參數(shù)資料
型號(hào): MPC8555EVTAPFX
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 833 MHz, RISC PROCESSOR, PBGA783
封裝: 29 X 29 MM, 3.75 MM HEIGHT, 1 MM PITCH, LEAD FREE, FLIP CHIP, PLASTIC, BGA-783
文件頁(yè)數(shù): 38/88頁(yè)
文件大小: 1244K
代理商: MPC8555EVTAPFX
MPC8555E PowerQUICC III Integrated Communications Processor Hardware Specifications, Rev. 4
Freescale Semiconductor
43
CPM
10 CPM
This section describes the DC and AC electrical specifications for the CPM of the MPC8555E.
10.1
CPM DC Electrical Characteristics
Table 32 provides the DC electrical characteristics for the CPM.
10.2
CPM AC Timing Specifications
Table 33 and Table 34 provide the CPM input and output AC timing specifications, respectively.
Table 32. CPM DC Electrical Characteristics
Characteristic
Symbol
Condition
Min
Max
Unit
Notes
Input high voltage
VIH
2.0
3.465
V
1
Input low voltage
VIL
GND
0.8
V
1, 2
Output high voltage
VOH
IOH = –8.0 mA
2.4
V
1
Output low voltage
VOL
IOL = 8.0 mA
0.5
V
1
Output high voltage
VOH
IOH = –2.0 mA
2.4
V
1
Output low voltage
VOL
IOL = 3.2 mA
0.4
V
1
Note:
1. This specification applies to the following pins: PA[0–31], PB[4–31], PC[0–31], and PD[4–31].
2. VIL(max) for the IIC interface is 0.8 V rather than the 1.5 V specified in the IIC standard
Table 33. CPM Input AC Timing Specifications 1
Characteristic
Symbol 2
Min3
Unit
FCC inputs—internal clock (NMSI) input setup time
tFIIVKH
6ns
FCC inputs—internal clock (NMSI) hold time
tFIIXKH
0ns
FCC inputs—external clock (NMSI) input setup time
tFEIVKH
2.5
ns
FCC inputs—external clock (NMSI) hold time
tFEIXKHb2
ns
SCC/SMC/SPI inputs—internal clock (NMSI) input setup time
tNIIVKH
6ns
SCC/SMC/SPI inputs—internal clock (NMSI) input hold time
tNIIXKH
0ns
SCC/SMC/SPI inputs—external clock (NMSI) input setup time
tNEIVKH
4ns
SCC/SMC/SPI inputs—external clock (NMSI) input hold time
tNEIXKH
2ns
TDM inputs/SI—input setup time
tTDIVKH
4ns
TDM inputs/SI—hold time
tTDIXKH
3ns
PIO inputs—input setup time
tPIIVKH
8ns
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