ADSP-2101BS-100 Analog Devices Inc, ADSP-2101BS-100 Datasheet - Page 31

• Manufacturer Part Number: ADSP-2101BS-100
• Description: IC DSP CONTROLLER 16BIT 80PQFP
• Manufacturer: Analog Devices Inc
• Series: ADSP-21xxr
• Type: Fixed Pointr

Specifications of ADSP-2101BS-100

• Rohs Status: RoHS non-compliant
• Interface: Synchronous Serial Port (SSP)
• Clock Rate: 25MHz
• Non-volatile Memory: External
• On-chip Ram: 6kB
• Voltage - I/o: 5.00V
• Voltage - Core: 5.00V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 80-MQFP, 80-PQFP
• Device Core Size: 16b
• Architecture: Enhanced Harvard
• Format: Fixed Point
• Clock Freq (max): 25MHz
• Mips: 25
• Device Input Clock Speed: 25MHz
• Ram Size: 3KB
• Program Memory Size: Not RequiredKB
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 80
• Package Type: PQFP
• Lead Free Status / Rohs Status: Not Compliant

REV. B
TIMING PARAMETERS (ADSP-2101/2105/2111/2115/2161/2163)
INTERRUPTS & FLAGS
Parameter
Timing Requirement:
t
t
t
Switching Characteristic:
t
t
NOTES
1
2
3
4
5
IFS
IFS
IFH
FOH
FOD
IRQx=IRQ0, IRQ1, and IRQ2.
If IRQx and FI inputs meet t
Edge-sensitive interrupts require pulse widths greater than 10 ns. Level-sensitive interrupts must be held low until serviced.
t
t
during the following cycle. (Refer to the “Interrupt Controller” section in Chapter 3, Program Control, of the ADSP-2100 Family User’s Manual for further
information on interrupt servicing.)
devices).
IFS
FOH
(min) = 0.25t
(min) = –5 ns for ADSP-2111TG-52 and ADSP-2111TG/883B-52 (Extended Temperature Range devices).
IRQx
CLKOUT Low
IRQx
CLKOUT Low (ADSP-2111)
IRQx
High
FO Hold after CLKOUT High
FO Delay from CLKOUT High
2, 3
1
1
1
or FI Hold after CLKOUT 19.2
or FI Setup before
or FI Setup before
CK
+ 20 ns for ADSP-2101TG-50, ADSP-2101TG/883B-50, ADSP-2111TG-52, and ADSP-2111TG/883B-52 ( Extended Temperature Range
2, 3
IFS
OUTPUT(S)
and t
CLKOUT
IRQx
FLAG
IFH
FI
setup/hold requirements, they will be recognized during the current clock cycle; otherwise they will be recognized
2, 3
5
13 MHz
Min
34.2
37.2
0
Max Min
15
t
FOH
Figure 30. Interrupts & Flags
13.824 MHz
33.1
36.1
18.1
0
t
FOD
t
IFH
Max Min Max
15
–31–
t
IFS
16.67 MHz
30
33
15
0
15
20 MHz
Min Max Min Max Min
27.5
30.5
12.5
0
15
25 MHz
25
28
10
0
12
Frequency
Dependency
0.25t
0.25t
0.25t
0
ADSP-21xx
CK
CK
CK
+ 15
+ 18
4
4
Max Unit
ns
ns
ns
ns
ns