CS5535 datasheet(519/555 Pages) NSC

519 / 555 page

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GLCP Register Descriptions (Continued)

5.20.2.1

GLCP Clock Disable Delay Value (GLCP_CLK_DIS_DELAY)

This register has bits that, when set, disable clocks.

5.20.2.2

GLCP Clock Mask for Sleep Request (GLCP_PMCLKDISABLE)

MSR Address

51700008h

Type

R/W

Reset Value

00000000_00000000h

GLCP_CLK_DIS_DELAY 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

7654321

RSVD

CLK_DELAY

GLCP_CLK_DIS_DELAY Bit Descriptions

Bit

Name

Description

63:24

RSVD

Reserved.Reads as 0

23:0

CLK_DELAY

Clock Disable Delay. If enabled in GLCP_GLB_PM (MSR 5170000Bh[1] = 1), this field

indicates the period to wait from the assertion of SUSPA# before gating-off clocks speci-

fied in GLCP_PMCLKDISABLE (MSR 51700009h). If this delay is enabled, it overrides or

disables the function of GLCP_CLK4ACK (MSR 51700013h). If GLCP_GLB_PM enable

bit is not set (MSR 5170000Bh[1] = 0), but this register (GLCP_CLK_DIS_DELAY) is non-

zero, then this register behaves as a timeout for the CLK4ACK behavior. Note that this

number is in terms of PCI clock cycles, divided by 16.

MSR Address

51700009h

Type

R/W

Reset Value

00000000_00000000h

GLCP_PMCLKDISABLE 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

7654321

GLCP_PMCLKDISABLE Bit Descriptions

Bit

Name

Description

63:34

RSVD

Reserved

33:0

CLK_DIS

Clock Disable. The bits in this field correspond to the Clock Off (CLK_OFF) bits in

GLCP_CLKOFF (MSR 51700010h). If a bit in this field is set, then the corresponding

CLK_OFF bit will be set when the power management circuitry disables clocks when

entering Sleep. For bit-to-clock correspondences and recommended operational settings

see Table 5-73 on page 518.

CS5535 Datasheet(PDF) 519 Page - National Semiconductor (TI)

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