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SL811HST-AXC 参数 Datasheet PDF下载

SL811HST-AXC图片预览
型号: SL811HST-AXC
PDF下载: 下载PDF文件 查看货源
内容描述: 嵌入式USB主/从控制器 [Embedded USB Host/Slave Controller]
分类和应用: 控制器
文件页数/大小: 32 页 / 617 K
品牌: CYPRESS [ CYPRESS SEMICONDUCTOR ]
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SL811HS
Embedded USB Host/Slave Controller
Features
Introduction
The SL811HS is an Embedded USB Host/Slave Controller
capable of communicating in either full speed or low speed. The
SL811HS interfaces to devices such as microprocessors, micro-
controllers, DSPs, or directly to a variety of buses such as ISA,
PCMCIA, and others. The SL811HS USB Host Controller
conforms to USB Specification 1.1.
The SL811HS incorporates USB Serial Interface functionality
along with internal full or low speed transceivers. The SL811HS
supports and operates in USB full speed mode at 12 Mbps, or in
low speed mode at 1.5 Mbps. When in host mode, the SL811HS
is the master and controls the USB bus and the devices that are
connected to it. In peripheral mode, otherwise known as a slave
device, the SL811HS operates as a variety of full- or low speed
devices.
The SL811HS data port and microprocessor interface provide an
8-bit data path I/O or DMA bidirectional, with interrupt support to
allow easy interface to standard microprocessors or microcon-
trollers such as Motorola or Intel CPUs and many others. The
SL811HS has 256-bytes of internal RAM which is used for
control registers and data buffer.
The available lead-free package is a 48-pin (SL811HST-AXC)
package. All packages operate at 3.3 VDC. The I/O interface
logic is 5 V-tolerant.
First USB Host/Slave controller for embedded systems in the
market with a standard microprocessor bus interface
Supports both full speed (12 Mbps) and low speed (1.5 Mbps)
USB transfer in both master and slave modes
Conforms to USB Specification 1.1 for full- and low speed
Operates as a single USB host or slave under software control
Automatic detection of either low- or full speed devices
8-bit bidirectional data, port I/O (DMA supported in slave mode)
On-chip SIE asnd USB transceivers
On-chip single root HUB support
256-byte internal SRAM buffer
Ping-pong buffers for improved performance
Operates from 12 or 48 MHz crystal or oscillator (built-in DPLL)
5 V-tolerant interface
Suspend/resume, wake up, and low-power modes are
supported
Auto-generation of SOF and CRC5/16
Auto-address increment mode, saves memory READ/WRITE
cycles
Development kit including source code drivers is available
3.3 V power source, 0.35 micron CMOS technology
Available in 48-pin TQFP package
Logic Block Diagram
Master/Slave
Controller
INTERRUPT
CONTROLLER
INTR
D
+
D-
256 Byte RAM
USB
Root HUB
XCVRS
SERIAL
INTERFACE
ENGINE
BUFFERS
&
CONTROL
REGISTERS
DMA
Interface
nDRQ
nDACK
CLOCK
GENERATOR
PROCESSOR
INTERFACE
nW R
nRD
nCS
nRST
D0-7
X1
X2
Cypress Semiconductor Corporation
Document 38-08008 Rev. *F
198 Champion Court
San Jose
,
CA 95134-1709
408-943-2600
Revised March 25, 2011