Kontron VM62 User Manual
Page 60
Chapter 6 Software Configuration
VM62(A) / VM42(A) User’s Manual
7)
Configure CLK lines
• COM2 to full strength
• COM1 disabled
• register access locked
0x83.B -> CLKOCR
8)
Configure PEPAR register
• set /IOUT0-2 are PRTY0-2
• select /RAS1DD function
• select /WE0-3
• select AMUX
• select /CAS0-3
0x51C0.W -> PEPAR
9)
Configure GMR register
• set refresh counter period to 24
• set refresh cycle length to 3
• set DRAM port size to 32 bit
• assert CS/RAS on CPU space
• enable refresh
0x18800100.L -> GMR
10) Configure autovector register
• enable autovector on levels 2, 3, 5 and 7
0xAC.B -> AVR
11) Configure chip select lines
• CS0: FLASH to 0x4000000, negate timing ‘040
0x4000011.L -> BR0
• CS0: size to 16 MByte, port size 32 bit, tcyc 3
0x3F000000.L -> OR0
• CS1: DRAM to 0x0, burst acknowledge ‘040
0x21.L -> BR1
• CS1: size to 16 MByte, port size 32 bit, tcyc 0, bcyc 1
0xF000001.L -> OR1
• CS2: DMA - VME to 0x87000000
0x87000001.L -> BR2
• CS2: size to 16 MByte, port size external, tcyc 1
0x1F000006.L -> OR2
• CS3: AutoBahn to 0x9000000
0x9000001.L -> BR3
• CS3: size to 16 MByte, port size external, tcyc 1
0x1F000006.L -> OR3
• CS4: SRAM to 0xA000000
0xA000001.L -> BR4
• CS4: size to 16 MByte, port size external, tcyc 1
0x1F000006.L -> OR4
• CS5: CXC to 0xBF70000
0xBF70000.L -> BR5
• CS5: size to 8 kByte, port size external, tcyc 1
0x1FFFE006.L -> OR5
• CS6: RTC to 0xC000000
0xC000001.L -> BR6
• CS6: size to 2 kByte, port size external, tcyc 1
0x1FFFF806.L -> OR6
• CS7: on-board control to 0xD000000
0xD000001.L -> BR7
• CS7: size to 16 MByte, port size external, tcyc 1
0x1F000006.L -> OR7
Page 6-2
©1995 PEP Modular Computers
May 17, 1996