CRD8900A-1 Cirrus Logic Inc, CRD8900A-1 Datasheet - Page 103
![no-image](/images/manufacturer_photos/0/1/141/cirrus_logic_inc_sml.jpg)
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: 103 of 138
- Download datasheet (2Mb)
DS271F5
5.6.8 Completing Transmission
When the CS8900A successfully completes
transmitting a frame, it sets the TxOK bit (Reg-
CS8900A
Crystal LAN™ Ethernet Controller
Exit: can't Issue command
Note: Issuing a command
at this point will cause
previous transmit frame
to be lost.
Figure 30. Transmit Operation in Polling Mode
CIRRUS LOGIC PRODUCT DATASHEET
Host Writes Transmit Command
Length to the TxLength Register
Enter Packet Transmit Process
Host Writes Transmit Frame
Yes
to the TxCMD Register
Host Reads the BusST
Exit Transmit Process
Register (Register 18)
CS8900A Commits
Transmits Frame
Transmit Frame
Transmit Frame
Buffer Space to
to CS8900A
Host Writes
Yes
CS8900A
pending?
No
TxNOW
TxCMD
bit = 1?
Rdy4
Is
No
ister 8, TxEvent, Bit 8). If the TxOKiE bit (Reg-
ister 7, TxCFG, bit 8) is set, the CS8900A
generates a corresponding interrupt.
Polling Loop
Transmit Request
103
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