adsp-21462 Analog Devices, Inc., adsp-21462 Datasheet - Page 50

• Manufacturer Part Number: adsp-21462
• Description: Sharc Processor
• Manufacturer: Analog Devices, Inc.

ADSP-21462/ADSP-21465/ADSP-21467/ADSP-21469
JTAG Test Access Port and Emulation
Table 47. JTAG Test Access Port and Emulation
1
2
Parameter
Timing Requirements
t
t
t
t
t
t
Switching Characteristics
t
t
System Inputs = AD15–0, CLKCFG1–0, RESET, BOOTCFG1–0, DAI_Px, and FLAG3–0.
System Outputs = DAI_Px, AD15–0, AMI_RD, AMI_WR, FLAG3–0, CLKOUT, and EMU.
TCK
STAP
HTAP
SSYS
HSYS
TRSTW
DTDO
DSYS
1
1
2
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
SYSTEM
OUTPUTS
SYSTEM
INPUTS
TMS
TDI
TDO
TCK
t
DTDO
Figure 38. IEEE 1149.1 JTAG Test Access Port
Rev. PrC | Page 50 of 62 | January 2009
t
TCK
t
t
SSYS
DSYS
t
STAP
t
HTAP
t
HSYS
Min
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
Preliminary Technical Data
Max
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
Unit
ns
ns
ns
ns
ns
ns
ns
ns