S E R I A L C O N T RO L M O D U L E : U A RT

. .

 

 

 

 

 

 

 

 

 

 

 

Interrupt Enable register..

 

 

 

 

 

 

.

 

 

 

 

 

 

Bits

Access

Mnemonic

Reset

Description

 

 

 

 

 

RS485 transceiver deassertion control

 

D03:02

R/W

RS485OFF

00

 

 

 

 

 

In bit times after the stop bit period

 

 

 

 

 

00

0

 

 

 

 

 

01

1

 

 

 

 

 

10

1.5

 

 

 

 

 

11

2

 

 

 

 

 

 

 

D01:00

R/W

RS485ON

00

RS485 transceiver assertion control

 

 

 

 

 

In bit times before the falling edge of the start bit

 

 

 

 

 

00

0

 

 

 

 

 

01

1

 

 

 

 

 

10

1.5

 

 

 

 

 

11

2

 

 

 

 

 

 

 

 

I n t e r r u p t E n a b l e r e g i s t e r

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Address: 9001_1004 / 9001_9004 / 9002_1004 / 9002_9004

Use the Interrupt Enable register to enable interrupt generation on specific events. Enable the interrupt by writing a 1 to the appropriate bit field(s).

Register

31

30

29

28

27

26

25

24

23

22

21

20

19

18

17

16

Not used

Reser

FORCE

OFLOW

PARITY

FRA

BREA

ME

ved

 

 

 

K

 

 

 

 

 

 

 

 

 

 

 

 

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

BGAP

RXCLS

CGAP

MATCH

MATCH

MATCH

MATCH

MATCH

DSR

DCD

CTS

 

 

 

4

3

2

1

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RI

TBC

RBC

TX_

RX_

IDLE

IDLE

 

 

 

 

 

 

 

 

 

 

 

 

 

Register bit

assignment

Bits

Access

Mnemonic

Reset

Description

 

 

 

 

 

 

 

D31:22

R/W

Not used

0

Write this field to 0.

 

 

 

 

 

 

 

D21

R/W

Reserved

0

Always write to 0.

 

 

 

 

 

 

 

D20

R/W

FORCE

0

Enable force complete

 

 

 

 

 

Enables interrupt generation when a force character

 

 

 

 

 

transmission operation has completed.

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Digi NS9215 manual T e r r u p t E n a b l e r e g i s t e r, RS485 transceiver deassertion control, Enable force complete

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