参数资料
型号: MPC8308-KIT
厂商: Freescale Semiconductor
文件页数: 67/83页
文件大小: 0K
描述: KIT EVALUATION FOR MPC830X
标准包装: 1
系列: PowerQUICC II™ PRO
类型: MPU
适用于相关产品: MPC8308
所含物品: 板,线缆,CD,电源
MPC8308 PowerQUICC II Pro Processor Hardware Specification, Rev. 3
Freescale Semiconductor
7
Clock Input Timing
This table describes a typical scenario where blocks with the stated percentage of utilization and
impedances consume the amount of power described.
1
4
Clock Input Timing
This section provides the clock input DC and AC electrical characteristics for the device.
4.1
DC Electrical Characteristics
This table provides the system clock input (SYS_CLK_IN) DC electrical specifications for the device.
This table provides the RTC clock input (RTC_PIT_CLOCK) DC electrical specifications for the device.
4.2
AC Electrical Characteristics
The primary clock source for the device is SYS_CLK_IN. This table provides the system clock input
(SYS_CLK_IN) AC timing specifications for the device.
Table 5. MPC8308 Typical I/O Power Dissipation
Interface
Parameter
GVDD
(1.8 V)
NVDD
(3.3 V)
LVDD/
(3.3 V)
LVDD
(2.5 V)
Unit
Comments
DDR2
Rs = 22
Rt = 75
250 MHz
32 bits+ECC
266 MHz
32 bits+ECC
0.302
0.309
——
W
Local bus I/O load = 20 pF
62.5 MHz
66 MHZ
—0.038
0.040
——
W
TSEC I/O load = 20 pF
MII, 25 MHz
0.008
W
2 controllers
RGMII, 125 MHz
0.078
0.044
W
eSDHC IO Load = 40 pF
50 MHz
0.008
W
USB IO Load = 20 pF
60 MHz
0.012
W
Other I/O
0.017
W
Table 6. SYS_CLK_IN DC Electrical Characteristics
Parameter
Condition
Symbol
Min
Max
Unit
Input high voltage
VIH
2.4
NVDD +0.3
V
Input low voltage
VIL
–0.3
0.4
V
SYS_CLK_IN input current
0 V
V
IN NVDD
IIN
—±10
A
Table 7. RTC_PIT_CLOCK DC Electrical Characteristics
Parameter
Condition
Symbol
Min
Max
Unit
Input high voltage
VIH
3.3 V – 400 mV
V
Input low voltage
VIL
00.4
V
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