參數(shù)資料
型號： MPC5200B
廠商： 飛思卡爾半導體(中國)有限公司
英文描述： SDRAM/DDR Memory Controller
中文描述： 內(nèi)存/ DDR存儲器控制器
文件頁數(shù)： 18/78頁
文件大?。?/td> 629K
代理商： MPC5200B
MPC5200B Data Sheet, Rev. 1
Electrical and Thermal Characteristics
Freescale Semiconductor
18
NOTE
Beware of changing the values on the pins of the reset configuration word
after the deassertion of PORRESET. This may cause problems because it
may change the internal clock ratios and so extend the PLL locking process.
3.3.4
External Interrupts
The MPC5200B provides three different kinds of external interrupts:
Four IRQ interrupts
Eight GPIO interrupts with simple interrupt capability (not available in power-down mode)
Eight WakeUp interrupts (special GPIO pins)
The propagation of these three kinds of interrupts to the core is shown in the following graphic:
Figure 4. External Interrupt Scheme
Due to synchronization, prioritization, and mapping of external interrupt sources, the propagation of
external interrupts to the core processor is delayed by several IP_CLK clock cycles. The following table
specifies the interrupt latencies in IP_CLK cycles. The IP_CLK frequency is programmable in the Clock
Distribution Module (see Note
Table 16
).
Table 16. External Interrupt Latencies
Interrupt Type
Pin Name
Clock Cycles
Reference Clock
Core Interrupt
SpecID
Interrupt Requests
IRQ0
10
IP_CLK
critical (cint)
A4.1
IRQ0
10
IP_CLK
normal (int)
A4.2
IRQ1
10
IP_CLK
normal (int)
A4.3
IRQ2
10
IP_CLK
normal (int)
A4.4
IRQ3
10
IP_CLK
normal (int)
A4.5
8 GPIOs
8 GPIOs
GPIO WakeUp
GPIO Std
IRQ0
IRQ1
IRQ2
IRQ3
PIs
cint
int
Grouper
Encoder
Encoder
Main Interrupt
Controller
CORE_CINT
CORE_INT
e300
Core
Notes:
1. PIs = Programmable Inputs
2. Grouper and Encoder functions imply programmability in software
8
8
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相關代理商/技術參數(shù)
參數(shù)描述
MPC5200B_08 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:SDRAM / DDR Memory Controller
MPC5200B_10 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:SDRAM/DDR Memory Controller
MPC5200BDS 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Technical Data
MPC5200BV400 功能描述:微處理器 - MPU 400MHz 760MIPS 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 最大時鐘頻率:536 MHz 程序存儲器大小: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 安裝風格:SMD/SMT 封裝 / 箱體:FBGA-324
MPC5200CBV266 功能描述:微處理器 - MPU 266MHz 760MIPS 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 最大時鐘頻率:536 MHz 程序存儲器大小: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 安裝風格:SMD/SMT 封裝 / 箱體:FBGA-324
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