1
REG0
0
DIR
ACKSTAT*
RCVDAVIRQ
RSMREQIRQ BUSEVENTIRQ
X
*ACKSTAT BIT NOT USED
Figure 18. SPI Port in Full-Duplex Mode (Host Mode)
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MAX3421EETJ+ 功能描述:外围驱动器与原件 - PCI USB Peripheral Controller w/SPI RoHS:否 制造商:PLX Technology 工作电源电压: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:FCBGA-1156 封装:Tray
MAX3421EETJ+T 功能描述:外围驱动器与原件 - PCI USB Peripheral Controller w/SPI RoHS:否 制造商:PLX Technology 工作电源电压: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:FCBGA-1156 封装:Tray
MAX3421EVKIT-1+ 功能描述:界面开发工具 MAX3421E/20E Eval Kit RoHS:否 制造商:Bourns 产品:Evaluation Boards 类型:RS-485 工具用于评估:ADM3485E 接口类型:RS-485 工作电源电压:3.3 V
MAX3430CPA 功能描述:RS-485接口IC RoHS:否 制造商:Texas Instruments 数据速率:250 Kbps 工作电源电压:3.3 V 电源电流:750 uA 工作温度范围:- 40 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube
MAX3430CPA+ 功能描述:RS-485接口IC Fail-Safe 1/4-Unit 3.3V Transceiver RoHS:否 制造商:Texas Instruments 数据速率:250 Kbps 工作电源电压:3.3 V 电源电流:750 uA 工作温度范围:- 40 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube