Specifications

Index
BIU - Bus Interface Unit .................................... 5-19
block diagram
................................................ 5-6
CGU - Clock Generator Unit
................................ 5-20
commonly asked questions
....................................5-3
configuration
................................................. 6-1
configuration registers for I/O mapping
...................... 2-12
CPU - Central Processing Unit
................................5-6
data formats
.................................................5-25
DCU - DMA Control Unit
...................................5-22
emulator manufacturers
.......................................3-4
functional blocks
............................................. 5-5
ICU - Interrupt Control Unit
................................. 5-22
instruction set
................................................ 5-3
interrupts
................................................... 5-27
I/O addressing and map
......................................5-26
memory addressing and map
.................................5-24
reset
.................................................. 5-23, 6-12
SCU - Serial Control Unit
................................... 5-21
TCU - Counter/Timer Control Unit
.......................... 5-21
VCR - V40 Configuration Registers
................ 5-20, 6-2, D-4
WCU - Wait Control Unit
................................... 5-21
-W-
W1-6 (J2 DCE/DTE selection) .................................. A-3
W7, W8 (battery backup device selection)
....................... A-4
W9-15, W18 (J2 RS-232/485 selection)
......................... A-4
W16, 17 (J2 RS-485 output enable)
............................. A-5
W19 (watchdog timer)
.......................................... A-5
W20 (NDP interrupt)
........................................... A-6
W21,W22 (RAM device size)
...................................A-6
W23-W25 (ROM device type)
.................................. A-7
W26,W27 (RAM device type)
.................................. A-7
W28-W32 (STD bus dual port RAM addressing, 20-bit)
......... A-8
W33-W36 (STD bus dual port RAM addressing, 24-bit)
........ A-10
W37-W40 (STD bus I/O port addressing)
...................... A-11
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