Download Am186EM and Am188EM User`s Manual
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E Timer 2 Mode/Control Register 8-5 InService Register E bit (Enable RCU) 6-2 description EN bit (Enable Bit) Master mode 7-22 Slave mode 7-32 Timer 0 Mode/Control Register 8-3 Timer 1 Mode/Control Register 8-3 Instruction exceptions 7-3 Timer 2 Mode/Control Register 8-5 INT bit (Interrupt Bit) EN bit (Enable PowerSave Mode) 4-7 Timer 0 Mode/Control Register 8-3 Enable RCU Register Timer 1 Mode/Control Register 8-3 description 6-2 Timer 2 Mode/Control Register 8-5 Endofinterrupt processing 7-11 INT0 Control Register EndofInterrupt Register description description Master mode 7-13 Master mode 7-27 INT0 signal (Maskable Interrupt Request 0) EOI 7-11 definition 3-5 EX bit (Pin Selector) 5-11 INT1 Control Register EXT bit (External Clock Bit) description Timer 0 Mode/Control Register 8-4 Master mode 7-13 Timer 1 Mode/Control Register 8-4 INT1 signal (Maskable Interrupt Request 1) External interrupt acknowledge bus cycles table 7-7 definition 3-5 INT2 Control Register description F Master mode 7-15 F2-F0 field (Clock Divisor Select) 4-7 INT2 signal (Maskable Interrupt Request 2) FER bit (Framing Error) 10-4 definition 3-5 Figure INT3 Control Register external interrupt acknowledge bus cycles 7-7 description Fully nested mode interrupt controller connections 7-9 Fully nested mode 7-9 Fully nested mode interrupt controller connections 7-9 Master mode 7-15 INT3 signal (Maskable Interrupt Request 3) definition 3-6 INT4 Control Register description H HLDA signal (Bus Hold Acknowledge) definition 3-4 HOLD signal (Bus Hold Request) definition 3-4 I Master mode 7-16 INT4 signal (Maskable Interrupt Request 4) definition 3-6 INTA0 signal (Interrupt Acknowledge 0) definition 3-5 INTA1 signal (Interrupt Acknowledge 1) definition 3-6 Interrupt acknowledge 7-7 I4-I0 field (Interrupt InService) 7-22 Interrupt conditions and sequence 7-4 I4-I0 field (Interrupt Mask) 7-24 Interrupt control unit 7-1 I4-I0 field (Interrupt Requests) 7-21 Interrupt controller registers IF (the interrupt enable flag) 7-2 master mode 7-12 INH bit (Inhibit Bit) slave mode 7-28 I-4 Timer 0 Mode/Control Register 8-3 Interrupt controller reset conditions 7-8 Timer 1 Mode/Control Register 8-3 Interrupt enable flag (IF) 7-2 Index