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Motor de Búsqueda de Datasheet de Componentes Electrónicos |
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Motor de Búsqueda de Datasheet de Componentes Electrónicos |
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GMS81C2112 Datasheet(PDF) 68 Page - Hynix Semiconductor |
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GMS81C2112 Datasheet(HTML) 68 Page - Hynix Semiconductor |
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GMS81C2112/GMS81C2120 62 JUNE. 2001 Ver 1.00 14.2 The method of Serial I/O Select transmission/receiving mode Note: When external clock is used, the frequency should be less than 1MHz and recommended duty is 50%. In case of sending mode, write data to be send to SIOR. Set SIOST to “1” to start serial transmission. Note: If both transmission mode is selected and transmis- sion is performed simultaneously it would be made error. The SIO interrupt is generated at the completion of SIO and SIOSF is set to “1”. In SIO interrupt service routine, correct transmission should be tested. In case of receiving mode, the received data is acquired by reading the SIOR. 14.3 The Method to Test Correct Transmission Figure 14-5 Serial Method to Test Transmission Serial I/O Interrupt Service Routine SE = 0 Write SIOM Normal Operation Overrun Error Abnormal SIOSF 0 1 - SE : Interrupt Enable Register Low IENL(Bit3) - SR : Interrupt Request Flag Register Low IRQL(Bit3) SR 0 1 |
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