ADSP-2105BP-80 Analog Devices Inc, ADSP-2105BP-80 Datasheet - Page 9

• Manufacturer Part Number: ADSP-2105BP-80
• Description: IC,DSP,16-BIT,CMOS,LDCC,68PIN,PLASTIC
• Manufacturer: Analog Devices Inc
• Series: ADSP-21xxr
• Type: Fixed Pointr

Specifications of ADSP-2105BP-80

• Rohs Status: RoHS non-compliant
• Interface: Synchronous Serial Port (SSP)
• Clock Rate: 20MHz
• Non-volatile Memory: External
• On-chip Ram: 3kB
• Voltage - I/o: 5.00V
• Voltage - Core: 5.00V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 68-PLCC
• Package: 68PLCC
• Numeric And Arithmetic Format: Fixed-Point
• Maximum Speed: 20 MHz
• Ram Size: 1.5 KB
• Device Million Instructions Per Second: 20 MIPS

REV. B
1x CLOCK
1x CLOCK
CRYSTAL
CRYSTAL
or
or
(OPTIONAL)
(OPTIONAL)
(OPTIONAL)
SERIAL
DEVICE
DEVICE
DEVICE
SERIAL
SERIAL
THE TWO MSBs OF THE DATA BUS (D
BOOT MEMORY EPROM ADDRESS. THIS IS ONLY REQUIRED FOR THE 27256 AND 27512.
THE TWO MSBs OF THE DATA BUS (D
BOOT MEMORY EPROM ADDRESS. THIS IS ONLY REQUIRED FOR THE 27256 AND 27512.
Figure 3. ADSP-2101/ADSP-2103/ADSP-2115 System
CLKIN
XTAL
CLKOUT
RESET
IRQ2
BR
BG
MMAP
SCLK1
RFS1 or IRQ0
TFS1 or IRQ1
DT1 or FO
DR1 or FI
CLKIN
XTAL
CLKOUT
RESET
IRQ2
BR
BG
MMAP
SCLK1
RFS1 or IRQ0
TFS1 or IRQ1
DT1 or FO
DR1 or FI
SCLK0
RFS0
TFS0
DT0
DR0
SPORT 1
or
or
SPORT 1
SPORT 0
ADSP-2101
ADSP-2105
ADSP-2103
ADSP-2115
Figure 4. ADSP-2105 System
ADDR
DATA
ADDR
DATA
BMS
DMS
BMS
PMS
DMS
23-22
PMS
23-22
23-0
WR
13-0
RD
23-0
WR
13-0
RD
) ARE USED TO SUPPLY THE TWO MSBs OF THE
) ARE USED TO SUPPLY THE TWO MSBs OF THE
14
14
24
24
–9–
D
D
A
A
23-22
23-22
13-0
13-0
D
A
D
D
A
D
A
D
A
D
15-8
13-0
23-8
15-8
13-0
23-0
13-0
23-8
13-0
23-0
ADDR
OE
CS
ADDR
DATA
OE
WE
CS
DATA
DATA
ADDR
OE
WE
CS
ADDR
ADDR
DATA
OE
CS
DATA
OE
WE
CS
ADDR
DATA
OE
WE
CS
PERIPHERALS
PERIPHERALS
MEMORY
PROGRAM
MEMORY
MEMORY
PROGRAM
MEMORY
MEMORY
(OPTIONAL)
(OPTIONAL)
(OPTIONAL)
MEMORY
(OPTIONAL)
BOOT
BOOT
DATA
DATA
e.g. EPROM
e.g. EPROM
&
&
27128
27256
27512
27128
27256
27512
2764
2764
ADSP-21xx