MC68336/376
MOTOROLA
USER’S MANUAL
ix
(Continued)
Paragraph
Title
Page
TABLE OF CONTENTS
9.1
General ...................................................................................................... 9-1
9.2
QSM Registers and Address Map ............................................................. 9-2
9.2.1
QSM Global Registers ....................................................................... 9-2
9.2.1.1
Low-Power Stop Operation ....................................................... 9-2
9.2.1.2
Freeze Operation ...................................................................... 9-3
9.2.1.3
QSM Interrupts .......................................................................... 9-3
9.2.2
QSM Pin Control Registers ............................................................... 9-4
9.3
Queued Serial Peripheral Interface ........................................................... 9-5
9.3.1
QSPI Registers .................................................................................. 9-6
9.3.1.1
Control Registers ...................................................................... 9-6
9.3.1.2
Status Register .......................................................................... 9-7
9.3.2
QSPI RAM ......................................................................................... 9-7
9.3.2.1
Receive RAM ............................................................................ 9-7
9.3.2.2
Transmit RAM ........................................................................... 9-7
9.3.2.3
Command RAM ......................................................................... 9-8
9.3.3
QSPI Pins .......................................................................................... 9-8
9.3.4
QSPI Operation ................................................................................. 9-8
9.3.5
QSPI Operating Modes ..................................................................... 9-9
9.3.5.1
Master Mode ........................................................................... 9-16
9.3.5.2
Master Wrap-Around Mode ..................................................... 9-19
9.3.5.3
Slave Mode ............................................................................. 9-19
9.3.5.4
Slave Wrap-Around Mode ....................................................... 9-20
9.3.6
Peripheral Chip Selects ................................................................... 9-20
9.4
Serial Communication Interface .............................................................. 9-21
9.4.1
SCI Registers .................................................................................. 9-21
9.4.1.1
Control Registers .................................................................... 9-21
9.4.1.2
Status Register ........................................................................ 9-24
9.4.1.3
Data Register .......................................................................... 9-24
9.4.2
SCI Pins .......................................................................................... 9-24
9.4.3
SCI Operation .................................................................................. 9-24
9.4.3.1
Definition of Terms .................................................................. 9-25
9.4.3.2
Serial Formats ......................................................................... 9-25
9.4.3.3
Baud Clock .............................................................................. 9-25
9.4.3.4
Parity Checking ....................................................................... 9-26
9.4.3.5
Transmitter Operation ............................................................. 9-26
9.4.3.6
Receiver Operation ................................................................. 9-28
9.4.3.7
Idle-Line Detection .................................................................. 9-28
9.4.3.8
Receiver Wake-Up .................................................................. 9-29
9.4.3.9
Internal Loop ........................................................................... 9-30
9.5
QSM Initialization .................................................................................... 9-30
SECTION 10 CONFIGURABLE TIMER MODULE 4
336376UMBook Page ix Friday, November 15, 1996 2:09 PM