Rtc module control register – Digi NS9215 User Manual
Page 200
S Y S T E M C O N T R O L M O D U L E
RTC Module Control register
200
Hardware Reference NS9215
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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
Register bit
assignment
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
Bits
Access
Mnemonic
Reset
Description
13
12
11
10
9
8
7
6
5
4
3
2
1
0
15
14
31
29
28
27
26
25
24
23
22
21
20
19
18
17
16
30
Reserved
Reserved
Clk
rdy
int
Standby
mode
Standby
status
Rdy int Int stat
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.