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参数资料
| 型号： | SCF5249LAG120 |
| 厂商： | FREESCALE SEMICONDUCTOR INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 32-BIT, 120 MHz, RISC PROCESSOR, PQFP144 |
| 封装： | LEAD FREE, QFP-144 |
| 文件页数： | 6/56页 |
| 文件大小： | 918K |
| 代理商： | SCF5249LAG120 |
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SCF5249 Integrated ColdFire Microprocessor Data Sheet, Rev. 3
Signal Descriptions
Freescale Semiconductor
14
ISA bus read strobes
CS2/IDE-DIOR/GPIO13
CS3/SRE/GPIO11
There are 2 ISA bus read strobes and
2 ISA bus write strobes. They allow
connection of two independent ISA
bus peripherals, e.g. an IDE slave
device and a SmartMedia card.
In/Out
ISA bus write strobes
IDE-DIOW/GPIO14
SWE/GPIO12
In/Out
ISA bus wait signal
IDE-IORDY/GPIO16
ISA bus wait line - available for both
busses
In/Out
Chip Selects[1:0]
CS0
CS1/GPIO58
Enables peripherals at programmed
addresses.
CS[1:0]. CS[0]provides boot ROM
selection
Out
In/Out
negated
Buffer enable 1
BUFENB1/GPIO57
Two programmable buffer enables
allow seamless steering of external
buffers to split data and address bus
in sections.
In/Out
Buffer enable 2
BUFENB2/GPIO7
In/Out
Transfer acknowledge
TA/GPIO20
Transfer Acknowledge signal
In/Out
Serial Clock Line
SCL0/QSPI_CLK
Clock signal for first I2C module
operation
Signal is also QSPI clock
In/Out
Serial Data Line
SDA0/QSPI_DIN
Serial data port first I2C module
operation
Signal is also QSPI data in
In/Out
Serial Clock Line
SCL1_GPIO_3
Clock signal for second I2C module
operation
In/Out
Serial Data Line
SDA1_GPIO55
Serial data port for second I2C
module operation
In/Out
Receive Data
RXD1/GPI28/ADIN2
RXD0/GPI27
Signal is receive serial data input for
DUART
In
Transmit Data
TXD1/GPO28
TXD0/GPO27
Signal is transmit serial data output
for DUART
Out
asserted
Request-To-Send
RTS1/GPO31
RTS2/GPO30
DUART signals a ready to receive
data query
Out
negated
Clear-To-Send
CTS1/ADIN3/GPI31
CTS0/GPI30
Signals to DUART that data can be
transmitted to peripheral
CTS2 is multiplexed with an A/D
input
In
Timer Input
TIN0/GPI33
TIN1/GPIO23
Provides clock input to timer or
provides trigger to timer value
capture logic
In
In/Out
Timer Output
TOUT0/GPO33
TOUT1/ADOUT/GPO35
Capable of output waveform or pulse
generation
Out
Table 4. SCF5249 Signal Index (continued)
Signal Name
Mnemonic
Function
Input/
Output
Reset
State
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PDF描述 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SCF5249LPV120 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SCF5249VF140 | 功能描述:微处理器 - MPU AUDIO COLDFIRE 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 |
| SCF5249VM140 | 制造商:Freescale Semiconductor 功能描述:AUDIO COLDFIRE - Trays |
| SCF5250 | 制造商:MOTOROLA 制造商全称:Motorola, Inc 功能描述:SCF5250 Integrated ColdFire Microprocessor |
| SCF5250AG120 | 功能描述:微处理器 - MPU AMADEUS PLUS 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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