ADSP-2185LKST-160 Analog Devices Inc, ADSP-2185LKST-160 Datasheet - Page 19

• Manufacturer Part Number: ADSP-2185LKST-160
• Description: IC DSP CONTROLLER 16BIT 100LQFP
• Manufacturer: Analog Devices Inc
• Series: ADSP-21xxr
• Type: Fixed Pointr

Specifications of ADSP-2185LKST-160

• Rohs Status: RoHS non-compliant
• Interface: Host Interface, Serial Port
• Clock Rate: 40MHz
• Non-volatile Memory: External
• On-chip Ram: 80kB
• Voltage - I/o: 3.30V
• Voltage - Core: 3.30V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 100-LQFP
• Device Core Size: 16b
• Format: Fixed Point
• Clock Freq (max): 40MHz
• Mips: 40
• Device Input Clock Speed: 40MHz
• Ram Size: 80KB
• Program Memory Size: 48KB
• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (min): 3V
• Operating Supply Voltage (max): 3.6V
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 100
• Package Type: LQFP
• Lead Free Status / Rohs Status: Not Compliant

TERMINATING UNUSED PINS
Table 12
unused pins.
Table 12. Unused Pin Terminations
Pin Name
XTAL
CLKOUT
A13–1 or
IAD12–0
A0
D23–8
D7 or
D6 or
D5 or
D4 or
D3 or
D2–0 or
PMS
DMS
BMS
IOMS
CMS
RD
WR
BR
BG
BGH
IRQ2/PF7
IRQL1/PF6
IRQL0/PF5
IRQE/PF4
PWD
SCLK0
RFS0
DR0
TFS0
DT0
IWR
IRD
IAL
IS
IACK
IAD15–13
shows the recommendations for terminating
1
I/O
3-State (Z)
O
O
O (Z)
I/O (Z)
O (Z)
I/O (Z)
I/O (Z)
I
I/O (Z)
I
I/O (Z)
I
I/O (Z)
I
I/O (Z)
I/O (Z)
I/O (Z)
O (Z)
O (Z)
O (Z)
O (Z)
O (Z)
O (Z)
O (Z)
I
O (Z)
O
I/O (Z)
I/O (Z)
I/O (Z)
I/O (Z)
I
I/O
I/O
I
I/O
O
2
Reset
State
O
O
High-Z
High-Z
High-Z
High-Z
High-Z
I
High-Z
I
High-Z
I
High-Z
I
High-Z
High-Z
High-Z
O
O
O
O
O
O
O
I
O
O
I
I
I
I
I
I
I
I
I
O
ADSP-2184L/ADSP-2185L/ADSP-2186L/ADSP-2187L
Rev. C | Page 19 of 48 | January 2008
High-Z
BR, EBR
IS
BR, EBR
BR, EBR
BR, EBR
BR, EBR
BR, EBR
BR, EBR
BR, EBR
BR, EBR
IS
BR, EBR
BR, EBR
BR, EBR
BR, EBR
BR, EBR
BR, EBR
BR, EBR
EE
3
Caused By
Unused Configuration
Float
Float
Float
Float
Float
Float
Float
High (Inactive)
Float
High (Inactive)
Float
Low (Inactive)
Float
High (Inactive)
Float
Float
Float
Float
Float
Float
Float
Float
Float
Float
Float
High (Inactive)
Float
Float
Input = High (Inactive) or Program as Output, Set to
1, Let Float
Input = High (Inactive) or Program as Output, Set to
1, Let Float
Input = High (Inactive) or Program as Output, Set to
1, Let Float
Input = High (Inactive) or Program as Output, Set to
1, Let Float
High
Input = High or Low, Output = Float
High or Low
High or Low
High or Low
Float
4
5
5
5
5