ADSP-21371KSWZ-2B Analog Devices Inc, ADSP-21371KSWZ-2B Datasheet - Page 43

• Manufacturer Part Number: ADSP-21371KSWZ-2B
• Description: IC DSP 32BIT 266MHZ 208-LQFP
• Manufacturer: Analog Devices Inc
• Series: SHARC®r
• Type: Floating Pointr

Specifications of ADSP-21371KSWZ-2B

• Package / Case: 208-LQFP
• Interface: DAI, DPI
• Operating Temperature: 0°C ~ 70°C
• Clock Rate: 266MHz
• Non-volatile Memory: ROM (512 kB)
• On-chip Ram: 128kB
• Voltage - I/o: 3.30V
• Voltage - Core: 1.20V
• Mounting Type: Surface Mount
• Svhc: No SVHC (18-Jun-2010)
• Base Number: 21371
• Core Frequency Typ: 266MHz
• Dsp Type: Floating Point
• Mmac: 532
• No. Of Pins: 208
• Interface Type: SPI, UART
• Rohs Compliant: Yes
• Operating Temperature Range: 0°C To +70°C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TWI Controller Timing
Table 40
interface. Input signals (SCL, SDA) are routed to the
DPI_P14–1 pins using the SRU. Therefore, the timing specifica-
tions provided below are valid at the DPI_P14–1 pins.
Table 40. Characteristics of the SDA and SCL Bus Lines for F/S-Mode TWI Bus Devices
1
Parameter
f
t
t
t
t
t
t
t
t
t
All values referred to V
SCL
HDSTA
LOW
HIGH
SUSTA
HDDAT
SUDAT
SUSTO
BUF
SP
and
Figure 33
SCL Clock Frequency
Hold Time (repeated) Start Condition. After This
Period, the First Clock Pulse is Generated.
Low Period of the SCL Clock
High Period of the SCL Clock
Setup Time for a Repeated Start Condition
Data Hold Time for TWI-Bus Devices
Data Setup Time
Setup Time for Stop Condition
Bus Free Time Between a Stop and Start Condition
Pulse Width of Spikes Suppressed By the Input Filter n/a
IHmin
provide timing information for the TWI
DPI_P14–1
DPI_P14–1
and V
SDA
SCL
ILmax
levels.
S
For more information, see Electrical Characteristics on page 16.
t
LOW
t
HDSTA
Figure 33. Fast and Standard Mode Timing on the TWI Bus
t
HDDAT
Rev. C | Page 43 of 52 | September 2009
t
HIGH
t
SUDAT
t
SUSTA
Min
0
4.0
4.7
4.0
4.7
0
250
4.0
4.7
Sr
Standard Mode
t
HDSTA
Max
100
n/a
1
t
SUSTO
t
ADSP-21371/ADSP-21375
SP
Min
0
0.6
1.3
0.6
0.6
0
100
0.6
1.3
0
P
t
BUF
Fast Mode
S
Max
400
50
Unit
kHz
μs
μs
μs
μs
μs
μs
μs
ns
ns