SCF5250 Data Sheet: Technical Data, Rev. 1.3 Freescale Se" />
參數(shù)資料
型號(hào)： SCF5250VM120
廠商： Freescale Semiconductor
文件頁(yè)數(shù)： 56/56頁(yè)
文件大?。?/td> 0K
描述： MCU 32BIT 120MHZ AUD 196-MAPBGA
產(chǎn)品變化通告： Product Discontinuation 24/Feb/2012
標(biāo)準(zhǔn)包裝： 126
系列： SCF52xx
核心處理器： Coldfire V2
芯體尺寸： 32-位
速度： 120MHz
連通性： EBI/EMI，I²C，IDE，MMC，SPI，UART/USART
外圍設(shè)備： DMA，I²S，POR，串行音頻，WDT
輸入/輸出數(shù)： 57
程序存儲(chǔ)器類型： ROMless
RAM 容量： 128K x 8
電壓 - 電源 (Vcc/Vdd)： 1.08 V ~ 1.32 V
數(shù)據(jù)轉(zhuǎn)換器： A/D 6x12b
振蕩器型： 內(nèi)部
工作溫度： -20°C ~ 70°C
封裝/外殼： 196-LBGA
包裝： 托盤(pán)
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
–
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參數(shù)描述
SCF5251VM 制造商:Freescale Semiconductor 功能描述:
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SCF5740 功能描述:LED 顯示器和配件 5x7 Red 0.27" 4-CHARACTER RoHS:否 制造商:Avago Technologies 顯示器類型:7 Segment 數(shù)位數(shù)量:2 字符大小:7.8 mm x 14.22 mm 照明顏色:Red 波長(zhǎng):628 nm 共用管腳:Common Anode 工作電壓:2.05 V 工作電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 35 C 封裝:Tube
SCF5741 制造商:OSRAM 功能描述:
SCF5742 功能描述:LED 顯示器和配件 5x7 Hi-Eff Red 0.27" 4-CHARACTER RoHS:否 制造商:Avago Technologies 顯示器類型:7 Segment 數(shù)位數(shù)量:2 字符大小:7.8 mm x 14.22 mm 照明顏色:Red 波長(zhǎng):628 nm 共用管腳:Common Anode 工作電壓:2.05 V 工作電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 35 C 封裝:Tube
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