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參數(shù)資料
| 型號： | SCF5250PV120 |
| 廠商： | Motorola, Inc. |
| 英文描述： | SCF5250 Integrated ColdFire Microprocessor |
| 中文描述： | SCF5250提供了集成的ColdFire微處理器 |
| 文件頁數(shù)： | 18/48頁 |
| 文件大小： | 767K |
| 代理商： | SCF5250PV120 |
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SCF5250 Integrated ColdFire Microprocessor Data Sheet, Rev. 1.1
Signal Descriptions
Freescale Semiconductor
18
consumption is important the current taken by the divider network (in
stand-by mode) could be excessive. Therefore it is possible to generate a
VDD/2 voltage by selecting SCLK4 output mode and feeding this clock
signal (which is 50% duty cycle) through an external integration circuit.
This would generate a voltage level equal to VDD/2 but would be disabled
when stand-by mode was selected.
4.15 Secure Digital/ MemoryStick Card Interface
The device has a versatile flash card interface that supports both SecureDigital and MemoryStick cards.
The interface can either support one SecureDigital or two MemoryStick cards. No mixing of card types is
possible.
Table 11
gives the pin descriptions.
4.16 Queued Serial Peripheral Interface (QSPI)
The QSPI interface is a high-speed serial interface allowing transmit and receive of serial data. Pin
descriptions are given in
Table 12
.
Table 11. Flash Memory Card Signals
Flash Memory Signal
Description
EBUIN2/SCLKOUT/GPIO13
Clock out for both MemoryStick interfaces and for SecureDigital
EBUIN3/CMD_SDIO2/GPIO14
Secure Digital command line
MemoryStick interface 2 data i/o
DDATAO/CTS1/SDATA0_SDIO1/GPIO1
SecureDigital serial data bit 0
MemoryStick interface 1 data i/o
SCL0/SDATA1_BS1/GPIO41
SecureDigital serial data bit 1
MemoryStick interface 1 strobe
DDATA1/RTS1/SDATA2_BS2/GPIO2
SecureDigital serial data bit 2
MemoryStick interface 2 strobe
Reset output signal
Selection between Reset function and SDATA2_BS2 is done by
programming PLLCR register.
SDA0/SDATA3/GPIO42
SecureDigital serial data bit 3
Table 12. Queued Serial Peripheral Interface (QSPI) Signals
Serial
Module Signal
Description
QSPICLK/SUBR/GPIO25
Multiplexed signal IIC interface clock or QSPI clock output
Function select is done via PLLCR register.
RCK/QSPIDIN/QSPI_DOUT/GPIO26
Multiplexed signal IIC interface data or QSPI data input.
Function select is done via PLLCR register.
RCK/QSPI_DIN/QSPI_DOUT/GPIO26
QSPI_DOUT/SFSY/GPIO27
QSPI data output
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相關(guān)代理商/技術(shù)參數(shù) |
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| SCF5250VM120 | 功能描述:MCU 32BIT 120MHZ AUD 196-MAPBGA RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:SCF52xx 標(biāo)準(zhǔn)包裝:1 系列:87C 核心處理器:MCS 51 芯體尺寸:8-位 速度:16MHz 連通性:SIO 外圍設(shè)備:- 輸入/輸出數(shù):32 程序存儲(chǔ)器容量:8KB（8K x 8） 程序存儲(chǔ)器類型:OTP EEPROM 大小:- RAM 容量:256 x 8 電壓 - 電源 (Vcc/Vdd):4 V ~ 6 V 數(shù)據(jù)轉(zhuǎn)換器:- 振蕩器型:外部 工作溫度:0°C ~ 70°C 封裝/外殼:44-DIP 包裝:管件 其它名稱:864285 |
| 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: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: |
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