MC68331CEH25 Freescale Semiconductor, MC68331CEH25 Datasheet - Page 142

• 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

6
6-16
INCREMENT WORKING
QUEUE POINTER
LAST COMMAND
IN THE QUEUE
IS THIS THE
OR FREEZE
ASSERTED
IS HALT
Figure 6-6 Flowchart of QSPI Slave Operation (Part 2)
A2
C
?
?
NO
NO
Freescale Semiconductor, Inc.
For More Information On This Product,
YES
YES
QUEUED SERIAL MODULE
Go to: www.freescale.com
ENABLE BIT SPIFIE
ENABLE BIT HMIE
HALT QSPI AND
ASSERT HALTA
STATUS FLAG
DISABLE QSPI
IS INTERRUPT
IS INTERRUPT
ASSERT SPIF
ENABLE BIT
OR FREEZE
ASSERTED
ASSERTED
ASSERTED
ASSERTED
IS WRAP
IS HALT
A1
?
?
?
?
NO
NO
NO
NO
YES
YES
YES
YES
POINTER TO NEWQP OR $0000
RESET WORKING QUEUE
INTERRUPT CPU
INTERRUPT CPU
USER’S MANUAL
QSPI FLOW 6
MC68331