ADSP-BF514KSWZ-4F4 Analog Devices Inc, ADSP-BF514KSWZ-4F4 Datasheet - Page 31

• Manufacturer Part Number: ADSP-BF514KSWZ-4F4
• Description: Low-Pwr BF Proc W/flash & Cnsmr Conctvty
• Manufacturer: Analog Devices Inc
• Series: Blackfin®r
• Type: Fixed Pointr

Specifications of ADSP-BF514KSWZ-4F4

• Interface: I²C, PPI, RSI, SPI, SPORT, UART/USART
• Clock Rate: 400MHz
• Non-volatile Memory: FLASH (4Mbit)
• On-chip Ram: 116kB
• Voltage - I/o: 1.8V, 2.5V, 3.3V
• Voltage - Core: 1.30V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 176-LQFP Exposed Pad, 176-eLQFP, 176-HLQFP
• Architecture: Modified Harvard
• Format: Fixed Point
• Clock Freq (max): 400MHz
• Device Input Clock Speed: 400MHz
• Ram Size: 48KB
• Program Memory Size: 1024KB
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 176
• Package Type: LQFP EP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

SDRAM Interface Timing
Table 28. SDRAM Interface Timing
1
2
Parameter
Timing Requirements
t
t
Switching Characteristics
t
t
t
t
t
t
t
The t
Command pins/balls include: SRAS, SCAS, SWE, SDQM, SMS, SA10, SCKE.
SSDAT
HSDAT
SCLK
SCLKH
SCLKL
DCAD
HCAD
DSDAT
ENSDAT
SCLK
value is the inverse of the f
ADSP-BF512/BF512F, BF514/BF514F, BF516/BF516F, BF518/BF518F
Data Setup Before CLKOUT
Data Hold After CLKOUT
CLKOUT Period
CLKOUT Width High
CLKOUT Width Low
Command, Address, Data Delay After CLKOUT
Command, Address, Data Hold After CLKOUT
Data Disable After CLKOUT
Data Enable After CLKOUT
DATA (OUT)
COMMAND,
ADDRESS
DATA (IN)
CLKOUT
(OUT)
1
SCLK
specification discussed in
NOTE: COMMAND =
t
SSDAT
Rev. B | Page 31 of 68 | January 2011
Table 11 on Page
Figure 12. SDRAM Interface Timing
2
2
t
DCAD
,
t
HSDAT
t
SCLK
21. Package type and reduced supply voltages affect the best-case value listed here.
,
t
ENSDAT
, SDQM,
12.5
Min
1.5
1.3
5
5
1
0
1.8V Nominal
t
DCAD
t
, SA10, SCKE.
HCAD
V
DDMEM
t
SCLKL
Max
t
5.5
HCAD
5
t
SCLKH
t
DSDAT
2.5 V/3.3V Nominal
Min
1.5
0.8
10
4
4
1
0
V
DDMEM
Max
4
5
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns