參數(shù)資料
型號(hào)： MCF5471VR200
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 32-BIT, 200 MHz, RISC PROCESSOR, PBGA388
封裝： 27 X 27 MM, MS-034AAL-1, PBGA-388
文件頁數(shù)： 4/34頁
文件大?。?/td> 600K
代理商： MCF5471VR200
MCF547x ColdFire Microprocessor, Rev. 4
Reset Timing Specifications
Freescale Semiconductor
12
7
Reset Timing Specifications
Table 9 lists specifications for the reset timing parameters shown in Figure 10
Figure 10 shows reset timing for the values in Table 9.
Figure 10. Reset Timing
8FlexBus
A multi-function external bus interface called FlexBus is provided on the MCF54
72 with basic functionality to interface to
slave-only devices up to a maximum bus frequency of 66 MHz. It can be directly connected to asynchronous or synchronous
devices such as external boot ROMs, flash memories, gate-array logic, or other simple target (slave) devices with little or no
additional circuitry. For asynchronous devices, a simple chip-select based interface can be used. The FlexBus interface has six
general purpose chip-selects (FBCS[5:0]). Chip-select FBCS0 can be dedicated to boot ROM access and can be programmed
to be byte (8 bits), word (16 bits), or longword (32 bits) wide. Control signal timing is compatible with common ROM / flash
memories.
Table 9. Reset Timing Specifications
Num
Characteristic
66 MHz CLKIN
Units
Min
Max
R11
1 RSTI and FlexBus data lines are synchronized internally. Setup and hold
times must be met only if recognition on a particular clock is required.
Valid to CLKIN (setup)
8
—
ns
R2
CLKIN to invalid (hold)
1.0
—
ns
R3
RSTI to invalid (hold)
1.0
—
ns
RSTI pulse duration
5
—
CLKIN cycles
CLKIN
R1
R3
R2
R1
RSTI
Mode Select
FlexBus
NOTE:
Mode selects are registered on the rising clock edge before
the cycle in which RSTI is recognized as being negated.
相關(guān)PDF資料
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MCF5473VR200 32-BIT, 200 MHz, RISC PROCESSOR, PBGA388
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MCF5471ZP200 功能描述:微處理器 - MPU MCF547X V4ECORE MMU FPU RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:536 MHz 程序存儲(chǔ)器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324
MCF5472 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:MCF547x Integrated Microprocessor Electrical Characteristics
MCF5472EC 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:MCF547x ColdFire Microprocessor
MCF5472VR200 功能描述:微處理器 - MPU MCF547X V4ECORE MMU FPU RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:536 MHz 程序存儲(chǔ)器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324
MCF5472ZP200 功能描述:微處理器 - MPU MCF547X V4ECORE MMU FPU RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:536 MHz 程序存儲(chǔ)器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324
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