cs5535 National Semiconductor Corporation, cs5535 Datasheet - Page 269

• Manufacturer Part Number: cs5535
• Description: Geode Cs5535 Companion Multi-function South Bridge
• Manufacturer: National Semiconductor Corporation

Revision 0.8
USB Register Descriptions
5.5.1.6
MSR Address
Type
Reset Value
This register is reserved for internal use by National and should not be written to.
5.5.2
5.5.2.1
MSR Address
Type
Reset Value
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
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
63:18
Bit
3:2
1:0
Bit
17
USB Specific MSRs
GeodeLink Device Diagnostic MSR (USBC_GLD_MSR_DIAG)
USB Transceiver Control (USBC_XCVR_CNTRL)
Name
PMODE1
PMODE0
Name
RSVD
XCEIV2_PM
USBC1: 51600005h
USBC2: 51200005h
R/W
00000000_00000000h
USBC1: 51600008h
USBC2: 51200008h
R/W
00000000_00020100h
RSVD
Description
Power Mode 1. Controls clock behavior for the USB PCI Adapter
00: Disable clock gating. Clocks are always on.
01: Enable active hardware clock gating. Clock goes off whenever this module’s circuits
10: Reserved.
11: Reserved.
Power Mode 0. Controls clock behavior for the USB GeodeLink Adapter
00: Disable clock gating. Clocks are always on.
01: Enable active hardware clock gating. Clock goes off whenever this module’s circuits
10: Reserved.
11: Reserved.
Description
Reserved. Read as 0.
Transceiver 2 Power Management Bit. Disables transceiver #2 and puts the trans-
ceiver in a low power state.
0: Enable transceiver.
1: Disable transceiver.
are not busy.
are not busy.
USBC_GLD_MSR_PM Bit Descriptions
(Continued)
USBC_XCVR_CNTRL Register Map
USBC_XCVR Bit Description
RSVD
RCVR2
269
_VADJ
XMIT2_CADJ
9
8
7
RCVR1
_VADJ
6
5
4
XMIT1_CADJ
3
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2
1
0