Motorola MPC823e - Page 15

TABLE OF CONTENTS (Continued)
Paragraph Page
Number Title Number
MOTOROLA MPC823e REFERENCE MANUAL xiii
16.3.2.2 Software ......................................................................16-27
16.3.2.3 Firmware .....................................................................16-27
16.3.3 Programming the DSP Functions ...........................................16-27
16.3.3.1 Data Representation ...................................................16-28
16.3.3.2 Modulo Addressing .....................................................16-29
16.3.3.2.1 DSP Function Descriptors ..............................16-29
16.3.3.2.2 DSP Parameter RAM Memory Map ...............16-30
16.3.3.2.3 DSP Commands ............................................16-32
16.3.3.3 DSP Event Register ....................................................16-33
16.3.3.4 DSP Mask Register ....................................................16-34
16.3.3.5 DSP Implementation ...................................................16-35
16.3.3.5.1 DSP Programming Example (Core Only) .......16-36
16.3.3.5.2 DSP Programming Example
(Core and CPM) ..............................................16-37
16.3.4 DSP On-Chip Library Functions .............................................16-38
16.3.4.1 FIR1–Real C, Real X, and Real Y ..............................16-39
16.3.4.1.1 Coefficients and Sample Data Buffers ...........16-39
16.3.4.1.2 FIR1 Function Descriptor ...............................16-40
16.3.4.1.3 FIR1 Parameter Packet ..................................16-41
16.3.4.1.4 Application Example .......................................16-41
16.3.4.2 FIR2–Real C, Complex X, and Complex Y .................16-42
16.3.4.2.1 Coefficients and Sample Data Buffers ...........16-42
16.3.4.2.2 FIR2 Function Descriptor ...............................16-43
16.3.4.2.3 FIR2 Parameter Packet ..................................16-45
16.3.4.2.4 Application Example .......................................16-45
16.3.4.3 FIR3–Complex C, Complex X, and
Real/Complex Y .........................................................16-46
16.3.4.3.1 Coefficients and Sample Data Buffers ...........16-47
16.3.4.3.2 FIR3 Function Descriptor ...............................16-47
16.3.4.3.3 FIR3 Parameter Packet ..................................16-49
16.3.4.3.4 Application Example .......................................16-49
16.3.4.4 FIR5–Complex C, Complex X, and Complex Y ..........16-50
16.3.4.4.1 Coefficients and Sample Data Buffers ...........16-50
16.3.4.4.2 FIR5 Function Descriptor ...............................16-51
16.3.4.4.3 FIR5 Parameter Packet ..................................16-53
16.3.4.4.4 Application Example .......................................16-53
16.3.4.5 FIR6–Complex C, Real X, and Complex Y .................16-54
16.3.4.5.1 Coefficients and Sample Data Buffers ...........16-54
16.3.4.5.2 FIR6 Function Descriptor ...............................16-55
16.3.4.5.3 FIR6 Parameter Packet ..................................16-57
16.3.4.6 IIR–Real C, Real X, Real Y .........................................16-57