2.1
SIGNAL GROUPINGS
The DSP56012 input and output signals are organized into the ten functional groups
shown in Table 2-1. The individual signals are shown in Figure 2-1 on page 2-4.
Power (V
)
CC
Ground (GND)
PLL
Interrupt and Mode Control
Host Interface (HI)
Serial Host Interface (SHI)
Serial Audio Interface (SAI)
General Purpose Input/Output (GPIO)
Digital Audio Transmitter (DAX)
OnCE Port
MOTOROLA
Table 2-1 DSP56012 Functional Signal Groupings
Functional Group
DSP56012 User's Manual
Number of
Signals
13
17
4
4
Port B
15
5
9
8
2
4
Signal Descriptions
Signal Groupings
Detailed
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
Table 2-10
Table 2-11
Table 2-12
2-3