MPC8544VTALF Freescale Semiconductor, MPC8544VTALF Datasheet - Page 688
![MPU POWERQUICC III 783-PBGA](/photos/37/62/376266/mpc8544e_image_sml.jpg)
MPC8544VTALF
Manufacturer Part Number
MPC8544VTALF
Description
MPU POWERQUICC III 783-PBGA
Manufacturer
Freescale Semiconductor
Datasheets
1.MPC8544VTALF.pdf
(117 pages)
2.MPC8544VTALF.pdf
(2 pages)
3.MPC8544VTALF.pdf
(1340 pages)
Specifications of MPC8544VTALF
Processor Type
MPC85xx PowerQUICC III 32-Bit
Speed
667MHz
Voltage
1V
Mounting Type
Surface Mount
Package / Case
783-FCPBGA
Processor Series
MPC85xx
Core
e500
Data Bus Width
32 bit
Maximum Clock Frequency
667 MHz
Maximum Operating Temperature
+ 105 C
Mounting Style
SMD/SMT
Data Ram Size
32 KB
I/o Voltage
1.8 V, 3.3 V
Interface Type
I2C, HSSI, DUART
Minimum Operating Temperature
0 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MPC8544VTALF
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
Company:
Part Number:
MPC8544VTALFA
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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Local Bus Controller
signal of the corresponding bank depends on the value of each CSTn bit.
control LCSn signals.
14.4.4.4.3
If BRn[MSEL] of the accessed memory bank selects a UPM on the currently requested cycle, the selected
UPM affects the assertion and negation of the appropriate LBS[0:3] signal. The timing of all four
byte-select signals is specified in the RAM word. However, LBS[0:3] are also controlled by the port size
of the accessed bank, the number of bytes to transfer, and the address accessed.
Figure 14-60
The uppermost byte select (LBS0), when asserted, indicates that LAD[0:7] contains valid data during a
cycle. Likewise, LBS1 indicates that LAD[8:15] contains valid data, LBS2 indicates that LAD[16:23]
contains valid data, and LBS3 indicates that LAD[24:31] contains valid data. For a UPM refresh timer
request, all LBS[0:3] signals are asserted/negated by the UPM according to the refresh pattern only.
14-68
shows how UPMs control LBS[0:3].
MPC8544E PowerQUICC III Integrated Host Processor Family Reference Manual, Rev. 1
Byte Select Signal Timing (BST n )
UPMA/B/C
SDRAM
UPMA
UPMB
UPMC
GPCM
Figure 14-59. LCS n Signal Selection
Figure 14-60. LBS Signal Selection
BR n [MSEL]
MUX
Bank Selected
BR n [MSEL]
Bank Selected
MUX
BR n [PS]
Byte-Select
Byte count
Logic
Switch
A[29:31]
Figure 14-59
LCS0
LCS1
LCS2
LCS3
LCS4
LCS5
LCS6
LCS7
LBS0
LBS1
LBS2
LBS3
Freescale Semiconductor
shows how UPMs
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