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| 型号： | SPEAR300-2 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 32-BIT, FLASH, 333 MHz, RISC MICROCONTROLLER, PBGA289 |
| 封装： | 15 X 15 MM, 1.70 MM HEIGHT, 0.80 MM PITCH, ROHS COMPLIANT, LFBGA-289 |
| 文件页数： | 18/83页 |
| 文件大小： | 1027K |
| 代理商： | SPEAR300-2 |
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SPEAr300
Architecture overview
Doc ID 16324 Rev 2
25/83
2.24
Ethernet controller
SPEAr300 provides an Ethernet MAC 10/100 Universal (commonly referred to as GMAC-
UNIV), enabling to transmit and receive data over Ethernet in compliance with the IEEE
802.3-2002 standard.
Note:
GMAC is a hardware block implementing Ethernet MAC layer 2 processing. GMAC is
configured for 10/100 Mbps operation on SPEAr3xx family and up to 1 Gbps on SPEAr600.
Main features:
●
Compliant with the IEEE 802.3-2002 standard
●
Supports the default MII interface to the external PHY
●
Supports 10/100 Mbps data transfer rates
●
Local FIFO available (4 Kbyte RX, 2 Kbyte TX)
●
Supports both half-duplex and full-duplex operation. In half-duplex operation,
CSMA/CD protocol is provided for, as well as packet bursting and frame extension at
100 Mbps
●
Programmable frame length to support both standard and jumbo Ethernet frames with
size up to 16 Kbyte
●
A variety of flexible addresses filtering modes are supported
●
A set of control and status registers (CSRs) to control MAC core operation
●
Native DMA with single-channel transmit and receive engines
●
DMA implements dual-buffer (ring) or linked-list (chained) descriptor chaining
●
An AHB slave acting as programming interface to access all CSRs, for both DMA and
MAC core subsystems
●
An AHB master for data transfer to system memory
●
32-bit AHB master bus width, supporting 32, 64, and 128-bit wide data transactions
●
It supports both little and big endian memory architectures
2.25
USB2 host controller
SPEAr300 has a fully independent USB 2.0 host controller, consisting of the following six
major blocks:
●
An EHCI block for high-speed transfers (HS mode, 480 Mbps)
●
2 OHCI blocks for full and low speed transfers (FS and LS modes, 12 and 1.5 Mbps)
●
Local 2-Kbyte FIFO
●
Local DMA
●
Integrated USB2 transceiver (PHY)
This host can manage an external power switch, providing a control line to enable or disable
the power, and an input line to sense any over-current condition detected by the external
switch.
The Host controller is capable of managing two different devices at a time on its two
downstream ports.
●
An HS device connected to either of the two ports is managed by the EHCI.
●
An FS/LS device connected to port0 is managed by OHCI0.
●
An FS/LS device connected to port1 is managed by OHCI1.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SPEAR310-2 | 功能描述:微处理器 - MPU MPU ARM926 Cortex 8-ch DMA 32KB Rom RoHS:否 制造商:Atmel 处理器系列:SAMA5D31 核心:ARM Cortex A5 数据总线宽度:32 bit 最大时钟频率:536 MHz 程序存储器大小:32 KB 数据 RAM 大小:128 KB 接口类型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作电源电压:1.8 V to 3.3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:FBGA-324 |
| SPEAR320 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Embedded MPU with ARM926 core, optimized for factory automation and consumer applications |
| SPEAR320-2 | 功能描述:微处理器 - MPU MPU ARM926 Cortex 8-ch DMA 32KB Rom RoHS:否 制造商:Atmel 处理器系列:SAMA5D31 核心:ARM Cortex A5 数据总线宽度:32 bit 最大时钟频率:536 MHz 程序存储器大小:32 KB 数据 RAM 大小:128 KB 接口类型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作电源电压:1.8 V to 3.3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:FBGA-324 |
| SPEAR320S-2 | 制造商:STMicroelectronics 功能描述:SPEAR 32BIT EMBEDDED MICROPROCESSOR ARM926EJ-S (UP TO 333 M - Bulk 制造商:STMicroelectronics 功能描述:SPEAR320 Series 333 MHz 8 kB RAM ARM926 Core Embedded Microprocessor - LFBGA-289 |
| SPEAR600-2 | 功能描述:微处理器 - MPU MPU ARM926 Cortex 8-ch DMA 32KB Rom RoHS:否 制造商:Atmel 处理器系列:SAMA5D31 核心:ARM Cortex A5 数据总线宽度:32 bit 最大时钟频率:536 MHz 程序存储器大小:32 KB 数据 RAM 大小:128 KB 接口类型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作电源电压:1.8 V to 3.3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:FBGA-324 |
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