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参数资料
| 型号： | MPC8270ZQUPEX |
| 厂商： | FREESCALE SEMICONDUCTOR INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 32-BIT, 450 MHz, RISC PROCESSOR, PBGA516 |
| 封装： | 27 X 27 MM, 2.25 MM HEIGHT, 1 MM PITCH, PLASTIC, BGA-516 |
| 文件页数： | 9/80页 |
| 文件大小： | 536K |
| 代理商： | MPC8270ZQUPEX |
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MPC8280 PowerQUICC II Family Hardware Specifications, Rev. 1.8
Freescale Semiconductor
17
AC Electrical Characteristics
Figure 5. SCC/SMC/SPI/I2C External Clock Diagram
Figure 6 shows the SCC/SMC/SPI/I
2C internal clock.
Figure 6. SCC/SMC/SPI/I2C Internal Clock Diagram
Serial CLKin
SCC/SMC/SPI/I2C input signals
SCC/SMC/SPI/I2C output signals
sp18b
sp19b
sp38b/sp39b
(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.
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.
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