dsp56362 Freescale Semiconductor, Inc, dsp56362 Datasheet - Page 7

• Manufacturer Part Number: dsp56362
• Description: Dsp56362 24-bit Audio Digital Signal Processor
• Manufacturer: Freescale Semiconductor, Inc

2
2.1
The input and output signals of the DSP56362 are organized into functional groups, which are listed in
Table 2-1
The DSP56362 is operated from a 3.3 V supply; however, some of the inputs can tolerate 5 V. A special
notice for this feature is added to the signal descriptions of those inputs.
Freescale Semiconductor
1
2
3
4
Power (V
Ground (GND)
Clock and PLL
Address bus
Data bus
Bus control
Interrupt and mode control
HDI08
SHI
ESAI
Digital audio transmitter (DAX)
Timer
JTAG/OnCE Port
Signal/Connection Descriptions
Port A is the external memory interface port, including the external address bus, data bus, and control signals.
Port B signals are the GPIO port signals which are multiplexed with the HDI08 signals.
Port C signals are the GPIO port signals which are multiplexed with the ESAI signals.
Port D signals are the GPIO port signals which are multiplexed with the DAX signals.
Signal Groupings
and illustrated in
CC
)
Figure
Functional Group
Table 2-1 DSP56362 Functional Signal Groupings
2-1.
DSP56362 Technical Data, Rev. 4
Port A
Port B
Port C
Port D
1
2
3
4
Number of
Signals
20
19
18
24
11
16
12
4
5
5
2
1
6
Table 2-10
Table 2-12
Table 2-13
Table 2-14
Table 2-11
Description
Table 2-2
Table 2-3
Table 2-4
Table 2-5
Table 2-6
Table 2-7
Table 2-8
Table 2-9
Detailed
2-1