ucb1500 NXP Semiconductors, ucb1500 Datasheet - Page 40

• Manufacturer Part Number: ucb1500
• Description: Pci To Ac97 Bridge/host Controller
• Manufacturer: NXP Semiconductors

Philips Semiconductors
9397 750 07443
Product specification
8.6.20 [d8]: AC97 wake-up enable register
8.6.21 [d9]: AC97 wake-up status register
This register is powered by V
Table 61: AC97 wake-up enable register bit description
This register is powered by V
Table 62: AC97 wake-up status register bit description
Bit
15-12
11-1
7
6
5-0
Bit
15-12
11-8
7
6
5-0
Description
Reserved.
Reserved.
AC97 Channel #0 wake-up enable
Write “1” to enable wake-up on AC97 SDATAIN[0] active on channel #0. If “1”, a
LOW-to-HIGH transition of SDATAIN[0] will:
Subsequent clearing of Function 0 PME Status is independent of clearing of
AC97 Channel #0 wake-up status.
AC97 Channel #1 wake-up enable
Write “1” to enable wake-up on AC97 SDATAIN[1] active on channel #1. If “1”, a
LOW-to-HIGH transition of SDATAIN[1] will:
Subsequent clearing of Function 1 PME Status is independent of clearing of
AC97 Channel #1 wake-up status.
Reserved.
Description
Reserved.
Reserved.
AC97 Channel #0 wake-up status
1 = AC97 channel #0 wake-up event occurred. Write “1” to clear. This status bit is
set if a LOW-to-HIGH transition occurs in SDATAIN[0] and AC97 Channel #0
wake-up enable of register d8h is set.
AC97 Channel #1 wake-up status
1 = AC97 channel #1 wake-up event occurred. Write “1” to clear. This status bit is
set if a LOW-to-HIGH transition occurs in SDATAIN[1] and AC97 Channel #1
wake-up enable of register d8h is set.
Reserved.
•
•
•
•
set AC97 Channel #0 wake-up status to “1”.
set PME Status of Function 0 PCI configuration register 84h to “1”.
set AC97 Channel #1 wake-up status to “1”.
set PME Status of Function 1 PCI configuration register 84h to “1”.
Rev. 03 — 7 July 2000
aux
aux
and sticky.
and sticky.
PCI to AC97 bridge/host controller
© Philips Electronics N.V. 2000. All rights reserved.
UCB1500
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