Specifications

Index
printer interface (see Centronics printer interface)................ 9-1
priority resolver (PR)
.......................................... 12-9
processor performance compared to IBM PC
.....................3-3
program counter and prefetch pointer (PC and PFP)
............. 6-10
program counter (PC) [IP]
.......................................6-5
programmable interrupt controller (PIC)
........ 1-11, 3-8, 5-15, 7-11
programmable interrupt controller (see interrupt controller)
......12-2
programmable registers (interrupt controller)
.................. 12-11
programming
counter/timers
...............................................11-6
interrupt controller
......................................... 12-31
program status word (PSW) [FL]
................................ 6-8
-R-
rate generator ................................................. 11-18
read-back command (counter/timers)
.......................... 11-11
example
................................................... 11-15
read operations for counter/timers
.............................. 11-8
read/write control logic
....................................... 12-10
READY
....................................................... 6-21
real-time clock
............................................ 1-9, 10-1
application example
......................................... 4-40
block diagram
...............................................10-2
operation
....................................................10-3
timechip comparison register
................................ 10-5
timechip register
............................................ 10-7
timekeeper register
.......................................... 10-6
received data available interrupt
................................ 8-30
receive line signal detect (RLSD*)
........................ 8-13, 8-34
receiver line status interrupt
.................................... 8-30
registers
16/32-bit temporary shift registers
........................... 6-10
general purpose registers
......................................6-6
index registers
................................................6-7
register use in emulation mode
...............................6-16
segment registers
............................................. 6-3
x