Intel 386 User Manual
Page 685
INTEL386™ EX MICROPROCESSOR USER’S MANUAL
Index-6
register locations,
4-5
,
4-15
Peripherals, summary,
2-3
Physical address space,
3-1
Pin configuration,
5-23
PINCFG,
5-24
,
10-23
,
11-17
,
12-31
,
13-17
,
14-15
,
D-46
Pin descriptions,
A-1
–
A-10
Pin states after reset and during idle, powerdown,
and hold,
A-9
Pipelined instructions, defined,
3-2
Port configuration
P1CFG,
5-25
,
11-18
,
D-43
P2CFG,
5-26
,
11-19
,
14-16
,
D-44
P3CFG,
5-27
,
9-18
,
10-22
,
11-20
,
D-45
PnCFG,
16-7
PnDIR,
16-8
,
D-47
PnLTC,
16-8
,
D-48
PnPIN,
16-9
,
D-48
PORT92,
5-22
,
D-50
PORT92
register addresses,
4-17
,
D-3
Power management
controlling modes,
8-8
,
17-4
–
17-6
logic,
8-3
–
8-7
programming
PWRCON,
8-8
,
17-11
,
D-51
register addresses,
4-19
,
D-5
See also Idle mode, powerdown mode, system
management mode
Powerdown mode
considerations,
8-13
SMM interaction with,
8-5
timing diagram,
8-11
Powerup
Built-in self-test,
8-12
JTAG reset,
8-12
Prefetch Queue,
3-4
Priority of exceptions and interrupts,
7-7
Programmed operating mode,
9-8
Programming
chip-select unit,
14-13
–
14-20
clock and power management unit,
8-7
–
8-10
DMA controller,
12-28
–
12-51
ESE bit,
4-8
interrupt control unit,
9-32
RCU,
15-6
–
15-10
REMAPCFG example,
4-8
serial I/O unit,
11-15
–
11-32
SSIO,
13-17
–
13-25
timer/counter unit,
10-20
–
10-33
watchdog timer unit,
17-7
–
17-12
Programming considerations
chip-select unit,
14-22
DMA controller,
12-50
serial I/O unit,
11-32
timer/counter unit,
10-33
Protected mode,
9-8
Protection Test Unit,
3-5
PSCLK,
8-1
–
8-2
,
8-7
,
10-1
,
10-3
,
10-21
,
13-1
,
13-5
,
13-18
PSCLK frequency
Controlling,
8-7
PSRAM,
15-11
R
RAS#-only refresh,
15-1
,
15-12
RCU, See Refresh control unit
Ready logic,
6-10
Real mode,
9-8
Refresh control unit,
15-1
–
15-16
bus arbitration,
15-5
configuring,
5-3
connections,
15-3
design considerations,
15-11
dynamic memory control,
15-1
operation,
15-5
overview,
15-2
–
15-5
programming,
15-6
–
15-10
RFSADD,
15-10
,
D-54
RFSADD register,
15-10
RFSBAD,
15-9
,
D-54
RFSBAD register,
15-9
RFSCIR,
15-7
,
D-55
RFSCIR register,
15-7
RFSCON,
15-8
,
D-55
RFSCON register,
15-8
refresh addresses,
15-4
refresh intervals,
15-4
refresh methods,
15-1