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參數資料
型號: W6692
廠商: WINBOND ELECTRONICS CORP
元件分類: 通信及網絡
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
文件頁數: 75/84頁
文件大小: 473K
代理商: W6692
W6692
Publication Release Date: October 1998
- 75 -
Revision A1
If EEPROM is empty, the power on reset value at 10
H
= 0000 0008
H
, and the power on reset value at
14
H
= 0000 0001
H
Memory Base Adress Register:
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
Memory Base Address
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Memory Base Address
Hardwired to 0
PRE
Type
0
This register can be used to relocate memory address space to any location that is aligned to 4K
bytes for mapping W6692's internal registers.
Bits 31-12 Memory Base Address R/W
These bits are read/write and are used to relocate the memory address space at 4K byte boundary.
Bits 11-4 Read_only
These bits are read_only and are hardwired to 0
.
Bit 3 Prefetchable Read_only
This bit is hardwred to 1, if EEPROM is empty, otherwise, it is loaded from EEPROM.
Bits 2-1 Type Read_only
These two bits are hardwired to 00, indicating the memory range can locate anywhere in 32 bit
address space.
Bit 0 Memory Space Indicator Read_only
This bit is hardwired to 0, indicating a memory space is allocated.
IO Base Address Register:
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
I/O Base Address
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
I/O Base Address
Hardwired to 0
0
1
This register can be used to relocate I/O address space to any location that is aligned to 256 bytes for
mapping W6692's internal registers.
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