MC68331CEH25 Freescale Semiconductor, MC68331CEH25 Datasheet - Page 138
MC68331CEH25
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC68331CEH25
Manufacturer:
PANASONIC
Quantity:
2 000
Company:
Part Number:
MC68331CEH25
Manufacturer:
Freescale Semiconductor
Quantity:
135
Company:
Part Number:
MC68331CEH25
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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6
6-12
Figure 6-5 Flowchart of QSPI Master Operation (Part 1)
EXECUTE SERIAL TRANSFER
EXECUTE STANDARD DELAY
READ COMMAND CONTROL
FROM RAM USING QUEUE
STORE RECEIVED DATA
Freescale Semiconductor, Inc.
IN RAM USING QUEUE
ASSERT PERIPHERAL
QSPI CYCLE BEGINS
AND TRANSMIT DATA
POINTER ADDRESS
POINTER ADDRESS
(MASTER MODE)
CHIP-SELECT(S)
For More Information On This Product,
BEEN WRITTEN
PROGRAMMED
HAS NEWQP
SCK DELAY
DISABLED
IS PCS TO
IS QSPI
A1
B1
?
?
?
NO
NO
NO
QUEUED SERIAL MODULE
Go to: www.freescale.com
YES
YES
YES
EXECUTE PROGRAMMED DELAY
WORKING QUEUE POINTER
CHANGED TO NEWQP
QSPI FLOW 2
USER’S MANUAL
MC68331
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