12 power manager register locations – Intel PXA26X User Manual

Page 100

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3-34

Intel® PXA26x Processor Family Developer’s Manual

Clocks and Power Manager

3.5.12

Power Manager Register Locations

Table 3-20

shows the registers associated with the power manager and the physical addresses used

to access them.

.

Table 3-19. RCSR Bit Definitions

0x40F0_0030

RCSR

Clocks and Power Manager

Bit

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9

8

7

6

5

4

3

2

1

0

Re

s

e

rv

e

d

GP

R

SM

R

WD

R

HW

R

Reset

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

1

[31:4]

Reserved

3

GPR

GPIO RESET:

0 – GPIO reset has not occurred since the last time the CPU or hardware reset cleared

this bit.

1 – GPIO reset has occurred since the last time the CPU or hardware reset cleared this

bit.

Cleared by hardware reset and by setting to a 1.

2

SMR

SLEEP MODE:

0 – Sleep mode has not occurred since the last time the CPU or hardware reset cleared

this bit.

1 – Sleep mode has occurred since the last time the CPU or hardware reset cleared this

bit.

Cleared by hardware reset and by setting to a 1.

1

WDR

WATCHDOG RESET:

0 – Watchdog reset has not occurred since the last time the CPU or hardware reset

cleared this bit.

1 – Watchdog reset has occurred since the last time the CPU or hardware reset cleared

this bit.

Cleared by hardware reset and by setting to a 1.

0

HWR

HARDWARE RESET:

0 – Hardware reset has not occurred since the last time the CPU cleared this bit.

1 – Hardware reset has occurred since the last time the CPU cleared this bit.

Set by hardware reset. Cleared by setting to a 1.

Table 3-20. Power Manager Register Locations (Sheet 1 of 2)

Address

Name

Description

0x40F0 0000

PMCR

Power Manager Control Register

0x40F0 0004

PSSR

Power Manager Sleep Status Register

0x40F0 0008

PSPR

Power Manager Scratch Pad Register

0x40F0 000C

PWER

Power Manager Wake-up Enable Register

0x40F0 0010

PRER

Power Manager GPIO Rising-edge Detect Enable Register

0x40F0 0014

PFER

Power Manager GPIO Falling-edge Detect Enable Register

0x40F0 0018

PEDR

Power Manager GPIO Edge Detect Status Register

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