ADSP-21261SKBC-150 Analog Devices Inc, ADSP-21261SKBC-150 Datasheet - Page 30

• Manufacturer Part Number: ADSP-21261SKBC-150
• Description: 150 MHz, 32Bit DSP Processor.
• Manufacturer: Analog Devices Inc
• Series: SHARC®r
• Type: Fixed/Floating Pointr

Specifications of ADSP-21261SKBC-150

• Interface: DAI, SPI
• Clock Rate: 150MHz
• Non-volatile Memory: ROM (384 kB)
• On-chip Ram: 128kB
• Voltage - I/o: 3.30V
• Voltage - Core: 1.20V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 136-CSPBGA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

ADSP-21261
Table 25. Serial Ports—Enable and Three-State
1
Table 26. Serial Ports—External Late Frame Sync
1
1
Parameter
Switching Characteristics
t
t
t
Parameter
Switching Characteristics
t
t
Referenced to drive edge.
The t
This figure reflects changes made to support left-justified sample pair mode.
DDTEN
DDTTE
DDTIN
DDTLFSE
DDTENFS
DDTLFSE
and t
DDTENFS
Data Enable from External Transmit SCLK
Data Disable from External Transmit SCLK
Data Enable from Internal Transmit SCLK
Data Delay from Late External Transmit FS or External Receive FS
with MCE = 1, MFD = 0
Data Enable for MCE = 1, MFD = 0
parameters apply to left-justified sample pair mode as well as DSP serial mode, and MCE = 1, MFD = 0.
(DATA CHANNEL A/B)
(DATA CHANNEL A/B)
NOTE: SERIAL PORT SIGNALS (SCLK, FS,
USING THE SRU. THE TIMING SPECIFICATIONS PROVIDED HERE ARE VALID AT THE DAI_P[20:1] PINS.
DAI_P20–1
DAI_P20–1
DAI_P20–1
DAI_P20–1
DAI_P20–1
DAI_P20–1
(SCLK)
(SCLK)
(FS)
(FS)
1
DRIVE
DRIVE
t
DDTLFSE
t
DDTLFSE
1
Figure 21. External Late Frame Sync
Rev. 0 | Page 30 of 44 | March 2006
t
EXTERNAL RECEIVE FS WITH MCE = 1, MFD = 0
t
SFSE/I
SFSE/I
t
LATE EXTERNAL TRANSMIT FS
DDTENFS
t
DDTENFS
1
1
1
SAMPLE
SAMPLE
1ST BIT
DATA CHANNEL
1ST BIT
t
HDTE/I
t
HDTE/I
DRIVE
DRIVE
t
A/B) ARE ROUTED TO THE DAI_P[20:1] PINS
HFSE/I
t
HFSE/I
1
Min
2
–1
Min
0.5
t
DDTE/I
t
DDTE/I
2ND BIT
2ND BIT
Max
7
Max
7
Unit
ns
ns
ns
Unit
ns
ns