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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： | 16/56页 |
| 文件大小： | 918K |
| 代理商： | SCF5249LAG120 |
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Signal Descriptions
SCF5249 Integrated ColdFire Microprocessor Data Sheet, Rev. 3
Freescale Semiconductor
23
8.14 Analog to Digital Converter (ADC)
The single output on the TOUT1/ADOUT/GPO35 pin provides the reference voltage in PDM format
therefore this output requires an external integrator circuit (resistor/capacitor) to convert it to a DC level to
be used by the external comparator circuit. Four external comparators compare the DC level obtained after
filtering TOUT1/ADOUT/GPO35 with the relevant input signals. The outputs of the comparators are fed
to the 4 ADIN inputs on the SCF5249: EBUIN3/ADIN0/GPI38, EBUIN4/ADIN1/GPI39,
RXD2/ADIN2/GPI38 and CTS2/ADIN3/GPI31. Selection of function for pin TOUT1/ADOUT/GPO35 is
done by writing GPIO function select register (determines if function is GPIO or not), and differentiation
between timer and adout functions is done in the ADCONFIG Register.
8.15 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 12 gives the pin descriptions.
NOTE
The SDATA0_SDIO1 and RSTO/SDATA2_BS2 signals are only used in the
160 MAPBGA package.
Table 12. Flash Memory Card Signals
Flash Memory Signal
Description
SCLKOUT/GPIO15
Clock out for both MemoryStick interfaces and for SecureDigital
CMD_SDIO2/GPIO34
Secure Digital command line
MemoryStick interface 2 data i/o
SDATA0_SDIO1/GPIO54
SecureDigital serial data bit 0
MemoryStick interface 1 data i/o
SDATA1_BS1/GPIO9
SecureDigital serial data bit 1
MemoryStick interface 1 strobe
RSTO/SDATA2_BS2
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.
SDATA3/GPIO57
SecureDigital serial data bit 3
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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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