dsp56001a Freescale Semiconductor, Inc, dsp56001a Datasheet - Page 8

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

DSP56001A
Introduction
1-2
Note:
D0–D23
A0–A15
GND
BR/WT
EXTAL
BG/BS
V
GND
GND
GND
GND
GND
GND
V
XTAL
V
V
V
V
V
CCCK
CCQ
CCA
CCD
CCC
CCH
CCS
WR
X/Y
1.
2.
3.
RD
PS
DS
CK
Q
A
D
C
H
S
The Host Interface port signals are multiplexed with the Port B GPIO signals (PB0–PB15).
The SCI and SSI signals are multiplexed with the Port C GPIO signals (PC0–PC8).
Power and ground lines are indicated for the 144-pin TQFP package.
16
24
4
3
3
2
4
5
6
4
2
Power Inputs:
Clock Output
Internal Logic
Address Bus
Data Bus
Bus Control
HI
SSI/SCI
Grounds:
Clock
Internal Logic
Address Bus
Data Bus
Bus Control
HI
SSI/SCI
Figure 1-1 Signals Identified by Functional Group
External
Address Bus
External
Data Bus
External
Bus
Control
Clock
Freescale Semiconductor, Inc.
For More Information On This Product,
DSP56001A
DSP56001A/D, Rev. 1
Communications
Go to: www.freescale.com
Serial Interface
Interface (SCI)
Synchronous
(SSI) Port
Interrupt/
(HI) Port
Interface
Control
Mode
Serial
Port
Host
1
2
2
3
8
3
Reset
mode
MODA
MODB
RESET
Host
Interface
H0–H7
HA0–HA2
HR/W
HEN
HREQ
HACK
SCI Port
RXD
TXD
RCLK
SSI Port
SC0–SC2
SCK
SRD
STD
Interrupt
mode
IRQA
IRQB
Port B
GPIO
PB0–PB7
PB8–PB10
PB11
PB12
PB13
PB14
Port C
GPIO
PC0
PC1
PC2
Port C
GPIO
PC3–PC5
PC6
PC7
PC8
MOTOROLA
AA0885