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Maps and Registers System Configuration Registers
124 SPARC/CPU−56T
Address: 1FF.F160.0140
16
Table 35: Timer Control Register
Bit Name Description Default Access
0 EN TIM1 Controls timer 1
0: Timer disabled
1: Timer enabled
0
2
r/w
1 EN MOD32 Switches between two 16−bit−wide timers and one
32−bit−wide timer
0: 16−bit mode enabled
1: 32−bit mode enabled
0
2
r/w
2..3 − Reserveda 00
2
r
4 EN TIM2 Controls timer 2
0: Timer disabled
1: Timer enabled
0
2
r/w
7..5
− Reserveda 000
2
r
Timer Clear Control Register
This register is used to control the status bits of both timers in the Timer Status register.
Address: 1FF.F160.0141
16
Table 36: Timer Clear Control Register
Bit
Name Description Access
0 CLR TIM1 Clears the status bits of timer 1 in the Timer Status register
0: Timer 1 status bits stay as they are.a
1: Timer 1 status bits will be cleared.
w
3..1 − Reserved w
4 CLR TIM2 Clears the status bits of timer 2 in the Timer Status register
0: Timer 2 status bits stay as they are.a
1: Timer 2 status bits will be cleared.
w
7..5
− Reserved w
Timer Status Register
The Timer Status register is used to recognize timer underrun conditions.
- SPARC/CPU−56T 1
- Copyright 2
- Headquarters 3
- 4 SPARC/CPU−56T 4
- Contents 5
- 6 SPARC/CPU−56T 6
- 5 OpenBoot Firmware 7
- 6 Maps and Registers 8
- AppendixA Troubleshooting 9
- AppendixB Battery Exchange 9
- Product Error Report 10
- SPARC/CPU−56T 11 11
- 12 SPARC/CPU−56T 12
- SPARC/CPU−56T 13 13
- Using this Guide 14
- Abbreviations 15
- Revision History 17
- Other Sources of Information 19
- Safety Notes 20
- Installation 21
- Power Up 21
- Operation 21
- Replacement/Expansion 21
- RJ−45 Connector 22
- Environment 22
- Sicherheitshinweise 23
- Austausch/Erweiterung 25
- RJ−45 Stecker 25
- Batterie 25
- Umweltschutz 26
- Introduction 27
- Features 28
- Features Introduction 29
- SPARC/CPU−56T 29 29
- Figure 1: Function Blocks 29
- Standard Compliances 30
- Ordering Information 31
- 34 SPARC/CPU−56T 34
- Action Plan 35
- Requirements 36
- Power Requirements 37
- Hardware Accessories 38
- PMC Modules 39
- SPARC/CPU−56T 41 41
- 2. Remove voltage key 42
- Memory Modules 44
- Hard Disk 45
- SCSI−U160 Cable 45
- RS−422 Cable 45
- PS/2 Splitter Cable 45
- Switch Settings 46
- Board Installation 48
- Installing the CPU Board 49
- Removing the CPU Board 49
- Powering Up 50
- Installing Solaris 51
- Solaris Driver Package 52
- SPARC/CPU−56T 55 55
- 56 SPARC/CPU−56T 56
- Front Panel 57
- Connectors 59
- ETH1_RX+ 61
- 62 SPARC/CPU−56T 62
- On−Board Connectors 63
- Memory Module 64
- Its pinout is given below.a 65
- CPU Board 66
- SPARC/CPU−56T 67 67
- 68 SPARC/CPU−56T 68
- SPARC/CPU−56T 69 69
- 70 SPARC/CPU−56T 70
- SPARC/CPU−56T 71 71
- 72 SPARC/CPU−56T 72
- Block Diagram 73
- 74 SPARC/CPU−56T 74
- UltraSPARC IIi+ Processor 75
- Interrupt Controller 76
- PCI Bus A 77
- 78 SPARC/CPU−56T 78
- PCI Bus B 79
- SPARC/CPU−56T 81 81
- Real−Time Clock and NVRAM 84
- Serial Controller 84
- SPARC/CPU−56T 85 85
- PCI Bus C 86
- OpenBoot Firmware 87
- OpenBoot 90
- VxWorks Support 96
- NVRAM Boot Parameters 97
- Diagnostics 98
- Single Device 99
- Group of Devices 99
- IDE Devices 100
- Displaying System Information 101
- Resetting the System 103
- Activating OpenBoot Help 104
- Maps and Registers 106
- SPARC/CPU−56T 107 107
- Interrupt Map 108
- CPU Internal 109
- Physical Memory Map 110
- PCI Bus Address Map 111
- PCIO−2 Address Map 112
- Address: 1FF.F160.0100 116
- User LED Control Registers 117
- LED Control Register 2 118
- Address: 1FF.F160.0110 118
- LED Control Register 3 118
- Address: 1FF.F160.0112 119
- LED Control Register 4 119
- Address: 1FF.F160.0113 120
- Address: 1FF.F160.0120 120
- Watchdog Timer Registers 121
- Address: 1FF.F160.0130 122
- Address: 1FF.F160.0131 122
- Timer Registers 123
- Address: 1FF.F160.0144 125
- Interrupt Registers 127
- Address: 1FF.F160.0180 128
- Address: 1FF.F160.0184 128
- Reset Register 129
- Board Status Registers 130
- Address: 1FF.F160.01E1 131
- Address: 1FF.F160.01E2 132
- Hardware Revision Register 133
- I2C Registers 134
- Address: 1FF.F160.01FF 135
- Troubleshooting 136
- Error List 137
- Battery Exchange 139
- SPARC/CPU−56T 141 141
- 142 SPARC/CPU−56T 142
- SPARC/CPU−56T 143 143
- 144 SPARC/CPU−56T 144
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