收藏本站
参数资料
型号： SCF5250VM120
厂商： Freescale Semiconductor
文件页数： 56/56页
文件大小： 0K
描述： MCU 32BIT 120MHZ AUD 196-MAPBGA
产品变化通告： Product Discontinuation 24/Feb/2012
标准包装： 126
系列： SCF52xx
核心处理器： Coldfire V2
芯体尺寸： 32-位
速度： 120MHz
连通性： EBI/EMI，I²C，IDE，MMC，SPI，UART/USART
外围设备： DMA，I²S，POR，串行音频，WDT
输入/输出数： 57
程序存储器类型： ROMless
RAM 容量： 128K x 8
电压 - 电源 (Vcc/Vdd)： 1.08 V ~ 1.32 V
数据转换器： A/D 6x12b
振荡器型： 内部
工作温度： -20°C ~ 70°C
封装/外壳： 196-LBGA
包装： 托盘
SCF5250 Data Sheet: Technical Data, Rev. 1.3
Freescale Semiconductor
9
Table 2. SCF5250 Signal Index
Signal Name
Mnemonic
Function
Input/
Output
Reset
State
Address
A[24:1]
A[23]/GPO54
24 address lines, address line 23
multiplexed with GPO54 and address 24
is multiplexed with A20 (SDRAM access
only).
Out
X
Read-write control
R/W
Bus write enable - indicates if read or
write cycle in progress
Out
H
Output enable
OE
Output enable for asynchronous
memories connected to chip selects
Out
negated
Data
D[31:16]
Data bus used to transfer word data
In/Out
Hi-Z
Synchronous row address
strobe
SDRAS/GPIO59
Row address strobe for external SDRAM.
Out
negated
Synchronous column
address strobe
SDCAS/GPIO39
Column address strobe for external
SDRAM
Out
negated
SDRAM write enable
SDWE/GPIO38
Write enable for external SDRAM
Out
negated
SDRAM upper byte
enable
SDUDQM/GPO53
Indicates during write cycle if high byte is
written
Out
–
SDRAM lower byte enable SDLDQM/GPO52
Indicates during write cycle if low byte is
written
Out
–
SDRAM chip selects
SD_CS0/GPIO60
SDRAM chip select
In/Out negated
SDRAM clock enable
BCLKE/GPIO63
SDRAM clock enable
Out
–
System clock
BCLK/GPIO40
SDRAM clock output
In/Out
–
ISA bus read strobe
IDE-DIOR/GPIO31
(CS2)
There is 1 ISA bus read strobe and 1 ISA
bus write strobe. They allow connection
of one independent ISA bus peripherals,
e.g. 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/QSPI_CS3/GPIO28
Enables peripherals at programmed
addresses.
CS[0] 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
WAKE_UP/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
Signal is receive serial data input for
DUART
In
–
相关PDF资料
PDF描述
VI-B6Z-IX-F3 CONVERTER MOD DC/DC 2V 30W
5502632-9 ADAPTER SC METAL SIMPLEX BEIGE
PC9RS08KA2PAE MCU 8BIT 2KB FLASH RS08 8-DIP
PC9RS08KA2FPE MCU 8BIT 2KB FLASH RS08 6-VDFN
PC9RS08KA2DWE MCU 8BIT 2KB FLASH RS08 8-SOIC
相关代理商/技术参数
参数描述
SCF5251VM 制造商:Freescale Semiconductor 功能描述:
SCF54417M0CMJ250 制造商:Freescale Semiconductor 功能描述:COLDFIREV4M CORE - Bulk
SCF5740 功能描述:LED 显示器和配件 5x7 Red 0.27" 4-CHARACTER RoHS:否 制造商:Avago Technologies 显示器类型:7 Segment 数位数量:2 字符大小:7.8 mm x 14.22 mm 照明颜色:Red 波长:628 nm 共用管脚:Common Anode 工作电压:2.05 V 工作电流:20 mA 最大工作温度:+ 85 C 最小工作温度:- 35 C 封装:Tube
SCF5741 制造商:OSRAM 功能描述:
SCF5742 功能描述:LED 显示器和配件 5x7 Hi-Eff Red 0.27" 4-CHARACTER RoHS:否 制造商:Avago Technologies 显示器类型:7 Segment 数位数量:2 字符大小:7.8 mm x 14.22 mm 照明颜色:Red 波长:628 nm 共用管脚:Common Anode 工作电压:2.05 V 工作电流:20 mA 最大工作温度:+ 85 C 最小工作温度:- 35 C 封装:Tube
发布紧急采购，3分钟左右您将得到回复。

采购需求

(若只采购一条型号，填写一行即可)

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

*型号 *数量 厂商 批号 封装
添加更多采购

我的联系方式

*
*
*