MC56F8346 Freescale Semiconductor, Inc, MC56F8346 Datasheet - Page 160

• Manufacturer Part Number: MC56F8346
• Description: 56f8300 16-bit Digital Signal Controllers
• Manufacturer: Freescale Semiconductor, Inc

160
1. TCK frequency of operation must be less than 1/8 the processor rate.
2. T = processor clock period (nominally 1/60MHz)
TMS, TDI data hold time
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 10-20 Test Access Port Timing Diagram
Figure 10-19 Test Clock Input Timing Diagram
– V
IL
)/2
V
IH
t
t
t
TS
DV
DV
Symbol
Table 10-23 JTAG Timing
56F8346 Technical Data, Rev. 15
t
TRST
t
t
t
DH
DV
TS
t
PW
V
V
M
IL
Min
2T
—
—
5
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
ns
t
DH
Freescale Semiconductor
See Figure
10-20
10-20
10-20
10-21
Preliminary