ADSP-BF512KSWZ-3 Analog Devices Inc, ADSP-BF512KSWZ-3 Datasheet - Page 42

• 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
Serial Peripheral Interface (SPI) Port—Slave Timing
Table 38
Table 38. Serial Peripheral Interface (SPI) Port—Slave Timing
Universal Asynchronous Receiver-Transmitter
(UART) Ports—Receive and Transmit Timing
The UART ports receive and transmit operations are described
in the ADSP-BF51x Hardware Reference Manual.
Parameter
Timing Requirements
t
t
t
t
t
t
t
Switching Characteristics
t
t
t
t
t
SPICHS
SPICLS
SPICLK
HDS
SPITDS
SDSCI
SSPID
DSOE
DSDHI
DDSPID
HDSPID
HSPID
and
CPHA = 1
CPHA = 0
Figure 26
Serial Clock High Period
Serial Clock Low Period
Serial Clock Period
Last SCK Edge to SPISS Not Asserted
Sequential Transfer Delay
SPISS Assertion to First SCK Edge
Data Input Valid to SCK Edge (Data Input Setup)
SCK Sampling Edge to Data Input Invalid
SPISS Assertion to Data Out Active
SPISS Deassertion to Data High Impedance
SCK Edge to Data Out Valid (Data Out Delay)
SCK Edge to Data Out Invalid (Data Out Hold)
(OUTPUT)
(OUTPUT)
SPIxMISO
SPIxMOSI
SPIxMISO
SPIxMOSI
SPIxSCK
(INPUT)
(INPUT)
(INPUT)
(INPUT)
t
DSOE
describe SPI port slave operations.
t
DSOE
t
SDSCI
t
SSPID
t
DDSPID
t
SPICLS
Figure 26. Serial Peripheral Interface (SPI) Port—Slave Timing
t
HDSPID
Rev. B | Page 42 of 68 | January 2011
t
SPICHS
t
HDSPID
t
HSPID
t
DDSPID
Min
2 × t
2 × t
4 × t
2 × t
2 × t
2 × t
1.6
2
0
0
0
t
SSPID
SCLK
SCLK
SCLK
SCLK
SCLK
SCLK
1.8V Nominal
t
–1.5
–1.5
–1.5
–1.5
DDSPID
–1.5
–1.5
V
t
SPICLK
DDEXT
Max
12
11
10
t
HSPID
Min
2 × t
2 × t
4 × t
2 × t
2 × t
2 × t
1.6
1.6
0
0
0
t
HDS
t
t
DSDHI
DSDHI
2.5 V/3.3V Nominal
SCLK
SCLK
SCLK
SCLK
SCLK
SCLK
–1.5
–1.5
–1.5
–1.5
–1.5
–1.5
V
t
SPITDS
DDEXT
Max
10.3
9
10
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns