ATmega162 - External Memory Interface

Jul 21, 2005 4 Replies
äÏÂÒÙÊ ÄÅÎØ!
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ëÏÎÆÉÇÕÒÉÍ ÓÁÂÖ: /// Configure MCU with Access to External Memory: /// XMEM -bit - Enable #define XMEMEnable (1<<SRE) #define WaitState10 (0<<SRW10)

/// Sector Limit - Lower sector = N/A, Upper sector = 0x1100 - 0xFFFF /// Wait State - Disable #define SectorLimit (0<<SRL2)|(0<<SRL1)|(0<<SRL0)



/// Bus Keeper - Disable /// XMEM High Mask - Full 60 KB space #define HighMask (0<<XMM2)|(0<<XMM1)|(0<<XMM0) #define BusKeeper (0<<XMBK)



éÎÉÔÉÍ: Init SFIOR, HighMask | BusKeeper Init EMCUCR, SectorLimit | WaitState Init MCUCR, WaitState10 | XMEMEnable
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ó Õ×ÁÖÅÎÉÅÍ, P.S.
21 ÉÀÌ 05 13:37, serge polish -> All:

sp> ÐÏÓÌÅ ×ÓÅÇÏ ÜÔÏÇÏ ÄÅÌÁ ÐÏ ÐÉÎÕ ALE ÎÅÐÒÅÒÙ×ÎÏ ÎÁÞÉÎÁÀÔ ÍÁÒÛÉÒÏ×ÁÔØ sp> ËÁËÉÅ-ÔÏ ÐÁÞËÉ ÉÍÐÕÌØÓÏ× Ó ÐÅÒÉÏÄÏÍ 9 ÍËÓ, ÄÌÉÎÁ ÐÁÞËÉ 6 ÍËÓ (ÎÁ åÓÌÉ ×ËÌÀÞÅÎ ÉÎÔÅÒÆÅÊÓ ×ÎÅÛÎÅÊ ÐÁÍÑÔÉ, ÔÏ ÎÁ ALE ÆÏÒÍÉÒÕÀÔÓÑ ÓÔÒÏÂÙ ÐÒÉ ËÁÖÄÏÍ ÏÂÍÅÎÅ Ó ÑÞÅÊËÁÍÉ ÐÁÍÑÔÉ (×ÎÕÔÒÅÎÎÅÊ É ×ÎÅÛÎÅÊ). ôÏÌØËÏ × ÓÌÕÞÁÅ ÏÂÒÁÝÅÎÉÑ Ë ×ÎÕÔÒÅÎÎÅÊ ÐÁÍÑÔÉ ÎÅ ÆÏÒÍÉÒÕÀÔÓÑ RD É WR.

Hello, serge! You wrote to <All>to All on 21 Jul 05 13:37:36:

sp> /// XMEM -bit - Enable sp> #define XMEMEnable (1<<SRE)

÷ÏÔ ËÌÀÞÅ×ÁÑ ÓÔÒÏÞËÁ.

With best regards, . E-mail: snipped-for-privacy@p80.f.n6023.z2.fidonet.org

äÏÂÒÙÊ ÄÅÎØ, Arthur!

AT> åÓÌÉ ×ËÌÀÞÅÎ ÉÎÔÅÒÆÅÊÓ ×ÎÅÛÎÅÊ ÐÁÍÑÔÉ, ÔÏ ÎÁ ALE ÆÏÒÍÉÒÕÀÔÓÑ ÓÔÒÏÂÙ ÐÒÉ AT> ËÁÖÄÏÍ ÏÂÍÅÎÅ Ó ÑÞÅÊËÁÍÉ ÐÁÍÑÔÉ (×ÎÕÔÒÅÎÎÅÊ É ×ÎÅÛÎÅÊ). ôÏÌØËÏ × ÓÌÕÞÁÅ AT> ÏÂÒÁÝÅÎÉÑ Ë ×ÎÕÔÒÅÎÎÅÊ ÐÁÍÑÔÉ ÎÅ ÆÏÒÍÉÒÕÀÔÓÑ RD É WR.

äÁ ×ÓÅ ÂÙ ÏÎÏ ÂÙÌÏ ÎÉÞÅÇÏ, ÅÓÌÉ ÂÙ ÐÒÉ ÜÔÏÍ ÎÅ ÇÒÅÌÓÑ ÐÒÏÃÅÓÓÏÒ...... âÏÌØÛÅ ×ÓÅÇÏ ÍÅÎÑ ÓÍÕÝÁÅÔ ÔÏ, ÞÔÏ ÐÏÒÔ "á" ÎÅ ÕÄÅÒÖÉ×ÁÅÔÓÑ × Z-ÓÏÓÔÏÑÎÉÉ........ ðÌÁÔÕ ÐÒÏ×ÅÒÉÌ - ÏÛÉÂÏË ×ÒÏÄÅ ÎÅÔ....... óÔÒÁÎÎÏ ×ÏÏÂÝÅ ÓÅÂÑ ×ÅÄÅÔ ÜÔÁ ÛÔÕËÁ...... ó Õ×ÁÖÅÎÉÅÍ, P.S.

Fri Jul 22 2005 11:49, Alexander Lavrov wrote to serge polish:

AL> Hello, serge! AL> You wrote to <All>to All on 21 Jul 05 13:37:36:

äÏÂÒÙÊ ÄÅÎØ, Alexander!

sp>> /// XMEM -bit - Enable sp>> #define XMEMEnable (1<<SRE)

AL> ÷ÏÔ ËÌÀÞÅ×ÁÑ ÓÔÒÏÞËÁ. íÙÓÌØ ÈÏÒÏÛÁÑ! HÁÐÉÛÕ: #define XMEMEnable (0<<SRE)

É ÐÏÐÒÏÂÕÀ ÓÍÏÄÅÌÉÒÏ×ÁÔØ ÛÉÎÕ ÐÒÏÇÒÁÍÍÎÏ......... ó Õ×ÁÖÅÎÉÅÍ, P.S.

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