dsp56001a Freescale Semiconductor, Inc, dsp56001a Datasheet - Page 89

• Manufacturer Part Number: dsp56001a
• Description: 24-bit Digital Signal Processor
• Manufacturer: Freescale Semiconductor, Inc

Figure 4-6 shows the DSP56001A connected to the bus of an IBM-PC computer. This circuit is
complete and does not require external ROM or RAM to load and execute code from the PC. The
PAL equations and other details of this circuit are available in the application report entitled
“DSP56001 Interface Techniques and Examples” (APR11/D).
MOTOROLA
Interrupt
Note:
External
Sources
B30
A27
A26
A25
A24
A23
A22
A17
A11
B14
B13
A02
A03
A04
A05
A06
A07
A08
A09
A31
A30
A29
1. Connector is J1 of ISA Bus.
2. All series resistors are 15 K
Figure 4-6 DSP56001A-to-ISA Bus Interface Schematic
IRQA
IRQB
OSC
A04
A05
A06
A07
A08
A09
A14
AEN
IOR
IOW
D07
D06
D05
D04
D03
D02
D01
D00
A00
A01
A02
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
10
11
11
12
13
14
15
16
17
18
1
2
3
4
5
6
7
8
9
19
DSP56001A/D, Rev. 1
OE DIR
1
13
17
16
14
15
23
22
21
9
8
7
6
5
4
3
2
+5V
C12
C13
D12
B10
A10
A11
B11
A12
A13
B12
B13
L13
A9
B5
A4
A5
B4
B8
A8
A7
BR
HREQ
HACK
HEN
HR/W
MODA/IRQA
MODB/IRQB
RESET
D23
H7
H6
H5
H4
H3
H2
H1
H0
HA0
HA1
HA2
DSP56001A
Application Examples
DSP56001A
AA0909
4-15