參數(shù)資料
型號(hào): GL9714-TGGXX
廠商: Genesys Logic, Inc.
英文描述: PCI ExpressTM PIPE x4 PHY
中文描述: 管x4的PCI ExpressTM物理層
文件頁(yè)數(shù): 18/46頁(yè)
文件大?。?/td> 527K
代理商: GL9714-TGGXX
GL9714 PCI Express
TM
PIPE x4 PHY
2004-2007 Genesys Logic Inc. - All rights reserved.
Page 18
CHAPTER 4 REGISTERS
There are some registers built-in the GL9714 for test purpose. These registers can be accessed through a serial
bus interface using pin TESTC and TESTD. Registers at Offset 05h ~ 0Bh are for internal test only. Please be
careful to leave them as default values.
4.1 Registers Base Address
Table 4.1 - Base Address for Registers
Mnemonic
Offset
Description
Default
REVID
00h
Revision ID and Auto-calibration Result Register
8’bxxxx0xxx
XCVROPT
01h
Transceiver Option Register
8’hE9
LPBKTEST
02h
BIST and Beacon/Test Data Pattern Register, Part 1
8’h00
BCNPAT2
03h
Beacon/Test Data Pattern Register, Part 2
8’h03
BCNPAT3
04h
Beacon/Test Data Pattern Register, Part 3
8’hFF
-
05h
For internal test only
-
-
06h
For internal test only
-
-
07h
For internal test only
-
-
08h
For internal test only
-
-
09h
For internal test only
-
-
0Ah
For internal test only
-
-
0Bh
For internal test only
-
BT
0Ch
Buffer Test Register
8’h00
SLCDT
0Dh
Serial Loopback and Comma Detect Test Register
8’h00
Notation:
R/W
Read / Write
R/O
Read Only
W/O
Write Only
R/W1C
Read / Write “1” to Clear
R/W/C
Read / Write and hardware automatic Clear
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