Signal Descriptions
Signal Groupings

MOTOROLA DSP56012 User’s Manual 2-3

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.

Table 2-1 DSP56012 Functional Signal Groupings
Functional Group Number of
Signals Detailed
Description
Power (VCC) 13 Table 2-2
Ground (GND) 17 Table 2-3
PLL 4 Table 2-4
Interrupt and Mode Control 4 Table 2-5
Host Interface (HI) Port B 15 Table 2-6
Serial Host Interface (SHI) 5 Table 2-7
Serial Audio Interface (SAI) 9 Table 2-8
Table 2-9
General Purpose Input/Output (GPIO) 8 Table 2-10
Digital Audio Transmitter (DAX) 2 Table 2-11
OnCE Port 4 Table 2-12