參數(shù)資料
型號： RH56D-PCI
廠商： Electronic Theatre Controls, Inc.
英文描述： MODEM DEVICE FAMILY FOR DESKTOP APPLICATIONS
中文描述： 調(diào)制解調(diào)器設(shè)備家庭桌面應(yīng)用程序
文件頁數(shù)： 53/60頁
文件大小： 357K
代理商： RH56D-PCI
RH56D-PCI Modem Designer’s Guide
1213
Conexant
5-5
Conexant Proprietary Information
5.2 BASE ADDRESS REGISTER
BIF provides a single Base Address Register. The Base Address Register is a 32 bit register that is used to access the BIF
register set. Bits 3:0 are hard-wired to 0 to indicate memory space. Bits 15-4 will be hard-wired to 0. The remaining bits (31 -
16) will be read/write. This specifies that this device requires a 64k byte address space. After reset, the Base Address
Register contains 0x00000000.
The 64k byte address space used by the BIF is divided into 4k-byte regions. Each 4k-byte region is used as Table 5-6.
7DEOH %,) $GGUHVV 0DS
Address
[15:12]
Address
[11:0]
Region Name
Description
0x0
0x1
0x2
0x3
0x4
0x5-0xF
0x0-0xfff
0x0-0xfff
0x0-0xfff
0x0-0xfff
0x0-0xfff
0x0-0xfff
BASIC2 Registers
CIS Memory
DSP Scratch Pad
Reserved
Reserved
Reserved.
Buffers, control, and status registers
Data loaded from Serial EEPROM for Card Bus applications
Access to DSP scratch pad registers
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