MC56F8345 Freescale Semiconductor, Inc, MC56F8345 Datasheet - Page 151
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MC56F8345
Manufacturer Part Number
MC56F8345
Description
56f8300 16-bit Digital Signal Controllers
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC56F8345.pdf
(164 pages)
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Freescale Semiconductor
Preliminary
1. TCK frequency of operation must be less than 1/8 the processor rate.
2. T = processor clock period (nominally 1/60MHz)
TCK low to TDO data valid
TCK low to TDO tri-state
TRST assertion time
(Output)
(Output)
(Output
(Input)
(Input)
(Input)
TCK
TMS
TDO
TDO
TDO
TCK
TDI
V
Characteristic
M
)
= V
IL
+ (V
IH
Figure 10-19 Test Access Port Timing Diagram
Figure 10-18 Test Clock Input Timing Diagram
– V
IL
)/2
V
IH
t
t
t
TS
Symbol
DV
DV
Table 10-22 JTAG Timing
t
56F8345 Technical Data, Rev. 17
TRST
t
t
DV
TS
t
PW
V
V
M
IL
Min
2T
—
—
2
1/f
OP
Input Data Valid
t
DS
Max
30
30
—
Output Data Valid
Output Data Valid
t
PW
V
M
Unit
ns
ns
ns
t
DH
See Figure
10-19
10-19
10-20
JTAG Timing
151