IA186EM-PQF100I-R INNOVASIC [InnovASIC, Inc], IA186EM-PQF100I-R Datasheet - Page 41
IA186EM-PQF100I-R
Manufacturer Part Number
IA186EM-PQF100I-R
Description
8/16-Bit Microcontrollers
Manufacturer
INNOVASIC [InnovASIC, Inc]
Datasheet
1.IA186EM-PQF100I-R.pdf
(133 pages)
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IA186EM/IA188EM
8/16-BIT Microcontrollers
Slave Mode
This is a read-only register and such a read supplies the status of the interrupt request bits presented to the
interrupt controller.
When an internal interrupt request (D1, D0, TMR2, TMR1, and TMR0) occurs, the respective bit is set to
1. The internally generated interrupt acknowledge resets these bits.
The REQST register contains 0000h on reset.
PRIMSK (02ah) – PRIority MaSK Register.
Master and Slave Mode
This register contains a value that sets the minimum priority level at which an interrupt can be generated
by a maskable interrupt.
The PRIMSK register contains 0007h on reset
WD (bit 9) – Watchdog Timer Interrupt In-Service Request. This bit is the In-Service state of the
Watchdog Timer.
I [4:0] (bits 8 - 4) Interrupt Requests. Setting any of these bits to 1 indicates that the relevant
interrupt has a pending interrupt.
D1-D0 (bit 3:2) DMA Channel Interrupt In-Service. This bit is the In-Service state of the respective
DMA channel.
Reserved (bit 1)
TMR (bit 0) – Timer Interrupt Request. This is the timer interrupt state and is the logical OR of the
timer interrupt requests. Setting this bit to 1 indicates that the timer control unit has a pending
interrupt.
Reserved (bits 15 – 6)
TMR2 (bit 5) Timer2 Interrupt In Service. Timer 2 is being serviced when this bit is set to 1.
TMR1 (bit 4) Timer1 Interrupt IN Service. Timer 1 is being serviced when this bit is set to 1.
D1-D0 (bit 3:2) DMA Channel Interrupt In Service. The respective DMA channel is being serviced
when this bit is set to 1.
Reserved (bit 1)
TMR0 (bit 0) – Timer Interrupt In Service. Timer 0 is being serviced when this bit is set to 1.
15
3737 Princeton NE, Ste 130 • Albuquerque, NM 87107 • Tel 505.883.5263 • Fax 505.883.5477 • www.Innovasic.com
14
13
12 11
Reserved
10
9
8
7
6
TMR2 TMR1
As of Production Version -03
5
4
D1
3
D0
2
Res TMR0
1
Data Sheet
0
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