参数资料
型号: S5933QE
厂商: APPLIEDMICRO INC
元件分类: 总线控制器
英文描述: PCI BUS CONTROLLER, PQFP160
封装: PLASTIC, QFP-160
文件页数: 87/176页
文件大小: 823K
代理商: S5933QE
3-26
S5933
PCI CONFIGURATION REGISTERS
DEVICE IDENTIFICATION REGISTER (DID)
Register Name:
Device Identification
Address Offset:
02h-03h
Power-up value:
4750h (ASCII hex for ‘GP’,
General Purpose)
Boot-load:
External nvRAM offset
042h-43h
Attribute:
Read Only
Size:
16 bits
The DID register contains the vendor-assigned de-
vice identification number. This number is generated
by AMCC in compliance with the conditions of the
PCI specification. Write operations from the PCI in-
terface have no effect on this register. After reset is
removed, this field can be boot-loaded from the ex-
ternal non-volatile device (if present and valid) so that
other legitimate PCI SIG members can substitute
their own device identification number for this field.
15
0
Device Identification Register (RO)
4750h
Figure 2. Device Identification Register
Bit
Description
Table 3. Device Identification Register
15:0
Device Identification Number: This is a 16-bit value initially assigned by AMCC for applications
using the AMCC Vendor ID.
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