ADSP-21XX1111 Datasheet, PDF (9/64 Pages) Analog Devices – ADSP-2100 Family DSP Microcomputers

ADSP-21xx
1x CLOCK
or
CRYSTAL
SERIAL
DEVICE
(OPTIONAL)
SERIAL
DEVICE
(OPTIONAL)
ADSP-2101
or ADSP-2103
or ADSP-2115
14
ADDR_13-0
CLKIN
XTAL
CLKOUT
RESET
24
DATA_23-0
IRQ2
BMS
BR
BG
MMAP
SPORT 1
SCLK1
RFS1 or IRQ0
TFS1 or IRQ1
DT1 or FO
DR1 or FI
SPORT 0
SCLK0
RFS0
TFS0
DT0
DR0
RD
WR
PMS
DMS
A_13-0
D23-22
D_15-8
A_13-0
D_23-0
A_13-0
D_23-8
ADDR
DATA
OE
CS
BOOT
MEMORY
e.g. EPROM
2764
27128
27256
27512
ADDR
DATA
OE
WE
CS
PROGRAM
MEMORY
(OPTIONAL)
ADDR
DATA
MEMORY
DATA
&
OE PERIPHERALS
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
1x CLOCK
or
CRYSTAL
SERIAL
DEVICE
(OPTIONAL)
ADSP-2105
CLKIN
14
ADDR_13-0
XTAL
CLKOUT
RESET
IRQ2
BR
24
DATA_23-0
BMS
BG
MMAP
SPORT 1
RD
SCLK1
WR
RFS1 or IRQ0
TFS1 or IRQ1
DT1 or FO
DR1 or FI
PMS
DMS
A_13-0
D23-22
D_15-8
A_13-0
D_23-0
A_13-0
D_23-8
ADDR
DATA
OE
CS
BOOT
MEMORY
e.g. EPROM
2764
27128
27256
27512
ADDR
DATA
OE
WE
CS
PROGRAM
MEMORY
(OPTIONAL)
ADDR
DATA
MEMORY
DATA
&
OE PERIPHERALS
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–