Motorola DSP56305 User Manual page 24

14.4.1 CCOP Data FIFO Register (CDFR) . . . . . . . . . . . . . . . . . . 14-8
14.4.2 CCOP Count Register (CCNT) . . . . . . . . . . . . . . . . . . . . . . 14-9
14.4.2.1 Input Counter (IC[7:0])-CCNT Bits 7-0 . . . . . . . . . . . . 14-9
14.4.2.2 Run Counter (RC[7:0])-CCNT Bits 15-8 . . . . . . . . . . . 14-9
14.4.2.3 Output Counter (OC[6:0])-CCNT Bits 22-16 . . . . . . . 14-10
14.4.2.4 Continuous Mode (CM)-CCNT Bit 23. . . . . . . . . . . . . 14-10
14.4.3 Step Function Registers . . . . . . . . . . . . . . . . . . . . . . . . . . 14-10
14.4.3.1 Step Function Select Register (CSFS) . . . . . . . . . . . . . 14-10
14.4.3.1.1
14.4.3.1.2
14.4.3.1.3
14.4.3.1.4
14.4.3.1.5
14.4.3.1.6
14.4.3.1.7
14.4.3.2 Step Function Table A (CSFTA). . . . . . . . . . . . . . . . . . 14-12
14.4.3.3 Step Function Table B (CSFTB). . . . . . . . . . . . . . . . . . 14-12
14.4.3.4 Input Enable bits (INE[3:0])-CSFTB Bits 19-16 . . . . . 14-13
14.4.3.5 Output Enable bits (OUTE[3:0])-CSFTB Bits 23-20 . 14-14
14.4.4 CCOP Control Status Register (CCSR) . . . . . . . . . . . . . . 14-14
14.4.4.1 Enable bit (CEN)-CCSR Bit 0. . . . . . . . . . . . . . . . . . . 14-15
14.4.4.2 Processing Enable bit (PREN)-CCSR Bit 1 . . . . . . . . 14-15
14.4.4.3 Operating Mode bits (OPM[1:0])-CCSR Bits 5-4. . . . 14-15
14.4.4.4 Left-Right Connection bit (LRC)-CCSR Bit 8 . . . . . . . 14-16
14.4.4.5 Halt On Zero Detect bit (HOZD)-CCSR Bit 9 . . . . . . . 14-16
14.4.4.6 Force Shift bit (FOSH)-CCSR Bit 10 . . . . . . . . . . . . . 14-17
14.4.4.7 Data In Interrupt Enable bit (DIIE)-CCSR Bit 12 . . . . 14-17
14.4.4.8 Data Out Interrupt Enable bit (DOIE)-CCSR Bit 13 . . 14-17
14.4.4.9 Cipher Done Interrupt Enable bit (CDIE)-
CCSR Bit 14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-17
14.4.4.10 Parity Coding Done Interrupt Enable bit (PDIE)-
' CCSR Bit 15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-17
14.4.4.11 Input Buffer Empty bit (INBE)-CCSR Bit 19 . . . . . . . . 14-18
14.4.4.12 Input FIFO Empty bit (INFE)-CCSR Bit 20. . . . . . . . . 14-18
14.4.4.13 Output FIFO Not Empty bit (OFNE)-CCSR Bit 21 . . . 14-18
14.4.4.14 Cipher Done bit (CIDN)-CCSR Bit 22 . . . . . . . . . . . . 14-18
xxii
Select Bit A (SBA[4:0])-CSFS Bits 4-0 . . . . . . . . . 14-11
Select Register A (SRA[1:0])-CSFS Bits 6-5 . . . . 14-11
Select Bit B (SBB[4:0])-CSFS Bits 12-8 . . . . . . . . 14-11
Select Register B (SRB[1:0])-CSFS Bits 14-13 . . 14-11
Select Bit C (SBC[4:0])-CSFS Bits 20-16 . . . . . . . 14-12
Select Register C (SRC[1:0])-CSFS Bits 22-21 . . 14-12
Reserved Bits-CSFS Bits 7, 15, 23 . . . . . . . . . . . . 14-12
DSP56305 User's Manual MOTOROLA