參數資料
型號: UPD70F3134AGJ-UEN
廠商: NEC Corp.
英文描述: 32-Bit Single-Chip Microcontrollers
中文描述: 32位單芯片微控制器
文件頁數: 82/99頁
文件大?。?/td> 528K
代理商: UPD70F3134AGJ-UEN
CHAPTER 5 APPLICATION EXAMPLES
Application Note U17121EJ1V1AN
82
// when Parity Error is detected.
// bit 2 : Bus Master = 1b : Enable PCI Bus Master transfer
// bit 0 : IO Space = 1b : Enable IO access to PCI-IDE ASIC board
PCI_ConfigWrite(ConfigAddress, ConfigData);
////////////////////////////
// Setting DES to disable //
////////////////////////////
ConfigAddress = 0x40000058;
// bit 31-11 : IDSEL specification = 010000000000000000000b
// Select PCI device connected to AD30
// bit 10-08 : Function number = 00b
// bit 07-02 : Register number = 22 (010110b),
// -> IDE Bus Master Control
// (In the case of PCI-IDE ASIC board used in this application)
// bit 01-00 : 00b (fixed)
// IDE Bus Master Control
// Disable DES (Set bit16 des_on to 0)
ConfigData = PCI_ConfigRead(ConfigAddress);
PCI_ConfigWrite(ConfigAddress, ConfigData & 0xFFFEFFFF);
///////////////////////////////////////////
// Setting of Interrupt Control register //
///////////////////////////////////////////
*IDEREG_INTERRUPT_CONTROL &= 0xFFFCFFFF;
// bit 17 : PCI Bus Master End Interrupt Mask = 0b (Interrupt enabled)
// bit 16 : PCI I/F Interrupt Mask = 0b (Interrupt enabled)
////////////////////////////////////////
// Setting of Device Command register //
////////////////////////////////////////
*IDEREG_DEVICE_CONTROL = 0x00;
// bit 2 : nIEN = 0b (Set INTRQ signal to enable)
///////////////////
// IDE Bus reset //
///////////////////
ConfigAddress = 0x40000044;
// bit 31-11 : IDSEL specification = 010000000000000000000b
// Select PCI device connected to AD30
// bit 10-08 : Function number = 00b
// bit 07-02 : Register number = 17 (010001b),
// -> IDE Reset Register
// (In the case of PCI-IDE ASIC board used in this application)
// bit 01-00 : 00b (fixed)
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