MSC8113 Reference Manual, Rev. 0
2-2
Freescale Semiconductor
SC140 Core Overview
The SC140 core can sustain this high performance over time because of the flexibility of its data
execution units and ability to transfer up to 128 data bits per cycle. The four data execution units
can operate simultaneously in any combination. For example, the SC140 core can execute four
multiply-accumulate operations in a single clock, or one MAC, two arithmetic/logical operations
and one bit field operation. All four data ALUs are identical, permitting great flexibility in
assigning and executing instructions, increasing the likelihood that four execution units can be
kept busy on any given cycle and enabling programs to take better advantage of the SC140 core
parallel architecture.
2.1 Architecture
This section discusses the main functional blocks of the SC140 core. Figure 2-1 shows a block
diagram of the core as used by the MSC8113.
Note:
The SC140 DSP core defines the PLL Control Registers 0–1 (PCTL[0–1]) for PLL and
clock control. The MSC8113 does not use these registers in its design. In addition, the
manual defines six debug modules and seven EE signal lines in the EOnCE module.
Figure 2-1. Block Diagram of the SC140 Core in the MSC8113
XDBA
XA
BA
Instruction Bus
PA
B
Program
Sequencer
PDB
XA
BB
XDBB
2 AAUs
4 ALUs
Data ALU
Register File
128
64
64
32
32
32
128
128
BMU
Extended Core Unified Data/Program Memory (M1)
Address Generator
Register File
EOnCE™
Module
SC140 Core
See Section 2.3 for details
DALU
AGU
Summary of Contents for MSC8113
Page 1: ...MSC8113 Reference Manual Tri Core 16 Bit Digital Signal Processor MSC8113RM Rev 0 May 2008 ...
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Page 56: ...MSC8113 Reference Manual Rev 0 1 28 Freescale Semiconductor MSC8113 Overview ...
Page 76: ...MSC8113 Reference Manual Rev 0 2 20 Freescale Semiconductor SC140 Core Overview ...
Page 134: ...MSC8113 Reference Manual Rev 0 4 30 Freescale Semiconductor System Interface Unit SIU ...
Page 168: ...MSC8113 Reference Manual Rev 0 6 18 Freescale Semiconductor Boot Program ...
Page 180: ...MSC8113 Reference Manual Rev 0 7 12 Freescale Semiconductor Clocks ...
Page 260: ...MSC8113 Reference Manual Rev 0 8 80 Freescale Semiconductor Memory Map ...
Page 300: ...MSC8113 Reference Manual Rev 0 9 40 Freescale Semiconductor Extended Core ...
Page 304: ...MSC8113 Reference Manual Rev 0 10 4 Freescale Semiconductor MQBus and M2 Memory ...
Page 308: ...MSC8113 Reference Manual Rev 0 11 4 Freescale Semiconductor SQBus ...
Page 590: ...MSC8113 Reference Manual Rev 0 17 46 Freescale Semiconductor Interrupt Processing ...
Page 614: ...MSC8113 Reference Manual Rev 0 18 24 Freescale Semiconductor Debugging ...
Page 622: ...MSC8113 Reference Manual Rev 0 19 8 Freescale Semiconductor Internal Peripheral Bus IPBus ...
Page 724: ...MSC8113 Reference Manual Rev 0 21 32 Freescale Semiconductor UART ...
Page 920: ...MSC8113 Reference Manual Rev 0 25 150 Freescale Semiconductor Ethernet Controller ...
Page 1171: ...MSC8113 Reference Manual Rev 0 Freescale Semiconductor C 61 EF wait_rts P 01077FFC 9F rts 71 ...
Page 1172: ...MSC8113 Reference Manual Rev 0 C 62 Freescale Semiconductor MSC8113 Boot Code ...
Page 1202: ...MSC8113 Reference Manual Rev 0 Index 30 Freescale Semiconductor Index ...