参数资料
型号: MPC8272VRPIEX
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 300 MHz, RISC PROCESSOR, PBGA516
封装: 27 X 27 MM, 1 MM PITCH, PLASTIC, MS-034AAL-1, BGA-516
文件页数: 11/60页
文件大小: 746K
代理商: MPC8272VRPIEX
MPC8272 PowerQUICC II Family Hardware Specifications, Rev. 2
Freescale Semiconductor
19
AC Electrical Characteristics
Figure 6 shows the SCC/SMC/SPI/I2C internal clock.
Figure 6. SCC/SMC/SPI/I2C Internal Clock Diagram
Figure 7 shows TDM input and output signals.
Figure 7. TDM Signal Diagram
BRG_OUT
SCC/SMC/SPI/I2C input signals
SCC/SMC/SPI/I2C output signals
sp18a
sp19a
sp38a/sp39a
(See note)
Note: There are four possible timing conditions for SCC and SPI:
1. Input sampled on the rising edge and output driven on the rising edge (shown).
2. Input sampled on the rising edge and output driven on the falling edge.
3. Input sampled on the falling edge and output driven on the falling edge.
4. Input sampled on the falling edge and output driven on the rising edge.
Serial CLKin
TDM input signals
TDM output signals
sp20
sp21
sp40/sp41
Note: There are four possible TDM timing conditions:
1. Input sampled on the rising edge and output driven on the rising edge (shown).
2. Input sampled on the rising edge and output driven on the falling edge.
3. Input sampled on the falling edge and output driven on the falling edge.
4. Input sampled on the falling edge and output driven on the rising edge.
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