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UPD703103A Datasheet(PDF) 40 Page - NEC

No. de Pieza. UPD703103A
Descripción  32-Bit Single-Chip Microcontrollers
Descarga  99 Pages
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Fabricante  NEC [NEC]
Página de inicio  http://www.nec.com/
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UPD703103A Datasheet(HTML) 40 Page - NEC

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CHAPTER 3 SPECIFICATIONS OF PCI HOST BRIDGE MACRO
Application Note U17121EJ1V1AN
40
3.4.7 PCI_ERR_ADD register
The PCI_ERR_ADD register retains the PCI bus address when the following errors occur.
• System error (SERR# reception)
• Parity error (PERR# reception)
• Master abort
• Target abort
When the PCI_ERR_ADD register is read, all the bits are cleared. Once an error occurs and a value is set to the
PCI_ERR_ADD register, the first value is retained until read access is performed or a new error occurs and the value
is updated.
This function is used only for debugging and is not used in normal operation.
After reset: 00000000H
R
Offset address: 1CH
31
0
ERR_ADR
Bit Name
R/W
Function
ERR_ADR
R
Retains the address when a PCI bus error occurs.


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