参数资料
型号: WJLXT971ALE.A4-857346
厂商: CORTINA SYSTEMS INC
元件分类: 网络接口
英文描述: DATACOM, ETHERNET TRANSCEIVER, PQFP64
封装: 10 X 10 MM, 1.40 MM HEIGHT, ROHS COMPLIANT, LQFP-64
文件页数: 69/80页
文件大小: 931K
代理商: WJLXT971ALE.A4-857346
Page 71
Cortina Systems LXT972A Single-Port 10/100 Mbps PHY Transceiver
LXT972A PHY
Datasheet
249186, Revision 5.2
13 September 2007
9.0 Register Definitions -
Product-Specific Registers
9.0
Register Definitions - Product-Specific Registers
This chapter includes definitions of product-specific LXT972A PHY registers that are
defined in accordance with the IEEE 802.3 standard for adding unique device functions.
(For definitions of the IEEE base registers used by the LXT972A PHY, see Section 8.0,
Table 48 lists the register set of the product-specific registers.
Table 49 through Table 55 provide bit descriptions of the product-specific registers
(address 17 through 30).
Table 48
Register Set for Product-Specific Registers
Address
Register Name
Bit Assignments
16
Port Configuration Register
17
Status Register #2
18
Interrupt Enable Register
19
Status Change Register
20
LED Configuration Register
21
Reserved
22-25
Reserved
26
Digital Configuration Register
27
Reserved
28
Reserved
29
Reserved
30
Transmit Control Register
31
Reserved
Table 49
Configuration Register - Address 16, Hex 10 (Sheet 1 of 2)
Bit
Name
Description
Type 1
Default
16.15
Reserved
Write as ‘0’. Ignore on Read.
R/W
0
16.14
Force Link Pass
0 = Normal operation
1 = Force Link pass
R/W
0
16.13
Transmit Disable
0 = Normal operation
1 = Disable Twisted Pair transmitter
R/W
0
16.12
Bypass Scrambler
(100BASE-TX)
0 = Normal operation
1 = Bypass Scrambler and Descrambler
R/W
0
16.11
Reserved
Write as ‘0’. Ignore on Read.
R/W
0
16.10
Jabber
(10BASE-T)
0 = Normal operation
1 = Disable Jabber Correction
R/W
0
16.9
SQE
(10BASE-T)
0 = Disable Heart Beat
1 = Enable Heart Beat
R/W
0
1. R/W = Read /Write
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