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型号： MPC8378CVRALG
厂商： Freescale Semiconductor
文件页数： 75/128页
文件大小： 0K
描述： MPU POWERQUICC II PRO 689-PBGA
标准包装： 27
系列： MPC83xx
处理器类型： 32-位 MPC83xx PowerQUICC II Pro
速度： 667MHz
电压： 1V
安装类型： 表面贴装
封装/外壳： 689-BBGA 裸露焊盘
供应商设备封装： 689-TEPBGA II（31x31）
包装： 托盘
MPC8378E PowerQUICC II Pro Processor Hardware Specifications, Rev. 8
50
Freescale Semiconductor
Due to the special implementation of the eSDHC, there are constraints regarding the clock and data signals
propagation delay on the user board. The constraints are for minimum and maximum delays, as well as
skew between the CLK and DAT/CMD signals.
In full speed mode, there is no need to add special delay on the data or clock signals. The user should make
sure to meet the timing requirements as described further within this document.
If the system is designed to support both high-speed and full-speed cards, the high-speed constraints
should be fulfilled. If the systems is designed to operate up to 25 MHz only, full-speed mode is
recommended.
11.1
eSDHC DC Electrical Characteristics
This table provides the DC electrical characteristics for the eSDHC (SD/MMC) interface of the device.
11.2
eSDHC AC Timing Specifications (Full-Speed Mode)
This section describes the AC electrical specifications for the eSDHC (SD/MMC) interface of the device.
This table provides the eSDHC AC timing specifications for full-speed mode as defined in Figure 31 and
Figure 32.
Table 46. eSDHC interface DC Electrical Characteristics
Parameter
Symbol
Condition
Min
Max
Unit
Input high voltage
VIH
—
0.625
× OVDD
OVDD +0.3
V
Input low voltage
VIL
—
–0.3
0.25
× OVDD
V
Input current
IIN
——
±30
μA
Output high voltage
VOH
IOH = –100 uA,
at OVDD(min)
0.75
× OVDD
—V
Output low voltage
VOL
IOL = +100 uA,
at OVDD(min)
—
0.125
× OVDD
V
Table 47. eSDHC AC Timing Specifications for Full-Speed Mode
At recommended operating conditions OVDD = 3.3 V ± 165 mV.
Parameter
Symbol1
Min
Max
Unit
Note
SD_CLK clock frequency—full speed mode
fSFSCK
025
MHz
—
SD_CLK clock cycle
tSFSCK
40
—
ns
—
SD_CLK clock frequency—identification mode
fSIDCK
0400
KHz
—
SD_CLK clock low time
tSFSCKL
15
—
ns
2
SD_CLK clock high time
tSFSCKH
15
—
ns
2
SD_CLK clock rise and fall times
tSFSCKR/
tSFSCKF
—5
ns
2
Input setup times: SD_CMD, SD_DATx, SD_CD to
SD_CLK
tSFSIVKH
5—
ns
2
相关PDF资料
PDF描述
355-020-520-204 CARDEDGE 20POS DL .156 LOPRO BLK
MPC8378CVRAJF MPU POWERQUICC II PRO 689-PBGA
MPC8378CVRAGD MPU POWERQUICC II PRO 689-PBGA
MC8640DHX1067NC MPU DUAL E600 1023-FCCBGA
345-012-527-202 CARDEDGE 12POS DUAL .100 GREEN
相关代理商/技术参数
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