Motorola MVME172 - Manual (Page 45)

http://www.mcg.mot.com/literature 1-27
1
Memory Maps
1Board Description and Memory Maps
0Memory Maps
Table 1-8. MC2 Chip Register Map
MC2 Chip Base Address = $FFF42000
Offset D31-D24 D23-D16 D15-D8 D7-D0
$00 MC2 chip ID MC2 chip
Revision
General
Control
Interrupt Vector
Base Register
$04 Tick Timer 1 Compare Register
$08 Tick Timer 1 Counter Register
$0C Tick Timer 2 Compare Register
$10 Tick Timer 2 Counter Register
$14 LSB Prescaler
Count Register
Prescaler
Clock Adjust
Tick Timer 2
Control
Tick Timer 1
Control
$18 Tick Timer 4
Interrupt Control
Tick Timer 3
Interrupt Control
Tick Timer 2
Interrupt Control
Tick Timer 1
Interrupt Control
$1C DRAM Parity Error
Interrupt Control
SCC Interrupt
Control
Tick Timer 4
Control
Tick Timer 3
Control
$20 DRAM Space Base Address Register SRAM Space Base Address Register
$24 DRAM Space
Size
DRAM/SRAM
Options
SRAM Space
Size
Reserved
$28 LANC Error Status Reserved LANC Interrupt
Control
LANC Bus Error
Interrupt Control
$2C SCSI Error Status General Purpose
Inputs
MVME172 Version SCSI Interrupt
Control
$30 Tick Timer 3 Compare Register
$34 Tick Timer 3 Counter Register
$38 Tick Timer 4 Compare Register
$3C Tick Timer 4 Counter Register
$40 Bus Clock EPROM Access
Time Control
Flash Parameter
Control
ABORT Switch
Interrupt Control
$44 RESET Switch
Control
Watchdog Timer
Control
Access &
Watchdog Time
Base Select
Reserved
$48 DRAM Control Reserved MPU Status Reserved
$4C 32-bit Prescaler Count Register