AT91M40400-25C ATMEL Corporation, AT91M40400-25C Datasheet - Page 111

• Manufacturer Part Number: AT91M40400-25C
• Description: 16/32-bit Microcontroller, 2.7V to 3.6V Operating Range
• Manufacturer: ATMEL Corporation

PS: Power Saving
The AT91M40400 Power Saving module provides a low-
power Idle Mode. In Idle Mode, the CPU clock is deacti-
vated while all on-chip peripherals and the RAM remain
active. The contents of the on-chip RAM and all the special
function registers remain unchanged during this mode. The
Idle Mode can be terminated by any enabled interrupt or by
a hardware Reset.
PS User Interface
Base Address:
Table 13. Power Saving Memory Map
PS Control Register
Name:
Access Type:
•
CPU: CPU Clock Disable
0 = No effect.
1 = Disables the CPU clock.
The CPU clock is re-enabled by any enabled interrupt or by a hardware Reset.
31
23
15
---
---
---
---
Offset
7
0x00
Register
Control Register
30
22
14
0xFFFF4000
PS_CR
Write only
---
---
---
---
6
29
21
13
---
---
---
---
5
28
20
12
---
---
---
---
4
27
19
11
---
---
---
---
3
PS_CR
Name
26
18
10
---
---
---
---
2
Write only
Access
AT91M40400
25
17
---
---
---
---
9
1
Reset State
0
CPU
24
16
---
---
---
8
0
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