NHPXA270CXXX INTEL [Intel Corporation], NHPXA270CXXX Datasheet - Page 95
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NHPXA270CXXX
Manufacturer Part Number
NHPXA270CXXX
Description
Electrical, Mechanical, and Thermal Specification
Manufacturer
INTEL [Intel Corporation]
Datasheet
1.NHPXA270CXXX.pdf
(126 pages)
- Current page: 95 of 126
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Electrical, Mechanical, and Thermal Specification
tflashDOH
tflashCD
NOTES:
1. Numbers shown as integer multiples of the CLK_MEM period are ideal. Actual numbers vary with pin-to-pin differences in
2. On the first data beat of burst transfer, the tflashASW is 3 CLK_MEM periods. On subsequent data beats, the tflashASW is 1
nCSx or nSDCSx
nADV(nSDCAS)
loading and transition direction (rise or fall).
CLK_MEM period.
Symbols
Table 6-18. Flash Memory AC Specification (Sheet 2 of 2)
Figure 6-19. 32-Bit Flash Write Timing
DQM<3:0>
CLK_MEM
MD<31:0>
MA<25:2>
MA<1:0>
nCS<0>
RDnWR
nWE
nOE
MD hold from address valid
nCS de-asserted after a read/write to
next nCS or nSDCS asserted
(minimum)
tflashASW
Parameters
tflashAS
command address
First Bus Cycle
tflashCES
0b00
0b0000
CMD
NOTE: MSC0[RDF0] = 2, MSC0[RRR0] = 2
tflashWL
tflashDSWH
tflashCEH
tflashDH
MIN
tflashAH
0
1
tflashCD
MSCx[RRR]*2 +
tflashASW
TYP
tflashAS
—
1
data address
Second Bus Cycle
tflashCES
0b00
0b0000
DATA
AC Timing Specifications
Intel® PXA270 Processor
MAX
15
—
tflashWL
tflashDSWH
clk_mem
clk_mem
tflashCEH
tflashDH
Units
tflashAH
1
tflashCD
Notes
6-31
—
—
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