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參數(shù)資料
型號(hào): W6692
廠商: WINBOND ELECTRONICS CORP
元件分類(lèi): 通信及網(wǎng)絡(luò)
英文描述: PCI Bus ISDN S/T Interface Controller(PCI總線的ISDN S/T接口控制器)
中文描述: SPECIALTY TELECOM CIRCUIT, PQFP100
封裝: 14 X 20 MM, 2.75 MM HEIGHT, QFP-100
文件頁(yè)數(shù): 74/84頁(yè)
文件大小: 473K
代理商: W6692
W6692
- 74 -
The default value is 028000
H
to specify that the W6692 is an ISDN network communication device
,
if
EEPROM is empty.
Bits 7-0 Revision ID Read_only
This value is assigned by the ISDN system manufacturer and identifies the revision number of the
system.
This value is loaded from EEPROM after power on reset, if EEPROM is not empty.
The default value is 00
H,
if EEPROM is empty.
8.4.4 Header Type/Latency Timer Register
Read
Address 0C
H
PCI Configuration Address: 0C
H
Default: 0000 0000
H
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
BIST
Header Type
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Latency Timer
Cache Line Size
Bits 31-24 BIST Built-in Self Test Read_only
This register is always read as 0. It means that W6692 does not support BIST function.
Bits 23-16 Header Type Read_only
The value of this register is 00
H
. This means a signle function device, with header type 00
H
.
Bits 15-8 Latency Timer Read_only
This register is not implemented and is read as 0.
Bits 7-0 Cache Line Size Read_only
This register is not implemented and is read as 0.
8.4.5 Base Address Register 0
Read/Write
Address 10
H
Depending on EEPROM status and MEN, IEN bits in EEPROM, there are different implementations:
MEN
IEN
LOCATION 10H
LOCATION 14H
PRE USED
1
1
Memory Base Address Reg.
IO Base Address Reg.
Yes
1
0
Memory Base Address Reg.
Not Implemented
Yes
0
1
IO Base Address Reg.
Not Implemented
No
0
0
Not Implemented
Not Implemented
No
EEPROM empty
Memory Base Address Reg.
IO Base Address Reg.
PRE = 1
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