MSC8113 Reference Manual, Rev. 0
4-10
Freescale Semiconductor
System Interface Unit (SIU)
4.2 SIU Programming Model
This section discusses the SIU registers in detail. The SIU programming model comprises three
groups of registers:
System Configuration and Protection registers and periodic interrupt registers.
Memory controller configuration registers. For details refer to Section 12.8, Memory
Controller Programming Model.
4.2.1 System Configuration and Protection Registers
The SIU system configuration and protection registers are as follows:
Bus Configuration Register (BCR), page 4-10
System Bus Arbiter Configuration Register (PPC_ACR), page 4-13
System Bus Arbitration-Level Registers (PPC_ALRH/PPC_ALRL), page 4-14
Local Bus Arbiter Configuration Register (LCL_ACR), page 4-16
Local Bus Arbitration Level Registers (LCL_ALRH and LCL_ACRL), page 4-17
SIU Module Configuration Register (SIUMCR), page 4-17
Internal Memory Map Register (IMMR), page 4-20
System Protection Control Register (SYPCR), page 4-21
Software Service Register (SWSR), page 4-22
System Bus Transfer Error Status and Control Register 1 (TESCR1), page 4-22
System Transfer Error Status and Control Register 2 (TESCR2), page 4-24
Local Bus Transfer Error Status and Control Register 1 (L_TESCR1), page 4-25
Time Counter Status and Control Register (TMCNTSC), page 4-26
Time Counter Register (TMCNT), page 4-27
Time Counter Alarm Register (TMCNTAL), page 4-27
BCR contains configuration bits for various features and wait states on the system bus.
BCR
Bus Configuration Register
Bit
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
EBM
APD
—
—
—
—
PLDP DSBI
—
EAV
ETM LETM EPAR
—
Type
R/W
Reset EBM
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Bit
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
NPQM
— EXDD
—
—
—
—
—
ISPS
—
—
—
—
Type
R/W
Reset
0
0
0
0
0
0
0
0
0
0
0
ISPS
0
0
0
0
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 ...