mc68331cpv20b1 Freescale Semiconductor, Inc, mc68331cpv20b1 Datasheet - Page 13
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mc68331cpv20b1
Manufacturer Part Number
mc68331cpv20b1
Description
Mc68331 32 Bit Microcontroller
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC68331CPV20B1.pdf
(254 pages)
- Current page: 13 of 254
- Download datasheet (7Mb)
Table
3-1
3-2
3-3
3-4
3-5
3-6
3-7
4-1
4-2
4-3
4-4
4-5
4-6
4-7
4-8
4-9
4-10
4-11
4-12
4-13
4-14
4-15
4-16
4-17
4-18
4-19
4-20
4-21
4-22
4-23
4-24
5-1
5-2
5-3
5-4
5-5
5-6
6-1
6-2
6-3
6-4
MC68331
USER’S MANUAL
MCU Driver Types .......................................................................................... 3-6
MCU Pin Characteristics ................................................................................ 3-6
MCU Power Connections ............................................................................... 3-7
Signal Characteristics ..................................................................................... 3-7
Signal Function ............................................................................................... 3-8
SIM Reset Mode Selection ........................................................................... 3-16
Module Pin Functions ................................................................................... 3-17
Show Cycle Enable Bits ................................................................................. 4-4
Bus Monitor Period ......................................................................................... 4-5
MODCLK Pin and SWP Bit During Reset ...................................................... 4-6
Software Watchdog Ratio ............................................................................... 4-6
MODCLK Pin and PTP Bit at Reset ............................................................... 4-7
Periodic Interrupt Priority ................................................................................ 4-8
Clock Control Multipliers ............................................................................... 4-12
System Frequencies from 32.768-kHz Reference ....................................... 4-14
Clock Control ................................................................................................ 4-16
Size Signal Encoding ................................................................................... 4-19
Address Space Encoding ............................................................................. 4-19
Effect of DSACK Signals .............................................................................. 4-20
Operand Transfer Cases .............................................................................. 4-22
DSACK, BERR, and HALT Assertion Results ............................................. 4-31
Reset Source Summary ............................................................................... 4-37
Reset Mode Selection .................................................................................. 4-38
Module Pin Functions ................................................................................... 4-41
SIM Pin Reset States ................................................................................... 4-42
Chip-Select Pin Functions ............................................................................ 4-51
Pin Assignment Field Encoding .................................................................... 4-51
Block Size Encoding ..................................................................................... 4-52
Option Register Function Summary ............................................................. 4-53
Chip Select Base and Option Register Reset Values .................................. 4-56
CSBOOT Base and Option Register Reset Values ..................................... 4-57
Instruction Set Summary .............................................................................. 5-11
Exception Vector Assignments ..................................................................... 5-16
BDM Source Summary ................................................................................. 5-19
Polling the BDM Entry Source ...................................................................... 5-20
Background Mode Command Summary ...................................................... 5-21
CPU Generated Message Encoding ............................................................ 5-24
QSM Pin Function .......................................................................................... 6-4
QSPI Pin Function .......................................................................................... 6-9
BITS Encoding ............................................................................................. 6-18
SCI Pin Function .......................................................................................... 6-25
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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