ADSP-BF512KSWZ-3 Analog Devices Inc, ADSP-BF512KSWZ-3 Datasheet - Page 32

• Manufacturer Part Number: ADSP-BF512KSWZ-3
• Description: Low-Power Blackfin Processor
• Manufacturer: Analog Devices Inc
• Series: Blackfin®r
• Type: Fixed Pointr

Specifications of ADSP-BF512KSWZ-3

• Interface: I²C, PPI, SPI, SPORT, UART/USART
• Clock Rate: 300MHz
• Non-volatile Memory: External
• 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
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ADSP-BF512/BF512F, BF514/BF514F, BF516/BF516F, BF518/BF518F
External DMA Request Timing
Table 29
operations.
Table 29. External DMA Request Timing
1
Parameter
Timing PRequirements
t
t
t
t
Because the external DMA control pins are part of the V
DR
DH
DMARACT
DMARINACT
V
DDMEM
are NOT equal may require level shifting logic for correct operation.
and
Figure 13
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
1
DDEXT
t
DMARACT
power domain and the CLKOUT signal is part of the V
Rev. B | Page 32 of 68 | January 2011
Figure 13. 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
DDMEM
power domain, systems in which V
Min
7.2
0
t
1.75 × t
SCLK
2.5 V/3.3 V Nominal
+ 1
V
SCLK
DDMEM
/V
Max
DDEXT
DDEXT
Unit
ns
ns
ns
ns
and