CS8900A-IQ3ZR Cirrus Logic Inc, CS8900A-IQ3ZR Datasheet - Page 103
CS8900A-IQ3ZR
Manufacturer Part Number
CS8900A-IQ3ZR
Description
Ethernet ICs IC 10Mbps Ethernet Controller 3.3V
Manufacturer
Cirrus Logic Inc
Datasheet
1.CS8900A-CQZ.pdf
(138 pages)
Specifications of CS8900A-IQ3ZR
Ethernet Connection Type
10Base- 2, 10Base- 5, 10Base- F, 10Base- T
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
Product
Ethernet Controllers
Standard Supported
IEEE 802.3
Data Rate
10 Mbps
Maximum Operating Temperature
+ 85 C
Package / Case
LQFP-100
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
CS8900A-IQ3ZR
Manufacturer:
Cirrus Logic Inc
Quantity:
10 000
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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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