PXA250 INTEL [Intel Corporation], PXA250 Datasheet - Page 39

• Manufacturer Part Number: PXA250
• Description: Intel-R PXA250 and PXA210 Applications Processors
• Manufacturer: INTEL [Intel Corporation]

4.7
Datasheet
Table 16. Sleep Mode Timing Specifications
Table 17. SRAM / ROM / Flash / Synchronous Fast Flash AC Specifications (Sheet 1 of 2)
tromASW
tromAHW
tromCES
tromCEH
Symbol
tromAH
tromDS
tromAS
Memory Bus and PCMCIA AC Specifications
This section gives the timing information for these types of memory:
tDSM_OUT_O
•
•
•
•
tD_PWR_R
tDSM_VCC
tDSM_OUT
tD_PWR_F
tD_FAULT
tA_GP[x}
Symbol
SRAM / ROM / Flash / Synchronous Fast Flash Asynchronous writes (Table 17, “SRAM /
ROM / Flash / Synchronous Fast Flash AC Specifications” on page 39)
Variable Latency I/O (Table 18, “Variable Latency I/O Interface AC Specifications” on
page 40)
Card Interface (PCMCIA or Compact Flash) (Table 19, “Card Interface (PCMCIA or Compact
Flash) AC Specifications” on page 41)
Synchronous Memories (Table 20, “Synchronous Memory Interface AC Specifications
page 42)
MA(25:0) setup to nCS, nOE, nSDCAS
(as nADV) asserted
MA(25:0) hold after nCS, nOE,
nSDCAS (as nADV) deasserted
MA(25:0) setup to nWE asserted
MA(25:0) hold after nWE deasserted
nCS setup to nWE asserted
nCS hold after nWE deasserted
MD(31:0), DQM(3:0) write data setup to
nWE asserted
Electrical, Mechanical, and Thermal Specification — PXA250 and PXA210
Assert Time of GPIO Wake up Source
(x=[15:0])
Delay from nRESET_OUT asserted to
PWR_EN deasserted
Delay between GP[x] asserted to
PWR_EN asserted
Delay between PWR_EN asserted and
VCC stable
Delay between PWR_EN asserted and
nVDD_FAULT deasserted
Delay between PWR_EN asserted and
nRESET_OUT deasserted, OPDE Set
Delay between PWR_EN asserted and
nRESET_OUT deasserted, OPDE Clear
Description
Description
99.5
10
10
30
10
20
10
10
MEMCLK Frequency (MHz)
118.0
25.5
8.5
8.5
8.5
8.5
8.5
17
10.35
91.6
30.5
28.0
132.7
Min
22.5
61
7.5
7.5
7.5
7.5
7.5
15
147.5
20.4
13.6
6.8
6.8
6.8
6.8
6.8
Typical
165.9
18
12
6
6
6
6
6
Units,
Notes
122.1
ns, 1
ns, 1
ns, 3
ns, 1
ns, 2
ns, 1
ns, 1
Max
91.6
10.5
10
10
80
1
” on
Units
ms
ms
ms
ms
39
s
s
s