Intel 80C188XL - Manual (Page 403)

INDEX
Index-6
Polling, 8-1, 8-9
POPA instruction, A-1
Power consumption‚ reducing, 3-28
Power management, 5-10–5-14
Power management modes
and HALT bus cycles, 3-30
Powerdown mode, 7-2
Power-Save mode, 5-11–5-14, 7-2
and DRAM refresh rate, 5-13
and refresh interval, 7-7
control register, 5-12
entering, 5-11
exiting, 5-13
initialization code, 5-13–5-14
Power-Save Register, 5-12
Priority Mask register, 8-17, 8-18, 8-28
Processor control instructions, 2-27
Processor Status Word (PSW), 2-1, 2-7, 2-41
bits defined, 2-7, 2-9
flag storage formats, 2-19
reset status, 2-7
Program transfer instructions, 2-23–2-24
conditional transfers, 2-24, 2-26
interrupts, 2-26
iteration control, 2-25
unconditional transfers, 2-24
PUSH instruction, A-8
PUSHA instruction, A-1
Q
Queue status signals, 3-38
R
RCL instruction, A-10
RCR instruction, A-10
Read bus cycles‚ See Bus cycles
READY
and chip-selects, 6-15
and normally not-ready signal, 3-17–3-18
and normally ready signal, 3-16–3-17
and PCB accesses, 4-4
and wait states, 3-13–3-18
implementation approaches, 3-13
timing concerns, 3-17
Real, defined, 10-7
Real-time clock, code example, 9-17–9-20
Refresh address, 7-4
Refresh Base Address Register (RFBASE), 7-8
Refresh bus cycle‚ See Bus cycles
Refresh Clock Interval Register (RFTIME), 7-7,
7-8
Refresh Control Register (RFCON), 7-9, 7-10
Refresh Control Unit (RCU), 7-1–7-13
and bus hold protocol, 7-12–7-13
and Powerdown mode, 7-2
and Power-Save mode, 7-2, 7-7
block diagram, 7-1
bus latency, 7-7
calculating refresh interval, 7-7
control registers, 7-7–7-10
initialization code, 7-10
operation, 7-2
overview, 7-2–7-4
programming, 7-7–7-11
relationship to BIU, 7-1
Register operands, 2-27
Registers, 2-1
control, 2-1
data, 2-4, 2-5
general, 2-1, 2-4, 2-5
H & L group, 2-4
index, 2-5, 2-13, 2-34
P & I group, 2-4
pointer, 2-1, 2-5, 2-13
pointer and index, 2-4
segment, 2-1, 2-5, 2-11, 2-12
status, 2-1
Relocation Register‚ See PCB Relocation Register
Reset
and bus hold protocol, 5-6
and clock synchronization, 5-6–5-10
cold, 5-7, 5-8
RC circuit for reset input, 5-7
warm, 5-7, 5-9
ROL instruction, A-10
ROR instruction, A-10
S
SAL instruction, A-9
SAR instruction, A-9
SHL instruction, A-9
Short integer, defined, 10-7
Short real, defined, 10-7
SHR instruction, A-9