參數(shù)資料
型號: MPC8343EVRAGDB
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 400 MHz, MICROPROCESSOR, PBGA620
封裝: 29 X 29 MM, 2.46 MM HEIGHT, 1 MM PITCH, LEAD FREE, PLASTIC, BGA-620
文件頁數(shù): 3/79頁
文件大?。?/td> 992K
代理商: MPC8343EVRAGDB
MPC8343EA PowerQUICC II Pro Integrated Host Processor Hardware Specifications, Rev. 10
Freescale Semiconductor
11
Clock Input Timing
4
Clock Input Timing
This section provides the clock input DC and AC electrical characteristics for the device.
4.1
DC Electrical Characteristics
Table 6 provides the clock input (CLKIN/PCI_SYNC_IN) DC timing specifications for the MPC8343EA.
4.2
AC Electrical Characteristics
The primary clock source for the MPC8343EA can be one of two inputs, CLKIN or PCI_CLK, depending
on whether the device is configured in PCI host or PCI agent mode. Table 7 provides the clock input
(CLKIN/PCI_CLK) AC timing specifications for the device.
TSEC I/O
load = 25 pF
MII
0.01
W
Multiply by number
of interfaces used.
GMII or TBI
0.06
W
RGMII or RTBI
0.04
W
USB
12 MHz
0.01
W
480 MHz
0.2
W
Other I/O
0.01
W
Table 6. CLKIN DC Timing Specifications
Parameter
Condition
Symbol
Min
Max
Unit
Input high voltage
VIH
2.7
OVDD +0.3
V
Input low voltage
VIL
–0.3
0.4
V
CLKIN input current
0 V
≤ V
IN ≤ OVDD
IIN
±10
μA
PCI_SYNC_IN input current
0 V
≤ V
IN ≤ 0.5 V or
OVDD –0.5 V ≤ VIN ≤ OVDD
IIN
±10
μA
PCI_SYNC_IN input current
0.5 V
≤V
IN ≤ OVDD – 0.5 V
IIN
±50
μA
Table 7. CLKIN AC
Timing Specifications
Parameter/Condition
Symbol
Min
Typical
Max
Unit
Notes
CLKIN/PCI_CLK frequency
fCLKIN
——
66
MHz
1, 6
CLKIN/PCI_CLK cycle time
tCLKIN
15
ns
CLKIN/PCI_CLK rise and fall time
tKH, tKL
0.6
1.0
2.3
ns
2
Table 5. MPC8343EA Typical I/O Power Dissipation (continued)
Interface
Parameter
DDR2
GVDD
(1.8 V)
DDR1
GVDD
(2.5 V)
OVDD
(3.3 V)
LVDD
(3.3 V)
LVDD
(2.5 V)
Unit
Comments
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