ADSP-21992BSTZ Analog Devices Inc, ADSP-21992BSTZ Datasheet - Page 45

• 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

Serial Peripheral Interface Port—Master Timing
Table 24
Table 24. Serial Peripheral Interface (SPI) Port—Master Timing
Parameter
Timing Requirements
t
t
Switching Characteristics
t
t
t
t
t
t
t
t
SSPID
HSPID
SDSCIM
SPICHM
SPICLM
SPICLK
HDSM
SPITDM
DDSPID
HDSPID
and
Figure 16
Data Input Valid to SCLK Edge (Data Input Setup)
SCLK Sampling Edge to Data Input Invalid (Data In Hold)
SPISEL Low to First SCLK Edge
Serial Clock High Period
Serial Clock Low Period
Serial Clock Period
Last SCLK Edge to SPISEL High
Sequential Transfer Delay
SCLK Edge to Data Output Valid (Data Out Delay)
SCLK Edge to Data Output Invalid (Data Out Hold)
describe SPI port master operations.
Rev. A | Page 45 of 60 | August 2007
Min
8
1
2t
2t
2t
4t
2t
2t
0
0
HCLK
HCLK
HCLK
HCLK
HCLK
HCLK
–3
–3
–3
–1
–3
–2
Max
6
5
ADSP-21992
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns