Owner manual

VM162/VM172 Chapter 2 Functional Description
Page 2- 34
© PEP Modular Computers
Juli 23, 1997
2.10.11 IP Slot Control Register
IP Interrupt Control Register Bit-map:
Address: IPa: NEX CE 00 09 81
IPa: NEX CE 00 0B 81
Format: byte
Access: read and write
Value after Reset: HEX 00
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
reserved reserved IP_CLK IP_RESET M_SIZE M_PAG2 M_PAG1 M_PAG0
IP_CLK 0 -> IP CLOCK 8 MHZ
1 -> IP CLOCK 32 MHZ
IP_RESET-0 0 -> IP RESET line active
1 ->IP RESET line not active, IP enabled
M_SIZE 0 -> IP linear addressable mem space 8 MB
1 -> IP linear addressable mem space 1 MB
M_PAG active memory page (1-of-8) 1 MB mem pages