Motorola MVME167 Installation Guide Page 31
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Functional Description
MVME166IG/D2 1-17
1
Programmable Tick Timers
Four 32-bit programmable tick timers with 1 µs resolution are provided, two
in the VMEchip2 and two in the PCCchip2. The tick timers can be
programmed to generate periodic interrupts to the processor.
Watchdog Timer
A watchdog timer function is provided in the VMEchip2. When the watchdog
timer is enabled, it must be reset by software within the programmed time or
it times out. The watchdog timer can be programmed to generate a SYSRESET
signal, local reset signal, or board fail signal if it times out.
Software-Programmable Hardware Interrupts
Eight software-programmable hardware interrupts are provided by the
VMEchip2. These interrupts allow software to create a hardware interrupt.
Local Bus Timeout
The MVME166 provides a timeout function for the local bus. When the timer
is enabled and a local bus access times out, a Transfer Error Acknowledge
(TEA) signal is sent to the local bus master. The timeout value is selectable by
software for 8 µsec, 64 µsec, 256 µsec, or infinite. The local bus timer does not
operate during VMEbus or VSB bound cycles. VMEbus bound cycles are
timed by the VMEbus access timer and the VMEbus global timer. VSB bound
cycles are timed by the VSB access timer, the VSB transfer timer, and if its serial
arbiter is enabled, by the VSB arbitration timer.
Connectors
The MVME166 has two 96-position DIN connectors: P1 and P2. P1 rows A, B,
C, and P2 row B provide the VMEbus interconnection. P2 rows A and C, on
the MVME166, provide the connection to the VSB. The MVME166 has a 20-pin
connector mounted behind the front panel. When the MVME166 board is
enclosed in a chassis and the front panel is not visible, this connector allows
the reset, abort and LED functions to be extended to the control panel of the
system, where they are visible. The MVME166 has a 68-pin mini D ribbon
shielded connector for the SCSI bus interface. The MVME166 has a 100-pin
mini D ribbon shielded connector for the serial ports, Ethernet, and printer.
- MVME166 1
- Single Board Computer 1
- Installation Guide 1
- Restricted Right Legend 2
- Dangerous Procedure Warnings 6
- Contents 7
- List of Figures 11
- List of Tables 13
- BOARD LEVEL 15
- HARDWARE DESCRIPTION 15
- Related Documentation 16
- Requirements 19
- Features 19
- Specifications 20
- Manual Terminology 20
- MVME166IG/D2 1-7 21
- Block Diagram 22
- Functional Description 23
- Data Bus Structure 24
- MC68040 MPU 24
- MVME166IG/D2 1-11 25
- Onboard DRAM 26
- VMEbus Interface 27
- I/O Interfaces 27
- MVME166IG/D2 1-15 29
- Local Resources 30
- Connectors 31
- Memory Maps 32
- MVME166IG/D2 1-19 33
- MVME166IG/D2 1-21 35
- VMEbus Memory Map 36
- VSB Memory Map 36
- HARDWARE PREPARATION 37
- AND INSTALLATION 37
- Hardware Preparation 39
- System Controller Header J6 40
- Installation Instructions 42
- MVME166IG/D2 2-7 43
- System Considerations 44
- MVME166IG/D2 2-9 45
- DEBUGGER GENERAL 47
- INFORMATION 47
- 166Bug Implementation 49
- Installation and Startup 49
- 166BBug Implementation 53
- Execute User Program 54
- Setup System Parameters 54
- Autoboot 55
- Network Boot 56
- Restarting the System 57
- SYSFAIL* Assertion/Negation 58
- Memory Requirements 59
- Terminal Input/Output Control 60
- Disk I/O Support 61
- Device Probe Function 62
- Disk I/O via 166Bug Commands 62
- Network I/O Support 65
- RARP/ARP Protocol Modules 66
- BOOTP Protocol Module 66
- TFTP Protocol Module 66
- Network Boot Control Module 66
- Network I/O Error Codes 66
- Multiprocessor Support 67
- $804****(MPAR) 68
- Diagnostic Facilities 69
- Debugger General Information 70
- USING THE 166Bug 71
- DEBUGGER 71
- Syntactic Variables 72
- register (not an 75
- Port Numbers 78
- MVME166IG/D2 4-9 79
- Hardware Functions 80
- Exception 166Bug Facility 81
- MVME166IG/D2 4-13 83
- the address of the 84
- MVME166IG/D2 4-15 85
- Floating Point Support 87
- Single Precision Real 88
- Double Precision Real 88
- Extended Precision Real 88
- Scientific Notation 89
- Packed Decimal Real 89
- MVME166IG/D2 4-21 91
- Using the 166Bug Debugger 92
- CONFIGURE AND 93
- ENVIRONMENT COMMANDS 93
- MVME166IG/D2 A-3 95
- MVME166IG/D2 A-5 97
- MVME166IG/D2 A-7 99
- MVME166IG/D2 A-9 101
- MVME166IG/D2 A-11 103
- MVME166IG/D2 A-13 105
- MVME166IG/D2 A-15 107
- DISK/TAPE CONTROLLER 109
- Disk/Tape Controller Data 110
- MVME320 -- 4 Devices 110
- MVME323 -- 4 Devices 111
- MVME327A -- 9 Devices 111
- MVME328 -- 14 Devices 112
- MVME350 -- 1 Device 112
- MVME166IG/D2 B-5 113
- NETWORK CONTROLLER 115
- Network Controller Data 116
- Numerics 117
- MVME166IG/D2 IN-3 119
- MVME166IG/D2 IN-5 121
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