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参数资料
| 型号： | MCF5251CEVM140 |
| 厂商： | FREESCALE SEMICONDUCTOR INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 32-BIT, 140 MHz, MICROPROCESSOR, PBGA225 |
| 封装： | LEAD FREE, MAPBGA-225 |
| 文件页数： | 30/32页 |
| 文件大小： | 652K |
| 代理商： | MCF5251CEVM140 |
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Signal Description
MCF5251 ColdFire Processor Data Sheet: Technical Data, Rev. 2.1
Freescale Semiconductor
7
ISA bus read strobe
IDE_DIOR/GPIO31
(CS2)
1 ISA bus read strobe and 1 ISA bus
write strobe—allow connection of an
independent ISA bus peripheral,
such as an IDE slave device.
In/Out
–
ISA bus write strobe
IDE_DIOW/GPIO32
(CS2)
In/Out
–
ISA bus wait signal
IDE_IORDY/GPIO33
ISA bus wait line available for both
busses
In/Out
–
Chip Selects[2:0]
CS0/CS4
CS1/QSPICS3/GPIO28
Chip selects bits 2 through 0—
enable peripherals at programmed
addresses. CS0 provides boot ROM
selection.
Out
In/Out
negated
Buffer enable 1
BUFENB1/GPIO29
Two programmable buffer
enables—allow seamless steering of
external buffers to split data and
address bus in sections.
In/Out
–
Buffer enable 2
BUFENB2/GPIO30
In/Out
–
Transfer acknowledge
TA/GPIO12
Transfer Acknowledge signal.
In/Out
–
Wake Up
WAKEUP/GPIO21
Wake-up signal input
In
–
Serial Clock Line
SCL0/SDATA1_BS1/GPIO41
SCL1/TXD1/GPIO10
Clock signal for Dual I2C module
operation
In/Out
–
Serial Data Line
SDA0/SDATA3/GPIO42
SDA1/RXD1/GPIO44
Serial data port for second I2C
module operation
In/Out
–
Receive Data
SDA1/RXD1/GPIO44
RXD0/GPIO46
EF/RXD2/GPIO6
Receive serial data input for UART
In
–
Transmit Data
SCL1/TXD1/GPIO10
TXD0/GPIO45
XTRIM/TXD2/GPIO0
Transmit serial data output for UART
Out
–
Request-To-Send
DDATA3/RTS0/GPIO4
DDATA1/RTS1/SDATA2_BS2/GPIO2
Signals sent from UART0/1 that it is
ready to receive data
Out
–
Clear-To-Send
DDATA2/CTS0/GPIO3
DDATA0/CTS1/SDATA0_SDIO1/GPIO1
Signals sent to UART0/1 that data
can be transmitted to peripheral
In
–
Timer Output
SDATAO1/TOUT0/GPIO18
Capability of output waveform or
pulse generation
Out
–
IEC958 inputs
EBUIN1/GPIO36
EBUIN2/SCLKOUT/GPIO13
EBUIN3/CMD_SDIO2/GPIO14
QSPICS0/EBUIN4/GPIO15
Audio interfaces to IEC958 inputs
In
–
IEC958 outputs
EBUOUT1/GPIO37
QSPICS1/EBUOUT2/GPIO16
Audio interfaces to IEC958 outputs
Out
–
Serial data in
SDATAI1/GPIO17
SDATAI3/GPIO8
Audio interfaces to serial data inputs
In
–
Table 3. MCF5251 Signal Index (continued)
Signal Name
Mnemonic
Function
Input/
Output
Reset
State
相关PDF资料 |
PDF描述 |
|---|---|
| MCF5251EVM140 | 32-BIT, 140 MHz, MICROPROCESSOR, PBGA225 |
| MCF54417CMJ250 | MICROPROCESSOR, PBGA256 |
| MCF54418CMJ250 | MICROPROCESSOR, PBGA256 |
| MCF54415CMJ250 | MICROPROCESSOR, PBGA256 |
| MCIMX251AJM4A | 32-BIT, 400 MHz, MICROPROCESSOR, PBGA400 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MCF5251CVM140 | 功能描述:微处理器 - MPU AMADEUS+USB 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 |
| MCF5251DVM140 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:ColdFire Processor |
| MCF5251EVM140 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:ColdFire Processor |
| MCF5251VM140 | 功能描述:微处理器 - MPU AMADEUS+USB 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 |
| MCF5253 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:ColdFire㈢ Microprocessor Data Sheet |
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