ADSP-21992BSTZ Analog Devices Inc, ADSP-21992BSTZ Datasheet - Page 49

• Manufacturer Part Number: ADSP-21992BSTZ
• Description: Mixed Signal DSP W/32K DM RAM& 16K PMRAM
• Manufacturer: Analog Devices Inc
• Series: ADSP-21xxr
• Type: Fixed Pointr

Specifications of ADSP-21992BSTZ

• Interface: SPI, SSP
• Clock Rate: 160MHz
• Non-volatile Memory: External
• On-chip Ram: 128kB
• Voltage - I/o: 3.30V
• Voltage - Core: 2.50V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 176-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

JTAG Test and Emulation Port Timing
Table 26
Table 26. JTAG Port Timing
1
2
3
System outputs = DATA15–0, ADDR21–0, MS3–0, RD, WR, ACK, CLKOUT, BG, PF15–0, DT, TCLK, RCLK, TFS, RFS, BMS.
50 MHz maximum.
System inputs = DATA15–0, ADDR21–0, RD, WR, ACK, BR, BG, PF15–0, DR, TCLK, RCLK, TFS, RFS, CLKOUT, RESET.
Parameter
Timing Requirements
t
t
t
t
t
t
Switching Characteristics
t
t
TCK
STAP
HTAP
SSYS
HSYS
TRSTW
DTDO
DSYS
and
OUTPUTS
Figure 18
SYSTEM
SYSTEM
INPUTS
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
TCK
TMS
TDO
TDI
describe JTAG port operations.
2
t
DTDO
t
t
DSYS
STAP
a
Rev. A | Page 49 of 60 | August 2007
t
1
3
TCK
Figure 18. JTAG Port Timing
t
HTAP
t
SSYS
t
HSYS
Min
20
4t
0
TCK
Max
4
4
5
8
22
4
ADSP-21992
Unit
ns
ns
ns
ns
ns
ns
ns
ns