MPC8308CVMADDA FREESCALE [Freescale Semiconductor, Inc], MPC8308CVMADDA Datasheet - Page 47
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MPC8308CVMADDA
Manufacturer Part Number
MPC8308CVMADDA
Description
MPC8308 PowerQUICC II Pro Processor Hardware Specification
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.MPC8308CVMADDA.pdf
(88 pages)
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13 Enhanced Secure Digital Host Controller (eSDHC)
This section describes the DC and AC electrical specifications for the eSDHC (SD/MMC/SDIO) interface
of the MPC8308.
The eSDHC controller always uses the falling edge of the SD_CLK in order to drive the
SD_DAT[0:3]/CMD as outputs and rising edge to sample the SD_DAT[0:3], CMD, CD and WP as inputs.
This behavior is true for both full and high speed modes.
13.1
Table 38
compatible with SDHC specifications. The eSDHC NV
Freescale Semiconductor
GPCM Mode Output Signals:
LCS[0:3]/LBS[0:1]/LGPL[0:5]
UPM Mode Output Signals:
provides the DC electrical characteristics for the eSDHC (SD/MMC) interface of the device,
Output high voltage
Output low voltage
eSDHC DC Electrical Characteristics
UPM Mode Input Signal:
Characteristic
Figure 33. Local Bus Signals, GPCM/UPM Signals for LCCR[CLKDIV] = 4
LCS[0:3]/LWE
Input Signals:
MPC8308 PowerQUICC II Pro Processor Hardware Specification, Rev. 0
LUPWAIT
LD[0:15]
Table 38. eSDHC interface DC Electrical Characteristics
LCLK
T1
T2
T3
T4
Symbol
t
t
LBKHOV
LBKHOV
V
V
OH
OL
I
OH
I
OL
Condition
= –8.0 mA
t
LBIVKH
= 8.0 mA
t
t
LBKHOZ
LBKHOZ
DD
range is between 3.0 V and 3.6 V.
Enhanced Secure Digital Host Controller (eSDHC)
t
Min
LBIVKH
2.4
—
t
LBIXKH
Max
0.5
—
t
LBIXKH
Unit
V
V
47
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