參數(shù)資料
型號(hào): MPC8541ECVTAKF
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 600 MHz, RISC PROCESSOR, PBGA783
封裝: 29 X 29 MM, 3.75 MM HEIGHT, 1 MM PITCH, LEAD FREE, FLIP CHIP, PLASTIC, BGA-783
文件頁數(shù): 48/88頁
文件大?。?/td> 1221K
代理商: MPC8541ECVTAKF
MPC8541E PowerQUICC III Integrated Communications Processor Hardware Specification, Rev. 3.2
52
Freescale Semiconductor
PCI
13 PCI
This section describes the DC and AC electrical specifications for the PCI bus of the MPC8541E.
13.1
PCI DC Electrical Characteristics
Table 41 provides the DC electrical characteristics for the PCI interface of the MPC8541E.
13.2
PCI AC Electrical Specifications
This section describes the general AC timing parameters of the PCI bus of the MPC8541E. Note that the
SYSCLK signal is used as the PCI input clock. Table 42 provides the PCI AC timing specifications at 66
MHz.
NOTE
PCI Clock can be PCI1_CLK or SYSCLK based on POR config input.
NOTE
The input setup time does not meet the PCI specification.
Table 41. PCI DC Electrical Characteristics 1
Parameter
Symbol
Test Condition
Min
Max
Unit
High-level input voltage
VIH
VOUT ≥ VOH (min) or
2
OVDD + 0.3
V
Low-level input voltage
VIL
VOUT ≤ VOL (max)
–0.3
0.8
V
Input current
IIN
VIN
2 = 0 V or V
IN = VDD
—±5
μA
High-level output voltage
VOH
OVDD = min,
IOH = –100 μA
OVDD – 0.2
V
Low-level output voltage
VOL
OVDD = min,
IOL = 100 μA
—0.2
V
Notes:
1. Ranges listed do not meet the full range of the DC specifications of the PCI 2.2 Local Bus Specifications.
2. Note that the symbol VIN, in this case, represents the OVIN symbol referenced in Table 1 and Table 2.
Table 42. PCI AC Timing Specifications at 66 MHz
Parameter
Symbol 1
Min
Max
Unit
Notes
Clock to output valid
tPCKHOV
6.0
ns
2, 3
Output hold from Clock
tPCKHOX
2.0
ns
2, 9
Clock to output high impedance
tPCKHOZ
14
ns
2, 3, 10
Input setup to Clock
tPCIVKH
3.3
ns
2, 4, 9
Input hold from Clock
tPCIXKH
0
ns
2, 4, 9
REQ64 to HRESET 9 setup time
tPCRVRH
10
× t
SYS
clocks
5, 6, 10
HRESET to REQ64 hold time
tPCRHRX
050
ns
6, 10
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