ADSP-21267SKBCZ-X AD [Analog Devices], ADSP-21267SKBCZ-X Datasheet - Page 35

• Manufacturer Part Number: ADSP-21267SKBCZ-X
• Description: Preliminary Technical Data
• Manufacturer: AD [Analog Devices]

JTAG Test Access Port and Emulation
Table 30. 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, CLKCFG1-0, RESET, BOOTCFG1-0, 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 Low
System Inputs Hold After TCK Low
TRST Pulse Width
TDO Delay from TCK Low
System Outputs Delay After TCK Low
SYSTEM
OUTPUTS
SYSTEM
INPUTS
TMS
TDI
TDO
TCK
PRELIMINARY TECHNICAL DATA
t
Figure 27. IEEE 11499.1 JTAG Test Access Port
DTDO
Rev. PrA | Page 35 of 44 | January 2004
1
1
2
t
TCK
t
t
SSYS
DSYS
t
STAP
t
HTAP
t
HSYS
Min
20
5
7
8
4t
6
CK
Max
7
10
ADSP-21267
Unit
ns
ns
ns
ns
ns
ns
ns
ns