ADSP-21992BST Analog Devices Inc, ADSP-21992BST Datasheet - Page 46

• Manufacturer Part Number: ADSP-21992BST
• Description: IC DSP CONTROLLER 16BIT 176LQFP
• Manufacturer: Analog Devices Inc
• Series: ADSP-21xxr
• Type: Fixed Pointr

Specifications of ADSP-21992BST

• Rohs Status: RoHS non-compliant
• Interface: SPI, SSP
• Clock Rate: 160MHz
• Non-volatile Memory: External
• On-chip Ram: 128kB
• Voltage - I/o: 3.30V
• Voltage - Core: 2.50V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 176-LQFP

ADSP-21992
CPHA = 0
CPHA = 1
(CPOL = 1)
(CPOL = 0)
(OUTPUT)
(OUTPUT)
(OUTPUT)
(OUTPUT)
(OUTPUT)
(INPUT)
SPISEL
(INPUT)
SCLK
SCLK
MISO
MISO
MOSI
MOSI
t
SSPID
t
SDSCIM
t
SPICLM
t
SSPID
VALID
MSB
t
Figure 16. Serial Peripheral Interface (SPI) Port—Master Timing
SPICHM
MSB
VALID
MSB
t
HSPID
t
SPICLM
t
MSB
DDSPID
Rev. A | Page 46 of 60 | August 2007
t
HSPID
t
DDSPID
t
SPICHM
t
HDSPID
VALID
t
t
LSB
SPICLK
SSPID
t
HDSPID
VALID
LSB
LSB
t
HDSM
LSB
t
HSPID
t
SPITDM