adsp-21266skstz-2b Analog Devices, Inc., adsp-21266skstz-2b Datasheet - Page 38

• Manufacturer Part Number: adsp-21266skstz-2b
• Description: Sharc Embedded Processor
• Manufacturer: Analog Devices, Inc.

ADSP-21261/ADSP-21262/ADSP-21266
JTAG Test Access Port and Emulation
Table 37. 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, SPIDS, CLK_CFG1–0, RESET, BOOT_CFG1–0, MISO, MOSI, SPICLK, DAI_Px, FLAG3–0.
System Outputs = MISO, MOSI, SPICLK, DAI_Px, AD15–0, RD, WR, FLAG3–0, CLKOUT, EMU, ALE.
TCK
STAP
HTAP
SSYS
HSYS
TRSTW
DTDO
DSYS
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
OUTPUTS
SYSTEM
SYSTEM
INPUTS
8
TCK
TMS
TDO
TDI
Figure 27. JTAG Test Access Port and Emulation
t
DTDO
1
Rev. E | Page 38 of 48 | July 2008
2
1
t
TCK
t
t
DSYS
SSYS
t
STAP
t
HTAP
t
HSYS
Min
20
5
6
7
4 × t
CK
Max
7
10
Unit
ns
ns
ns
ns
ns
ns
ns
ns