mcimx50 Freescale Semiconductor, Inc, mcimx50 Datasheet - Page 85

• Manufacturer Part Number: mcimx50
• Description: I.mx50 Applications Processors For Consumer Products
• Manufacturer: Freescale Semiconductor, Inc

Freescale Semiconductor
1
2
SJ0
SJ1
SJ2
SJ3
SJ4
SJ5
SJ6
SJ7
SJ8
SJ9
SJ10
SJ11
SJ12
SJ13
T
V
ID
DC
M
= mid-point voltage
= target frequency of SJC
TCK frequency of operation 1/(3•T
TCK cycle time in crystal mode
TCK clock pulse width measured at
TCK rise and fall times
Boundary scan input data set-up time
Boundary scan input data hold time
TCK low to output data valid
TCK low to output high impedance
TMS, TDI data set-up time
TMS, TDI data hold time
TCK low to TDO data valid
TCK low to TDO high impedance
TRST assert time
TRST set-up time to TCK low
(Input)
TRST
(Input)
TCK
i.MX50 Applications Processors for Consumer Products, Rev. 0
SJ12
Parameter
SJ13
DC
Figure 50. TRST Timing Diagram
V
)
M
1
2
1,2
Table 61. JTAG Timing
0.001
22.5
Min
100
45
24
25
40
—
—
—
—
—
All Frequencies
5
5
Electrical Characteristics
Max
22
40
40
44
44
—
—
—
—
—
—
—
—
3
MHz
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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