參數(shù)資料
型號： MX98715AL
英文描述： SINGLE CHIP FAST ETHERNET NIC CONTROLLER
中文描述： 單晶片快速以太網(wǎng)卡控制器
文件頁數(shù)： 6/32頁
文件大小： 215K
代理商： MX98715AL
6
P/N:PM0537
REV. 1.2, FEB. 24, 1999
MX98715A
5. PROGRAMMONG INTERFACE
5.1 PCI CONFIGURATION REGISTERS:
5.1.1 PCI ID REGISTER ( PFID ) ( Offset 03h-00h )
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Device ID (bit 31:16)
Vendor ID (bit 15:0)
5.1.2 PCI COMMAND AND STATUS REGISTER ( PFCS ) ( Offset 07h-04h )
The bit content will be reset to 0 when a 1 is written to the corresponding bit location.
bit 0 : IO Space Access, set to 1 enable IO access
bit 1 : Memory Space Access, set to 1 to enable memory access
bit 2 : Master Operation, set to 1 to support bus master mode
bit 5-3 : not used
bit 6 : Parity Error Response, set to 1 to enable assertion of CSR<13> bit if parity error detected.
bit 7 : not used
bit 8 : System Error Enable, set to 1 to enable SERR# when parity error is detected on address lines and CBE[3:0].
bit 20 : New capability. Set to support PCI power management.
bit 22-bit19 : not used
bit 23 : Fast Back-to back, always set to accept fast back-to-back transactions that are not sent to the same bus
device.
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Detect Party Error
Signal System Error
Data Parity Report
Fast Back-to-back
New Capability
System Error Enable
Parity Error Response
Master Operation
Memory Space Access
IO Space Access
Receive Master Abort
Receive Target Abort
Deceive Select Timing
This register can be loaded from external serial EEPROM or use a MXIC preset value of "10D9" and "0531" for
vendor ID and device ID respectively. Word location 3Eh and 3Dh in serial EEPROM are used to configure customer's
vendor ID and device ID respectively. If location 3Eh contains"FFFF" value then MXIC'svendor ID and device ID will
be set in this register, otherwise both 3Eh and 3Dh will be loaded into this register from serial EEPROM.
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