Renesas Asynchronous SH7145F Manuale Utente

APPLICATION NOTEREJ06B0357-0100O/Rev.1.00 March 2004 Page 1 of 17SH7145FAsynchronous Serial Data Transmission/ReceptionSummaryThe SH7144 series is a s

SH7145FAsynchronous Serial Data Transmission/ReceptionREJ06B0357-0100O/Rev.1.00 March 2004 Page 10 of 17RegisterBitSet Value FunctionSMR_1 MP 0 Multip

SH7145FAsynchronous Serial Data Transmission/ReceptionREJ06B0357-0100O/Rev.1.00 March 2004 Page 11 of 175. Flowcharts(1) Main Routinemain()init_sci()r

SH7145FAsynchronous Serial Data Transmission/ReceptionREJ06B0357-0100O/Rev.1.00 March 2004 Page 12 of 17(2) SCI1 Initialize RoutineNoYesCancel SCI1 mo

SH7145FAsynchronous Serial Data Transmission/ReceptionREJ06B0357-0100O/Rev.1.00 March 2004 Page 13 of 17(3) Data Receive RoutineNoYesRead receive data

SH7145FAsynchronous Serial Data Transmission/ReceptionREJ06B0357-0100O/Rev.1.00 March 2004 Page 14 of 176. Program Listing/***************************

SH7145FAsynchronous Serial Data Transmission/ReceptionREJ06B0357-0100O/Rev.1.00 March 2004 Page 15 of 17Function : init_sciOperation : Initialize seri

SH7145FAsynchronous Serial Data Transmission/ReceptionREJ06B0357-0100O/Rev.1.00 March 2004 Page 16 of 17P_SCI1.SSR_1.BIT.RDRF = 0; /* Clear RDRF */tra

SH7145FAsynchronous Serial Data Transmission/ReceptionREJ06B0357-0100O/Rev.1.00 March 2004 Page 17 of 171. These materials are intended as a reference

SH7145FAsynchronous Serial Data Transmission/ReceptionREJ06B0357-0100O/Rev.1.00 March 2004 Page 2 of 171. SpecificationsAs shown in figure 1, asynchro

SH7145FAsynchronous Serial Data Transmission/ReceptionREJ06B0357-0100O/Rev.1.00 March 2004 Page 3 of 172 Functions UsedIn this task example the SCI (S

SH7145FAsynchronous Serial Data Transmission/ReceptionREJ06B0357-0100O/Rev.1.00 March 2004 Page 4 of 17• On-Chip Peripheral Clock PφThis is the refere

SH7145FAsynchronous Serial Data Transmission/ReceptionREJ06B0357-0100O/Rev.1.00 March 2004 Page 5 of 17• Bit Rate Register (BRR_1)This 8-bit register

SH7145FAsynchronous Serial Data Transmission/ReceptionREJ06B0357-0100O/Rev.1.00 March 2004 Page 6 of 173. OperationFigure 3 shows the operation of asy

SH7145FAsynchronous Serial Data Transmission/ReceptionREJ06B0357-0100O/Rev.1.00 March 2004 Page 7 of 17Table 3 ProcessingSoftware Processing Hardware

SH7145FAsynchronous Serial Data Transmission/ReceptionREJ06B0357-0100O/Rev.1.00 March 2004 Page 8 of 174. Software(1) Module DescriptionsTable 4 lists

SH7145FAsynchronous Serial Data Transmission/ReceptionREJ06B0357-0100O/Rev.1.00 March 2004 Page 9 of 17Table 6 On-Chip Register DescriptionsRegisterBi