MC68331CEH20 Freescale Semiconductor, MC68331CEH20 Datasheet - Page 5

• Manufacturer Part Number: MC68331CEH20
• Description: IC MCU 32BIT 20MHZ 132-PQFP
• Manufacturer: Freescale Semiconductor
• Series: M683xxr

Specifications of MC68331CEH20

• Core Processor: CPU32
• Core Size: 32-Bit
• Speed: 20MHz
• 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: 20MHz
• 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: 20 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
• Cpu Family: 68K/M683xx
• Device Core: ColdFire
• Device Core Size: 32b
• Frequency (max): 20MHz
• Program Memory Size: Not Required
• Total Internal Ram Size: 80Byte
• # I/os (max): 18
• Number Of Timers - General Purpose: 1
• Instruction Set Architecture: RISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 132
• Package Type: PQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Ram Size: -
• Program Memory Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Details

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4.5.6.1
4.5.6.2
4.6
4.6.1
4.6.2
4.6.3
4.6.3.1
4.6.3.2
4.6.3.3
4.6.4
4.6.5
4.6.5.1
4.6.5.2
4.6.6
4.6.7
4.6.8
4.6.9
4.7
4.7.1
4.7.2
4.7.3
4.7.4
4.7.5
4.8
4.8.1
4.8.1.1
4.8.1.2
4.8.1.3
4.8.1.4
4.8.2
4.8.3
4.8.4
4.9
4.9.1
4.9.2
4.9.3
4.10
5.1
5.2
MC68331
USER’S MANUAL
Reset ............................................................................................................ 4-36
Interrupts ...................................................................................................... 4-45
Chip Selects ................................................................................................. 4-48
Parallel Input/Output Ports ........................................................................... 4-57
Factory Test ................................................................................................. 4-57
General ........................................................................................................... 5-1
CPU32 Registers ............................................................................................ 5-2
Reset Exception Processing ................................................................ 4-36
Reset Control Logic .............................................................................. 4-37
Reset Mode Selection .......................................................................... 4-37
MCU Module Pin Function During Reset ............................................. 4-40
Pin State During Reset ......................................................................... 4-41
Reset Timing ........................................................................................ 4-42
Power-On Reset ................................................................................... 4-43
Reset Processing Summary ................................................................. 4-44
Reset Status Register .......................................................................... 4-45
Interrupt Exception Processing ............................................................ 4-45
Interrupt Priority and Recognition ......................................................... 4-45
Interrupt Acknowledge and Arbitration ................................................. 4-46
Interrupt Processing Summary ............................................................. 4-47
Interrupt Acknowledge Bus Cycles ....................................................... 4-48
Chip-Select Registers ........................................................................... 4-50
Chip-Select Operation .......................................................................... 4-54
Using Chip-Select Signals for Interrupt Acknowledge .......................... 4-54
Chip-Select Reset Operation ................................................................ 4-55
Pin Assignment Registers .................................................................... 4-57
Data Direction Registers ...................................................................... 4-57
Data Registers ...................................................................................... 4-57
Slave (Factory Test) Mode Arbitration ......................................... 4-35
Show Cycles ................................................................................ 4-35
Data Bus Mode Selection ............................................................. 4-38
Clock Mode Selection .................................................................. 4-40
Breakpoint Mode Selection .......................................................... 4-40
Reset States of SIM Pins ............................................................. 4-41
Reset States of Pins Assigned to Other MCU Modules ............... 4-42
Chip-Select Pin Assignment Registers ........................................ 4-51
Chip-Select Base Address Registers ........................................... 4-52
Chip-Select Option Registers ....................................................... 4-52
PORTC Data Register .................................................................. 4-54
SECTION 5 CENTRAL PROCESSING UNIT
Freescale Semiconductor, Inc.
For More Information On This Product,
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Go to: www.freescale.com
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