ADSP-BF514KSWZ-4F4 Analog Devices Inc, ADSP-BF514KSWZ-4F4 Datasheet - Page 37

• 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

External DMA Request Timing
Table 32
operations.
Table 32. External DMA Request Timing
Parameter
Timing PRequirements
t
t
t
t
DR
DH
DMARACT
DMARINACT
ADSP-BF512/BF512F, BF514/BF514F, BF516/BF516F, BF518/BF518F
and
Figure 14
DMARx Asserted to CLKOUT High Setup
CLKOUT High to DMARx Deasserted Hold Time
DMARx Active Pulse Width
DMARx Inactive Pulse Width
(ACTIVE HIGH)
(ACTIVE LOW)
DMAR0/1
CLKOUT
describe the External DMA Request
t
DS
t
DMARACT
Rev. A | Page 37 of 72 | August 2010
Figure 14. External DMA Request Timing
t
DH
Min
9
0
t
1.75 × t
SCLK
t
DMARINACT
+ 1
1.8 V Nominal
V
SCLK
DDMEM
/V
Max
DDEXT
Min
7.2
0
t
1.75 × t
SCLK
+ 1
2.5/3.3 V Nominal
V
SCLK
DDMEM
/V
Max
DDEXT
Unit
ns
ns
ns
ns