ADSP-BF538BBCZ-4F4 Analog Devices Inc, ADSP-BF538BBCZ-4F4 Datasheet - Page 33

• Manufacturer Part Number: ADSP-BF538BBCZ-4F4
• Description: IC, FLOAT-PT DSP, 16BIT, 400MHZ, BGA-316
• Manufacturer: Analog Devices Inc
• Series: Blackfinr
• Type: Fixed Pointr

Specifications of ADSP-BF538BBCZ-4F4

• No. Of Bits: 16 Bit
• Frequency: 400MHz
• Supply Voltage: 1.2V
• Embedded Interface Type: CAN, I2C, PPI, SPI, TWI, UART
• No. Of I/o's: 54
• Flash Memory Size: 512KB
• Interface: CAN, SPI, SSP, TWI, UART
• Clock Rate: 400MHz
• Non-volatile Memory: FLASH (512 kB)
• On-chip Ram: 148kB
• Voltage - I/o: 3.00V, 3.30V
• Voltage - Core: 1.20V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 316-CSPBGA
• Device Core Size: 16b
• Architecture: Modified Harvard
• Format: Fixed Point
• Clock Freq (max): 400MHz
• Mips: 400
• Device Input Clock Speed: 400MHz
• Ram Size: 32KB
• Program Memory Size: 512KB
• Operating Supply Voltage (typ): 1.2/2.5/3.3V
• Operating Supply Voltage (min): 0.8/2.25/2.7V
• Operating Supply Voltage (max): 1.32/3.6V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 316
• Package Type: CSPBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: ADZS-BFAUDIO-EZEXT - BOARD EVAL AUDIO BLACKFIN
• Lead Free Status / Rohs Status: Compliant

SDRAM Interface Timing
Table 27. SDRAM Interface Timing
1
Parameter
Timing Requirements
t
t
Switching Characteristics
t
t
t
t
t
t
t
Command pins include: SRAS, SCAS, SWE, SDQM, SMS, SA10, SCKE.
SSDAT
HSDAT
SCLK
SCLKH
SCLKL
DCAD
HCAD
DSDAT
ENSDAT
DATA Setup Before CLKOUT
DATA Hold After CLKOUT
CLKOUT Period
CLKOUT Width High
CLKOUT Width Low
Command, ADDR, Data Delay After CLKOUT
Command, ADDR, Data Hold After CLKOUT
Data Disable After CLKOUT
Data Enable After CLKOUT
DATA (OUT)
COMMAND,
ADDRESS
DATA (IN)
CLKOUT
(OUT)
t
NOTE: COMMAND = SRAS, SCAS, SWE, SDQM, SMS, SA10, SCKE.
SSDAT
Rev. D | Page 33 of 56 | July 2010
Figure 16. SDRAM Interface Timing
1
1
t
DCAD
t
HSDAT
t
SCLK
t
ENSDAT
t
t
DCAD
HCAD
Min
2.1
0.8
7.5
2.5
2.5
0.8
1.0
t
ADSP-BF538/ADSP-BF538F
SCLKL
t
HCAD
t
SCLKH
t
DSDAT
Max
6.0
6.0
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns