ROHS MC9S08QE128 - Page 15

MC9S08QE128 MCU Series Reference Manual, Rev. 2
16 Freescale Semiconductor
Section Number Title Page
14.2.2 SCI Control Register 1 (SCIxC1) ...................................................................................254
14.2.3 SCI Control Register 2 (SCIxC2) ...................................................................................255
14.2.4 SCI Status Register 1 (SCIxS1) ......................................................................................256
14.2.5 SCI Status Register 2 (SCIxS2) ......................................................................................258
14.2.6 SCI Control Register 3 (SCIxC3) ...................................................................................259
14.2.7 SCI Data Register (SCIxD) .............................................................................................260
14.3 Functional Description ..................................................................................................................260
14.3.1 Baud Rate Generation .....................................................................................................260
14.3.2 Transmitter Functional Description ................................................................................261
14.3.3 Receiver Functional Description .....................................................................................262
14.3.4 Interrupts and Status Flags ..............................................................................................264
14.3.5 Additional SCI Functions ...............................................................................................265
Chapter 15
Serial Peripheral Interface (S08SPIV3)
15.1 Introduction ...................................................................................................................................267
15.1.1 SPI Clock Gating ............................................................................................................267
15.1.2 Interrupt Vector ...............................................................................................................267
15.1.3 Features ...........................................................................................................................269
15.1.4 Block Diagrams ..............................................................................................................269
15.1.5 SPI Baud Rate Generation ..............................................................................................271
15.2 External Signal Description ..........................................................................................................272
15.2.1 SPSCK — SPI Serial Clock ............................................................................................272
15.2.2 MOSI — Master Data Out, Slave Data In ......................................................................272
15.2.3 MISO — Master Data In, Slave Data Out ......................................................................272
15.2.4
SS — Slave Select ...........................................................................................................272
15.3 Modes of Operation .......................................................................................................................273
15.3.1 SPI in Stop Modes ..........................................................................................................273
15.4 Register Definition ........................................................................................................................273
15.4.1 SPI Control Register 1 (SPIxC1) ....................................................................................273
15.4.2 SPI Control Register 2 (SPIxC2) ....................................................................................274
15.4.3 SPI Baud Rate Register (SPIxBR) ..................................................................................275
15.4.4 SPI Status Register (SPIxS) ............................................................................................276
15.4.5 SPI Data Register (SPIxD) ..............................................................................................277
15.5 Functional Description ..................................................................................................................278
15.5.1 SPI Clock Formats ..........................................................................................................278
15.5.2 SPI Interrupts ..................................................................................................................281
15.5.3 Mode Fault Detection .....................................................................................................281
Chapter 16
Timer/Pulse-Width Modulator (S08TPMV3)
16.1 Introduction ...................................................................................................................................283