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參數(shù)資料
| 型號： | MAX3421EEHJ+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 14/28頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC USB PERIPH/HOST CNTRL 32TQFP |
| 產(chǎn)品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 2,500 |
| 控制器類型： | USB 外設(shè)控制器 |
| 接口： | USB/串行 |
| 電源電壓： | 3 V ~ 3.6 V |
| 電流 - 電源： | 15mA |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 32-TQFP |
| 供應(yīng)商設(shè)備封裝： | 32-TQFP（5x5） |
| 包裝： | 帶卷 (TR) |
| 配用： | MAX3421EVKIT-1+-ND - EVAL KIT FOR MAX3421E |
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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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參數(shù)描述 |
|---|---|
| MAX3421EETJ+ | 功能描述:外圍驅(qū)動器與原件 - PCI USB Peripheral Controller w/SPI RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray |
| MAX3421EETJ+T | 功能描述:外圍驅(qū)動器與原件 - PCI USB Peripheral Controller w/SPI RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray |
| MAX3421EVKIT-1+ | 功能描述:界面開發(fā)工具 MAX3421E/20E Eval Kit RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V |
| MAX3430CPA | 功能描述:RS-485接口IC RoHS:否 制造商:Texas Instruments 數(shù)據(jù)速率:250 Kbps 工作電源電壓:3.3 V 電源電流:750 uA 工作溫度范圍:- 40 C to + 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝: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 數(shù)據(jù)速率:250 Kbps 工作電源電壓:3.3 V 電源電流:750 uA 工作溫度范圍:- 40 C to + 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
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