Sonic Alert msm85c154hvs Power down mode, 3.1, Special function registers for serial port 101 2.1

4.5.2.5.7 Caution about use of timer counters 0 and 1			90
4.5.2.5.8 Caution about use of timer counters 0 and 1 when setting software
		power down mode	91
4.5.3	Timer/counter 2		92
4.5.3.1		Outline	92
4.5.3.2 Timer 2 control register (T2CON)			92
4.5.3.3 Timer/counter 2 operation modes			93
4.5.3.3.1 16-bit auto reload mode			93
4.5.3.3.2 16-bit capture mode			94
4.5.3.3.3 16-bit baud rate generator mode			95
4.5.3.4 Timer/counter 2 detector circuit			97
4.5.3.4.1 T2(timer/counter 2 external clock detector)			97
4.5.3.4.2 T2EX(timer/counter 2 external flag input detector)			97
4.5.3.5 Timer/counter carry signal detector circuit			98
4.6 Serial Port			99
4.6.1	Outline		99
4.6.2 Special function registers for serial port			101
4.6.2.1		SCON	101
4.6.2.2		SBUF	103
4.6.2.3		TCLK	103
4.6.2.4		RCLK	103
4.6.2.5		SMOD	104
4.6.2.6		SERR	105
4.6.3	Operating modes		106
4.6.3.1		Mode 0	106
4.6.3.1.1 Outline			106
4.6.3.1.2 Mode 0 baud rate			106
4.6.3.1.3 Mode 0 transmit operation			106
4.6.3.1.4 Mode 0 receive operation			106
4.6.3.2 Mode 1			110
4.6.3.2.1 Outline			110
4.6.3.2.2 Mode 1 baud rate			110
4.6.3.2.3 Mode 1 transmit operation			111
4.6.3.2.4 Mode 1 receive operation			111
4.6.3.2.5 Mode 1 UART error detection			112
4.6.3.3		Mode 2	115
4.6.3.3.1 Outline			115
4.6.3.3.2 Mode 2 baud rate			115
4.6.3.3.3 Mode 2 transmit operation			115
4.6.3.3.4 Mode 2 receive operation			115
4.6.3.3.5 Mode 2 UART error detection			116
4.6.3.4		Mode 3	119
4.6.3.4.1 Outline			119
4.6.3.4.2 Mode 3 baud rate			119
4.6.3.4.3 Mode 3 transmit operation			120
4.6.3.4.4 Mode 3 receive operation			120
4.6.3.4.5 Mode 3 UART error detection			121
4.6.4 Serial port application examples			124
4.6.4.1		I/O extension	124