MCIMX27 Motorola Semiconductor Products, MCIMX27 Datasheet - Page 68

• Manufacturer Part Number: MCIMX27
• Manufacturer: Motorola Semiconductor Products

Signal Descriptions
68
NF10 Write Cycle Time
NF11 NFWE Hold Time
NF12 Ready to NFRE Low
NF13 NFRE Pulse Width
NF14 READ Cycle Time
NF15 NFRE High Hold Time
NF16 Data Setup on READ
NF17 Data Hold on READ
NF1 NFCLE Setup Time
NF2 NFCLE Hold Time
NF3 NFCE Setup Time
NF4 NFCE Hold Time
NF5 NF_WP Pulse Width
NF6 NFALE Setup Time
NF7 NFALE Hold Time
NF8 Data Setup Time
NF9 Data Hold Time
ID
NFIO[15:0]
Parameter
NFCLE
NFRB
NFCE
NFRE
i.MX27 Data Sheet, Advance Information, Rev. 0.1
Figure 33. Read Data Latch Timing Diagram
Table 34. NFC Target Timing Parameters
Preliminary—Subject to Change Without Notice
Symbol
NF12
tREH
tDSR
tDHR
tCLS
tCLH
tALH
tALS
tWC
tWH
tWP
tCH
tDH
tRR
tRC
tCS
tDS
tRP
NF3
Relationship to
1.5T
0.5T
Min
2T
4T
2T
15
NFC clock
T
T
T
T
T
T
T
T
T
T
0
period (T)
Data from Flash
NF13
NF16
Max
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
NF14
NFC clock 22.17
67.5
22.5
Min
180
45
45
45
45
45
45
45
45
45
90
45
90
15
NF15
0
T = 45 ns
MHz
NF17
Max
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Min
120
30
30
30
30
30
30
30
30
30
60
30
45
60
15
15
0
NFC clock
33.25 MHz
T = 30 ns
Freescale Semiconductor
Max
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns