ADSP-2104BP-80 Analog Devices Inc, ADSP-2104BP-80 Datasheet - Page 22

• Manufacturer Part Number: ADSP-2104BP-80
• Description: IC DSP CONTROLLER 16BIT 68PLCC
• Manufacturer: Analog Devices Inc
• Series: ADSP-21xxr
• Type: Fixed Pointr

Specifications of ADSP-2104BP-80

• Rohs Status: RoHS non-compliant
• Interface: Synchronous Serial Port (SSP)
• Clock Rate: 20MHz
• Non-volatile Memory: External
• On-chip Ram: 1.5kB
• Voltage - I/o: 5.00V
• Voltage - Core: 5.00V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 68-PLCC
• Device Core Size: 16b
• Architecture: Enhanced Harvard
• Format: Fixed Point
• Clock Freq (max): 20MHz
• Mips: 20
• Device Input Clock Speed: 20MHz
• Ram Size: 512Byte
• Program Memory Size: 8KB
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 68
• Package Type: PLCC
• Lead Free Status / Rohs Status: Not Compliant

ADSP-2104/ADSP-2109
TIMING PARAMETERS (ADSP-2104/ADSP-2109)
INTERRUPTS & FLAGS
Parameter
Timing Requirement:
t
t
Switching Characteristic:
t
t
NOTES
1
2
3
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.
IFS
IFH
FOH
FOD
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.)
IRQx
CLKOUT Low
IRQx
High
FO Hold after CLKOUT High
FO Delay from CLKOUT High
2, 3
1
1
or FI Hold after CLKOUT
or FI Setup before
IFS
2, 3
and t
IFH
setup/hold requirements, they will be recognized during the current clock cycle; otherwise they will be recognized
OUTPUT(S)
CLKOUT
IRQx
FLAG
FI
Figure 20. Interrupts & Flags
Min
27.5
12.5
0
t
FOH
20 MHz
t
FOD
–22–
t
I F H
Max
15
t
I F S
0.25t
0.25t
0
Min
CK
CK
Dependency
Frequency
+ 15
Max
REV. 0
Unit
ns
ns
ns
ns