- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄359153 > MCF5270AB100 (飛思卡爾半導(dǎo)體(中國)有限公司) Integrated Microprocessor Hardware Specification PDF資料下載
參數(shù)資料
| 型號： | MCF5270AB100 |
| 廠商： | 飛思卡爾半導(dǎo)體(中國)有限公司 |
| 英文描述： | Integrated Microprocessor Hardware Specification |
| 中文描述： | 集成的微處理器，硬件規(guī)格 |
| 文件頁數(shù)： | 11/40頁 |
| 文件大?。?/td> | 863K |
| 代理商： | MCF5270AB100 |
第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁第9頁第10頁當(dāng)前第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁第31頁第32頁第33頁第34頁第35頁第36頁第37頁第38頁第39頁第40頁
Design Recommendations
MCF5271 Integrated Microprocessor Hardware Specification, Rev. 2
Freescale Semiconductor
11
5.7.1.2
Address Multiplexing
See the SDRAM controller module chapter in the
MCF5271 Reference Manual
for details on address
multiplexing.
5.7.2
Ethernet PHY Transceiver Connection
The FEC supports both an MII interface for 10/100 Mbps Ethernet and a seven-wire serial interface for 10
Mbps Ethernet. The interface mode is selected by R_CNTRL[MII_MODE]. In MII mode, the 802.3
standard defines and the FEC module supports 18 signals. These are shown in
Table 4
.
Table 3. Synchronous DRAM Signal Connections
Signal
Description
SD_SRAS
Synchronous row address strobe. Indicates a valid SDRAM row address is present and can be
latched by the SDRAM. SD_SRAS should be connected to the corresponding SDRAM
SD_SRAS. Do not confuse SD_SRAS with the DRAM controller’s SD_CS[1:0], which should not
be interfaced to the SDRAM SD_SRAS signals.
SD_SCAS
Synchronous column address strobe. Indicates a valid column address is present and can be
latched by the SDRAM. SD_SCAS should be connected to the corresponding signal labeled
SD_SCAS on the SDRAM.
DRAMW
DRAM read/write. Asserted for write operations and negated for read operations.
SD_CS[1:0]
Row address strobe. Select each memory block of SDRAMs connected to the MCF5271. One
SD_CS signal selects one SDRAM block and connects to the corresponding CS signals.
SD_CKE
Synchronous DRAM clock enable. Connected directly to the CKE (clock enable) signal of
SDRAMs. Enables and disables the clock internal to SDRAM. When CKE is low, memory can
enter a power-down mode where operations are suspended or they can enter self-refresh mode.
SD_CKE functionality is controlled by DCR[COC]. For designs using external multiplexing,
setting COC allows SD_CKE to provide command-bit functionality.
BS[3:0]
Column address strobe. For synchronous operation, BS[3:0] function as byte enables to the
SDRAMs. They connect to the DQM signals (or mask qualifiers) of the SDRAMs.
CLKOUT
Bus clock output. Connects to the CLK input of SDRAMs.
Table 4. MII Mode
Signal Description
MCF5271 Pin
Transmit clock
ETXCLK
Transmit enable
ETXEN
Transmit data
ETXD[3:0]
Transmit error
ETXER
Collision
ECOL
Carrier sense
ECRS
Receive clock
ERXCLK
Receive enable
ERXDV
Receive data
ERXD[3:0]
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MCF5270 | 32-bit Embedded Controller Division |
| MCF5327 | Microprocessor Data Sheet |
| MCF5372 | Microprocessor Data Sheet |
| MCF5470 | MCF547x Integrated Microprocessor Electrical Characteristics |
| MCF5480 | MCF548x ColdFire㈢ Microprocessor |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MCF5270CAB100 | 功能描述:32位微控制器 - MCU MCF5270 V2CORE 64K SRAM RoHS:否 制造商:Texas Instruments 核心:C28x 處理器系列:TMS320F28x 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:90 MHz 程序存儲器大小:64 KB 數(shù)據(jù) RAM 大小:26 KB 片上 ADC:Yes 工作電源電壓:2.97 V to 3.63 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:LQFP-80 安裝風(fēng)格:SMD/SMT |
| MCF5270CVM150 | 功能描述:微處理器 - MPU MCF5235 V2CORE RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:536 MHz 程序存儲器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324 |
| MCF5270CVM150J | 功能描述:32位微控制器 - MCU V2CORE RoHS:否 制造商:Texas Instruments 核心:C28x 處理器系列:TMS320F28x 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:90 MHz 程序存儲器大小:64 KB 數(shù)據(jù) RAM 大小:26 KB 片上 ADC:Yes 工作電源電壓:2.97 V to 3.63 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:LQFP-80 安裝風(fēng)格:SMD/SMT |
| MCF5270CVM150R2 | 功能描述:微處理器 - MPU MCF5270 V2CORE RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:536 MHz 程序存儲器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324 |
| MCF5270VM100 | 功能描述:微處理器 - MPU MCF5270 V2CORE 64KSRAM RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:536 MHz 程序存儲器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324 |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。