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FEATURES IN COMMON WITH XA-G3 ....... XA-C3 SPECIFIC FEATURES . . . . . . . . . . . . . . . XA-C3 CAN AND CTL FEATURES ........... LOGIC SYMBOL AND BLOCK DIAGRAM .... UPGRADING XA-G3 DESIGNS TO CAN ...... ORDERING INFORMATION . .. . . . . . . . . .. . . . . 44-Pin PLCC Package.... 44-pin LQFP package .... SPECIAL FUNCTION REGISTERS ........... MEMORY-MAPPED REGISTERS ............ XA-C3 TIMER/COUNTERS .......... Timer o and Timer l . . . . . . New Enhanced Mode 0 ... New Timer-Overflow Toggle Output . . . . . . . . Capture Mode . . . . . . . . Auto-Reload Mode (Up or Down Counter) ....... Baud Rate Generator Mode .... Programmable Clock-Out . . . . . . . . . Watchdog Function . . . . . . Watchdog Control Register (WDCON) ...... Watchdog Detailed Operation . . . . . WDCON Register Bit Definitions . ' ' ' ' ' ' ' Serial Port Control Register . . . . . . . Transmit Interrupt Flag . . . 9-Bit Mode . . . . . . Bypassing Double-Buffering . ' ' ' ' ' ' CLOCKING SCHEME AND BAUD RATE GENERATION Clock Rates forall UART Modes ... Baud Rates for UART Modes o and 2 ....... Baud Rate Calculations for UART Modes o and 2 ... Baud Rates for UART Modes l and 3 ....... Baud Rate Calculations for UART Modes l and 3 ... Baud Rate calculations for UART Mode l and 3: . Using Timer 2 to Generate Baud Rates ..... UART Interrupt Scheme .. Multiprocessor Communications . . . Error Handling, Status Flags and Break Detect . . . Automatic Address Recognition . . . . . . . . . INPUT/OUTPUT PORT PIN CONFIGURATION ....... RST/Pin Properties and Requirements . . . . . . Power-On Reset . . . . . . . . . Other Reset Effects . . . . . .