MOTOROLA
v
MC68HC11G5
TABLE OF CONTENTS (Continued)
Paragraph
Number
Page
Number
Title
Section 7
Serial Communications Interface
7.1
7.1.1
7.1.2
7.1.3
7.2
7.3
7.4
7.4.1
7.4.2
7.5
7.6
7.7
7.8
7.8.1
7.8.2
7.8.3
7.8.4
7.8.5
Overview and Features ................................................................................
SCI Two-wire System Features:.............................................................
SCI Receiver Features ...........................................................................
SCI Transmitter Features .......................................................................
Functional Description .................................................................................
Data Format .................................................................................................
Receiver Wake-up Operation.......................................................................
Idle Line Wake-up ..................................................................................
Address Mark Wake-up ..........................................................................
Receive Data (RXD).....................................................................................
Start Bit Detection ........................................................................................
Transmit Data (TXD) ....................................................................................
SCI Registers ...............................................................................................
Serial Communications Data Register (SCDAT)....................................
Serial Communications Control Register 1 (SCCR1) .............................
Serial Communications Control Register 2 (SCCR2) .............................
Serial Communications Status Register (SCSR) ...................................
Baud Rate Register (BAUD)...................................................................
7-1
7-1
7-1
7-2
7-2
7-4
7-4
7-5
7-5
7-5
7-6
7-8
7-8
7-8
7-8
7-9
7-11
7-12
Section 8
Serial Peripheral Interface
8.1
8.2
8.2.1
8.2.2
8.2.3
8.2.4
8.3
8.4
8.4.1
8.4.2
8.4.3
Overview and Features ................................................................................
SPI Signal Descriptions ...............................................................................
Master In Slave Out (MISO) ...................................................................
Master Out Slave In (MOSI) ...................................................................
Serial Clock (SCK) .................................................................................
Slave Select (SS) ...................................................................................
Functional Description .................................................................................
SPI Registers ...............................................................................................
Control Register (SPCR) ........................................................................
Status Register (SPSR)..........................................................................
Data I/O Register (SPDAT) ....................................................................
8-1
8-1
8-2
8-2
8-2
8-3
8-4
8-5
8-5
8-7
8-8