ADSP-21266SKBC-2B AD [Analog Devices], ADSP-21266SKBC-2B Datasheet - Page 36

• Manufacturer Part Number: ADSP-21266SKBC-2B
• Description: SHARC Embedded Processor
• Manufacturer: AD [Analog Devices]

ADSP-21266
JTAG Test Access Port and Emulation
See
Table 32. JTAG Test Access Port and Emulation
1
2
Parameter
Timing Requirements
t
t
t
t
t
t
Switching Characteristics
t
t
System Inputs = AD15
System Outputs = MISO, MOSI, SPICLK, DAI_Px, AD15
TCK
STAP
HTAP
SSYS
HSYS
TRSTW
DTDO
DSYS
Table 32
and
Figure
TCK Period
TDI, TMS Setup Before TCK High
TDI, TMS Hold After TCK High
System Inputs Setup Before TCK High
System Inputs Hold After TCK High
TRST Pulse Width
TDO Delay from TCK Low
System Outputs Delay After TCK Low
–
0, SPIDS, CLKCFG1
OUTPUTS
SYSTEM
SYSTEM
INPUTS
27.
TCK
TMS
TDO
TDI
–
0, RESET, BOOTCFG1
Figure 27. JTAG Test Access Port and Emulation
–
t
DTDO
0, RD, WR, FLAG3
1
Rev. B | Page 36 of 44 | May 2005
2
1
t
TCK
–
t
t
DSYS
SSYS
t
0, MISO, MOSI, SPICLK, DAI_Px, FLAG3
STAP
–
0, CLKOUT, EMU, ALE.
t
HTAP
t
HSYS
Min
20
5
6
7
8
4t
CK
–
0.
Max
7
10
Unit
ns
ns
ns
ns
ns
ns
ns
ns