Operating Instructions
3-14 User’s Manual
3
Table 3-4. MCchip Register Map
MCchip Base Address = $FFF42000
Offset D31-D24 D23-D16 D15-D8 D7-D0
$00 MCchip ID MCchip 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
MVME162
Ve rs io n
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 PROM Access
Time Control
Flash Access
Time 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
To Next Page
Loading...
