Interrupts
7-4
Am186™CC/CH/CU Microcontrollers User’s Manual
.
7.4
REGISTERS
Table 7-2 lists the registers used by the microcontroller for interrupts. In addition, the IF flag
in the Processor Status Flags (FLAGS) processor register is used to enable or disable
interrupts (see “Registers Used” on page 7-18). Appendix A summarizes the bits in all the
registers. For a complete description of all the peripheral registers, see the
Am186™CC/
CH/CU Microcontrollers Register Set Manual, order #21916.
Table 7-1
Interrupt Multiplexed Signals
Signal
Multiplexed
Signal(s)
Default
Signal
Function
INT0
—
INT0
Maskable interrupt requests
INT1
—
INT1
INT2
—
INT2
INT3
—
INT3
INT4
—
INT4
INT5
—
INT5
INT6
PIO19
1
Notes:
1. For information about using PIOs as external interrupt sources, see “PIOs as
Interrupts” on page 7-18.
PIO19
INT7
PWD
2
, PIO7
2. Selected by setting the PWD bit in the SYSCON register.
PIO7
INT8
PIO6
PIO5
RAS1, MCS3
RAS1
PIO15
WR
WR
PIO27
TMRIN0
PIO27
PIO29
DT/R
DT/R
PIO30
DEN/DS
DEN
PIO33
ALE
ALE
PIO34
BHE, ADEN
BHE
PIO35
SRDY
SRDY
NMI
—
NMI
Nonmaskable interrupt
Содержание Am186 CC
Страница 1: ...Am186 CC CH CU Microcontrollers User s Manual Order 21914B...
Страница 4: ...iv Am186 CC CH CU Microcontrollers User s Manual...
Страница 18: ...Table of Contents xviii Am186 CC CH CU Microcontrollers User s Manual...
Страница 24: ...Introduction xxiv Am186 CC CH CU Microcontrollers User s Manual...
Страница 39: ...Architectural Overview Am186 CC CH CU Microcontrollers User s Manual 1 15 Figure 1 6 32 Channel Linecard CH CC...
Страница 40: ...Architectural Overview 1 16 Am186 CC CH CU Microcontrollers User s Manual...
Страница 86: ...System Overview 3 36 Am186 CC CH CU Microcontrollers User s Manual...
Страница 92: ...Emulator Support 4 6 Am186 CC CH CU Microcontrollers User s Manual...
Страница 112: ...DRAM Controller 6 8 Am186 CC CH CU Microcontrollers User s Manual...
Страница 134: ...Interrupts 7 22 Am186 CC CH CU Microcontrollers User s Manual...
Страница 186: ...Programmable I O Signals 9 8 Am186 CC CH CU Microcontrollers User s Manual...
Страница 200: ...Watchdog Timer 11 6 Am186 CC CH CU Microcontrollers User s Manual...
Страница 232: ...Asynchronous Serial Ports UARTs 13 24 Am186 CC CH CU Microcontrollers User s Manual...
Страница 242: ...Synchronous Serial Port SSI 14 10 Am186 CC CH CU Microcontrollers User s Manual...
Страница 264: ...High Level Data Link Control HDLC 15 22 Am186 CC CH CU Microcontrollers User s Manual...
Страница 332: ...Universal Serial Bus USB 18 34 Am186 CC CH CU Microcontrollers User s Manual...
Страница 348: ...Register Summary A 16 Am186 CC CH CU Microcontrollers User s Manual...
Страница 376: ...Index Index 18 Am186 CC CH CU Microcontrollers User s Manual...