Extended Core Memory (M1)
MSC8113 Reference Manual, Rev. 0
Freescale Semiconductor
9-3
9.2 Extended Core Memory (M1)
A 224 KB SRAM memory unified for program and data is included within each extended core
system. It is a zero wait state memory that operates at core frequency. The memory system
includes the memory and the QBus control unit (QBC). The M1 memory divided into seven
groups of 32 KB each. Each group contains eight 4 KB modules (see Figure 9-2). Each module
is organized as an array of 128 rows, each 256 bit wide. Complex interleaving in the modules
minimizes contentions.
Each memory group has four ports, three of which enable access from the SC140 core buses
(P-bus and the two data buses Xa and Xb), and one of which is the L port. The L port connects
directly to the local bus. The four 24-bit address memory ports include:
P (program) 128-bit data read.
Xa (data) 64-bit read and write.
Xb (data) 64-bit read and write.
L (data) 64-bit read and write.
Figure 9-2. Logical Memory Organization
Module 0
Module 1
Module 7
Group 1 IO
..
.
Module 0
Module 1
Module 7
Group 2 IO
..
.
Module 0
Module 1
Module 7
Group 3 IO
.
..
Module 0
Module 1
Module 7
Group 4 IO
.
..
Module 0
Module 1
Module 7
Group 7 IO
..
.
P-Bus
Xb-Bus
Local Bus
Xa-Bus
.
.
.
Summary of Contents for MSC8113
Page 1: ...MSC8113 Reference Manual Tri Core 16 Bit Digital Signal Processor MSC8113RM Rev 0 May 2008 ...
Page 20: ...MSC8113 Reference Manual Rev 0 xx Freescale Semiconductor Contents ...
Page 28: ...MSC8113 Reference Manual Rev 0 xxviii Freescale Semiconductor ...
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 ...