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