CS5535 datasheet(523/555 Pages) NSC

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GLCP Register Descriptions (Continued)

5.20.2.10 GLCP Clock Active Mask for Suspend Acknowledge (GLCP_CLK4ACK)

This register has bits that correspond to the Clock Active (CLK_ACT) bits in GLCP_CLKACTIVE (MSR 51700011h). If the

bit in GLCP_CLK4ACK is set, then the SUSPA# signal will not go low unless all the marked clocks are inactive.

5.20.2.11 GLCP System Reset Control (GLCP_SYS_RST)

Writing 1 to the CHIP_RESET bit creates a chip-wide reset and in turn, resets this register. Writing this register with the

CHIP_RESET bit set will never send a write-response over the GLIU Interface (this allows halting bus traffic before the

reset occurs).

MSR Address

51700013h

Type

R/W

Reset Value

00000000_00000000h

GLCP_CLK4ACK 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_CLK4ACK Bit Descriptions

Bit

Name

Description

63:34

RSVD

Reserved

33:0

CLKACT_EN_SLP

Clock Active Enable for Sleep. A 1 in any bit position indicates the corresponding

clock is to be monitored during a power management Sleep operation. When all the

clocks with associated 1s become inactive, the GLCP sends a Suspend Acknowledge

(SUSPA#) to the power management logic to begin the transition to the Sleep state. Use

of this register during Sleep sequences requires the CLK_DLY_EN bit (MSR

5170000Bh[1]) to be 0. For bit-to-clock correspondences and recommended operational

settings see Table 5-73 on page 518.

MSR Address

51700014h

Type

R/W

Reset Value

00000000_00000000h

GLCP_SYS_RST 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

GLCP_SYS_RST Bit Descriptions

Bit

Name

Description

63:24

RSVD

Reserved. Reads as 0.

23:1

RSVD

Reserved. These bits can be read/written but should not be used; write to 0.

CS5535 Datasheet(PDF) 523 Page - National Semiconductor (TI)

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