S Y S T E M C O N T RO L M O D U L E

RTC Module Control register

Bits

Access

Mnemonic

Reset

Description

 

 

 

 

 

D01

R/W

PLTY

0x0

Polarity

 

 

 

 

0

If level-sensitive, the input source is active high.

 

 

 

 

 

If edge-sensitive, generate an interrupt on the rising

 

 

 

 

 

edge of the external interrupt.

 

 

 

 

1

If level-sensitive, the input source is active low. The

 

 

 

 

 

level is inverted before sending to the interrupt

 

 

 

 

 

controller.

 

 

 

 

 

If edge-sensitive, generate an interrupt on the falling

 

 

 

 

 

edge of the external interrupt.

 

 

 

 

 

D00

R/W

LVEDG

0x0

Level edge

 

 

 

 

0

Level-sensitive interrupt

 

 

 

 

1

Edge-sensitive interrupt

 

 

 

 

 

 

R T C M o d u l e C o n t r o l r e g i s t e r

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

Address: A090 0224

The RTC Module Control register controls the RTC module.

Register

31

30

29

28

27

26

25

24

23

22

21

20

19

18

17

16

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Reserved

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Standby

Rdy int

Int stat

Standby

Clk

 

 

 

 

 

Reserved

 

 

 

 

rdy

 

 

 

 

 

 

 

 

 

 

 

status

 

 

mode

int

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Register bit

assignment

Bits

Access

Mnemonic

Reset

Description

 

 

 

 

 

 

 

 

D31:05

N/A

Reserved

N/A

N/A

 

 

 

 

 

 

 

 

D04

R

Standby status

0x0

RTC standby mode status

 

 

 

 

 

0

RTC module is in standby mode and cannot be

 

 

 

 

 

 

accessed by the CPU.

 

 

 

 

 

1

RTC module is not in standby mode and can be

 

 

 

 

 

 

accessed by the CPU.

200Hardware Reference NS9215

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Image 200
Digi NS9215 C M o d u l e C o n t r o l r e g i s t e r, RTC Module Control register controls the RTC module, Polarity

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