参数资料
型号: MPC8555PXALF
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 667 MHz, RISC PROCESSOR, PBGA783
封装: 29 X 29 MM, 3.75 MM HEIGHT, 1 MM PITCH, FLIP CHIP, PLASTIC, BGA-783
文件页数: 41/88页
文件大小: 772K
代理商: MPC8555PXALF
MPC8555E PowerQUICC III Integrated Communications Processor Hardware Specification, Rev. 3.1
46
Freescale Semiconductor
CPM
Figure 28 shows TDM input and output signals.
Figure 28. TDM Signal AC Timing Diagram
1 SPI AC timings are internal mode when it is master since SPICLK is an
output, and external mode when it is slave.
2 SPI AC timings refer always to SPICLK.
Figure 29. PIO Signal Diagram
10.3
CPM I2C AC Specification
Table 35. I2C Timing
Characteristic
Expression
All Frequencies
Unit
Min
Max
SCL clock frequency (slave)
fSCL
0FMAX
1
Hz
SCL clock frequency (master)
fSCL
BRGCLK/16512
BRGCLK/48
Hz
Bus free time between transmissions
tSDHDL
1/(2.2 * fSCL)-
s
Low period of SCL
tSCLCH
1/(2.2 * fSCL)-
s
High period of SCL
tSCHCL
1/(2.2 * fSCL)-
s
Start condition setup time2
tSCHDL
2/(divider * fSCL)
- 2
s
Start condition hold time2
tSDLCL
3/(divider * fSCL)-
s
Serial CLKIN
tTDKHOX
TDM Input Signals
There are 4 possible TDM timing conditions:
tTDIVKH
tTDIXKH
TDM Output Signals
Note:
1.
2.
3.
4.
Input sampled on the rising edge and output driven on the rising edge (shown).
Input sampled on the rising edge and output driven on the falling edge.
Input sampled on the falling edge and output driven on the falling edge.
Input sampled on the falling edge and output driven on the rising edge.
Sys clk
PIO inputs
PIO outputs
tPIIVKH
tPIIXKH
tPIKHOX
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MPC8555PXAQF 功能描述:微处理器 - MPU PQ 37 LITE 8555 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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