MC68331CEH25 Freescale Semiconductor, MC68331CEH25 Datasheet - Page 13

• Manufacturer Part Number: MC68331CEH25
• Description: IC MCU 32BIT 25MHZ 132-PQFP
• Manufacturer: Freescale Semiconductor
• Series: M683xxr

Specifications of MC68331CEH25

• Core Processor: CPU32
• Core Size: 32-Bit
• Speed: 25MHz
• Connectivity: EBI/EMI, SCI, SPI, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 18
• Program Memory Type: ROMless
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 132-QFP
• Controller Family/series: 68K
• No. Of I/o's: 18
• Cpu Speed: 25MHz
• No. Of Timers: 1
• Embedded Interface Type: QSPI, SCI, UART
• No. Of Pwm Channels: 2
• Digital Ic Case Style: PQFP
• Rohs Compliant: Yes
• Processor Series: M683xx
• Core: CPU32
• Data Bus Width: 32 bit
• Data Ram Size: 80 B
• Interface Type: QSPI, SCI, UART
• Maximum Clock Frequency: 25 MHz
• Number Of Programmable I/os: 18
• Number Of Timers: 1
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Eeprom Size: -
• Ram Size: -
• Program Memory Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Details

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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