参数资料
型号: MCF5251CEVM140
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 140 MHz, MICROPROCESSOR, PBGA225
封装: LEAD FREE, MAPBGA-225
文件页数: 8/32页
文件大小: 652K
代理商: MCF5251CEVM140
Electrical Specifications
MCF5251 ColdFire Processor Data Sheet: Technical Data, Rev. 2.1
16
Freescale Semiconductor
4.3
Serial Audio Interface Timing
The Serial Audio Interface fully complies with the Industry standard Philips IIS (InterIC Serial Audio Bus)
timings.
4.4
DDATA/PST/PSTCLK Debug Interface
Table 13 provides the timing parameters.
4.5
BDM and JTAG Timing
Table 14 provides the BDM timing parameters.
Figure 4 provides the JTAG timing diagram and Table 15 provides the JTAG timing parameters.
Table 12. SPDIF Propagation Skew and Transition Parameters
Characteristic
Pin Load
Prop Delay
Maximum
Skew1
Maximum
1 Skew value does not include the skew introduced by different rise and fall times.
Transition2 Rise
Maximum
2 Transition times between 10% Vdd and 90% Vdd.
Transition Fall
Maximum
Units
EBUIN1, EBUIN2, EBUIN3, EBUIN4:
asynchronous inputs, no specs apply
––
0.7
ns
EBUOUT1, EBUOUT2 output
40 pF
1.5
24.2
31.3
ns
EBUOUT1, EBUOUT2 output
20 pF
1.5
13.6
18.0
ns
Table 13. DDATA/PST/PSTCLK Debug Interface Timing Parameters
Characteristic
Pin Load
Min
Max
Units
PSTCLK clock rise edge to DDATA/PSTDATA1 invalid
1 Note that output data may go invalid before rising edge of the clock. To clock data in reliably, you need to sample data, for
example, 2 ns before rising edge of clock.
15 pF
–1.0
ns
PSTCLK clock rise edge to DDATA/PSTDATA2 valid
2 Timing figure given takes 50% margin for noise and uncertainty on pin capacitance. Simulated clock-to-data, not taking noise
effects into account is 2.7 ns.
15 pF
4.0
ns
Table 14. BDM Interface Timing Parameters
Characteristic
Min
Max
Units
Clock period for DSCLK clock
5T1
1 T denotes the CPU clock period. E.g. if the CPU is running at 100 MHz, T = 10 ns
ns
Set-up time DSI, BKPT, to DSCLK rising edge
4.0
ns
Hold time DSI, BKPT to DSCLK rising edge
T+ 4.0
ns
Propagation delay DSCLK rising edge to TDO/DSO change
3T
4T + 32
ns
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相关代理商/技术参数
参数描述
MCF5251CVM140 功能描述:微处理器 - MPU AMADEUS+USB 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
MCF5251DVM140 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:ColdFire Processor
MCF5251EVM140 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:ColdFire Processor
MCF5251VM140 功能描述:微处理器 - MPU AMADEUS+USB 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
MCF5253 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:ColdFire㈢ Microprocessor Data Sheet