ADSP-2104BP-80 Analog Devices Inc, ADSP-2104BP-80 Datasheet - Page 25

• 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

REV. 0
TIMING PARAMETERS (ADSP-2104/ADSP-2109)
MEMORY WRITE
Parameter
Switching Characteristic:
t
t
t
t
t
t
t
t
t
t
Parameter
Switching Characteristic:
t
t
t
t
t
t
t
t
t
t
WRA
DW
DH
WP
WDE
ASW
DDR
CWR
AW
WWR
DW
DH
WP
WDE
ASW
DDR
CWR
AW
WRA
WWR
Data Setup before WR High
Data Hold after WR High
WR Pulse Width
WR Low to Data Enabled
A0–A13, DMS, PMS Setup before WR Low
Data Disable before WR or RD Low
CLKOUT High to WR Low
A0–A13, DMS, PMS, Setup before WR
Deasserted
A0–A13, DMS, PMS Hold after WR
Deasserted
WR High to RD or WR Low
Data Setup before WR High
Data Hold after WR High
WR Pulse Width
WR Low to Data Enabled
A0–A13, DMS, PMS Setup before
WR Low
Data Disable before WR or RD Low
CLKOUT High to WR Low
A0–A13, DMS, PMS, Setup before WR
Deasserted
A0–A13, DMS, PMS Hold after WR
Deasserted
WR High to RD or WR Low
DMS, PMS
CLKOUT
A0 – A13
WR
RD
D
Figure 23. Memory Write
t
CWR
t
ASW
–25–
t
WDE
t
AW
0.5t
0
0.75t
0.25t
Min
0.5t
0.25t
0.25t
0.25t
0.25t
0.5t
Min
12
2.5
17
0
2.5
2.5
7.5
15.5
3.5
20
Frequency Dependency
t
WP
(CLKIN 20 MHz)
CK
CK
CK
CK
CK
CK
CK
CK
CK
t
DW
– 13 + w
– 8 + w
– 5
– 10
– 10
– 5
– 22 + w
– 9
– 10
t
20 MHz
WRA
t
DH
ADSP-2104/ADSP-2109
t
WWR
Max
0.25t
t
DDR
CK
Max
22.5
+ 10
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns