AN983 ETC [List of Unclassifed Manufacturers], AN983 Datasheet - Page 23

• Manufacturer Part Number: AN983
• Description: PCI/miniPCI-to-Ethernet LAN Controller
• Manufacturer: ETC [List of Unclassifed Manufacturers]

R/W: Read and Write able. RO: Read able only.
CR2 (offset = 08h), CC - Class Code and Revision Number
RO: Read Only.
CR3 (offset = 0ch), LT - Latency Timer
19~ 9
8
7
6
5~ 3
2
1
0
Bit #
31~24
23~16
15~ 8
7 ~ 4
3 ~ 0
Bit #
31~16
15~ 8
Rev. 1.8
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CSE
---
CPE
---
CMO
CMSA
CIOSA
Name
BCC
SC
---
RN
SN
Name
---
LT
1: the AN983B provides the PCI management function
0: the AN983B doesn’t provide New Capabilities.
Reserved.
Command of System Error Response
1: enable system error response. AN983B will assert SERR#
When it find a parity error on the address phase.
Reserved.
Command of Parity Error Response
0: disable parity error response. AN983B will ignore any
detected parity error and keep on its operating. Default
value is 0.
1: enable parity error response. AN983B will assert system
error (bit 13 of CSR5) when a parity error is detected.
Reserved.
Command of Master Operation Ability
0: disable the bus master ability.
1: enable the PCI bus master ability. Default value is 1 for
normal operation.
Command of Memory Space Access
0: disable the memory space access ability.
1: enable the memory space access ability.
Command of I/O Space Access
1: enable the I/O space access ability.
0: disable the I/O space access ability.
Descriptions
Base Class Code. It means AN983B is network controller.
Subclass Code. It means AN983B is a Fast Ethernet
Controller.
Reserved.
Revision Number identifies the revision number of AN983B.
Step Number, identifies the AN983B steps within the current
revision.
Descriptions
Reserved.
Latency Timer. This value specifies the latency timer of the
AN983B in units of PCI bus clock. Once the AN983B asserts
FRAME#, the latency timer starts to count. If the latency
AN983B
www.admtek.com.tw
ADMtek Inc.
PCI/miPCI Fast Ethernet Controller with integrated PHY
0
0
0
0
0
Default Val RW Type
02h
00h
01h
01h
Default Val RW Type
0
R/W
R/W
R/W
R/W
R/W
RO
RO
RO
RO
R/W
23