CS5535 datasheet(236/555 Pages) NSC

236 / 555 page

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236

Revision 0.8

ACC Register Descriptions (Continued)

5.3.1.5

GeodeLink Device Power Management MSR (ACC_GLD_MSR_PM)

5.3.1.6

GeodeLink Device Diagnostic MSR (ACC_GLD_MSR_DIAG)

This register is reserved for internal use by National and should not be written to.

5.3.2

ACC Native Registers

5.3.2.1

Codec GPIO Status Register (ACC_GPIO_STATUS)

MSR Address

51500004h

Type

R/W

Reset Value

00000000_00000000h

ACC_GLD_MSR_PM Register Map

63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32

RSVD

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

RSVD

MODE1

MODE0

ACC_GLD_MSR_PM Bit Descriptions

Bit

Name

Description

63:62

RSVD

Reserved. Reads return value written.

61:32

RSVD

Reserved. Reads return 0.

31:4

RSVD

Reserved. Reads return 0.

3:2

PMODE1

Power Mode 1. Power mode for LBus clock.

00: Disable clock gating. Clocks are always on.

01: Enable active hardware clock gating. Clock goes off whenever the LBus circuits

are not busy.

10: Reserved. 11: Reserved.

1:0

PMODE0

Power Mode 0. Power mode for GLIU clock

00: Disable clock gating. Clocks are always on.

01: Enable active hardware clock gating. Clock goes off whenever the GLIU circuits

are not busy.

10: Reserved. 11: Reserved.

MSR Address

51500005h

Type

R/W

Reset Value

00000000_00000000h

ACC I/O Offset

00h

Type

R/W

Reset Value

00000000h

ACC_GPIO_STATUS Register Map

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

9876543210

RSVD

PIN_STS

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