MC68HC11KW1
MOTOROLA
v
TABLE OF CONTENTS
Paragraph
Number
Page
Number
TITLE
6.4.2
6.5
6.5.1
6.6
6.6.1
6.6.2
6.7
6.7.1
6.7.2
6.7.3
6.8
6.8.1
6.8.2
6.9
6.9.1
6.9.2
6.10
6.10.1
6.10.2
6.11
6.11.1
6.12
6.12.1
6.12.2
DDRD — Data direction register for port D......................................................6-5
Port E.....................................................................................................................6-6
PORTE — Port E data register........................................................................6-6
Port F.....................................................................................................................6-7
PORTF — Port F data register.........................................................................6-7
DDRF — Data direction register for port F.......................................................6-7
Port G ....................................................................................................................6-8
PORTG — Port G data register .......................................................................6-8
DDRG — Data direction register for port G .....................................................6-9
PGAR — Port G assignment register ..............................................................6-9
Port H.....................................................................................................................6-10
PORTH — Port H data register........................................................................6-10
DDRH — Data direction register for port H......................................................6-10
Port J .....................................................................................................................6-11
PORTJ — Port J data register .........................................................................6-11
DDRJ — Data direction register for port J .......................................................6-11
Port K.....................................................................................................................6-12
PORTK — Port K data register........................................................................6-12
DDRK — Data direction register for port K......................................................6-12
Internal pull-up resistors........................................................................................6-13
PPAR — Port pull-up assignment register .......................................................6-13
System configuration.............................................................................................6-14
OPT2 — System configuration options register 2............................................6-14
CONFIG — System configuration register.......................................................6-15
7
SERIAL COMMUNICATIONS INTERFACE
7.1
7.2
7.3
7.4
7.4.1
7.4.2
7.5
7.6
7.6.1
7.6.2
7.6.3
7.6.4
7.6.5
7.6.6
7.7
7.7.1
Data format............................................................................................................7-2
Transmit operation.................................................................................................7-2
Receive operation..................................................................................................7-2
Wake-up feature ....................................................................................................7-4
Idle-line wake-up..............................................................................................7-4
Address-mark wake-up....................................................................................7-4
SCI error detection ................................................................................................7-5
SCI registers..........................................................................................................7-5
SCBDH, SCBDL — SCI baud rate control registers........................................7-6
SCCR1 — SCI control register 1 .....................................................................7-7
SCCR2 — SCI control register 2 .....................................................................7-9
SCSR1 — SCI status register 1.......................................................................7-10
SCSR2 — SCI status register 2.......................................................................7-11
SCDRH, SCDRL — SCI data high/low registers .............................................7-12
Status flags and interrupts.....................................................................................7-12
Receiver flags ..................................................................................................7-13
TPG
7