CRD8900A-1 Cirrus Logic Inc, CRD8900A-1 Datasheet - Page 28
CRD8900A-1
Manufacturer Part Number
CRD8900A-1
Description
KIT EVAL FOR CS8900A
Manufacturer
Cirrus Logic Inc
Series
CrystalLAN™r
Datasheet
1.CS8900A-CQZ.pdf
(138 pages)
Specifications of CRD8900A-1
Main Purpose
Interface, Ethernet
Utilized Ic / Part
CS8900A
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Secondary Attributes
-
Embedded
-
Primary Attributes
-
Other names
598-1163
- Current page: 28 of 138
- Download datasheet (2Mb)
8). To exit SW Suspend, the host must write to
the CS8900A’s assigned I/O space (the Write
is only used to wake the CS8900A, the Write
itself is ignored). Upon exit, the CS8900A per-
forms a complete reset, and then goes through
a normal initialization procedure.
Notes: 1. Both HW and HW Suspend take precedence over SW Suspend.
28
(Pin 77)
SLEEP
Low to
High
High
High
Low
Low
Low
Low
Low
(SelfCTL, Bit A)
HWStandbyE
N/A
N/A
N/A
N/A
N/A
1
1
0
CS8900A Configuration
(SelfCTL, Bit 9)
HWSleepE
N/A
N/A
CIRRUS LOGIC PRODUCT DATASHEET
1
1
1
1
0
0
Table 9. Low-Power Mode Operation
(SelfCTL, Bit 8) Link Activity
SWSuspend
N/A
N/A
N/A
0
0
1
0
Any hardware reset takes the chip out of any
sleep mode.
Table 9 summarizes the operation of the three
low-power modes.
Not Present HW Standby mode: 10BASE-T
Present
N/A
N/A
N/A
N/A
N/A
N/A
Crystal LAN™ Ethernet Controller
receiver listens for link activity
HW Standby mode: LANLED low
HW Suspend mode
CS8900A resets and goes through
initialization
Not in low-power mode
SW Suspend mode
SW Suspend mode
Not in low-power mode
CS8900A Operation
CS8900A
DS271F5
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