MCF51JU32VHS Freescale Semiconductor, MCF51JU32VHS Datasheet - Page 33

• Manufacturer Part Number: MCF51JU32VHS
• Description: 32-bit Microcontrollers - MCU COLDFIREV1 32K FLASH
• Manufacturer: Freescale Semiconductor

Specifications of MCF51JU32VHS

• Rohs: yes
• Core: ColdFire V1
• Processor Series: MCF51JU128
• Data Bus Width: 32 bit
• Maximum Clock Frequency: 50 MHz
• Program Memory Size: 32 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 1.71 V to 3.6 V
• Operating Temperature Range: - 40 C to + 105 C
• Package / Case: QFN-44
• Mounting Style: SMD/SMT

The following timing numbers indicate when data is latched or driven onto the external
bus, relative to the Mini-Flexbus output clock (FB_CLK). All other timing relationships
can be derived from these values.
1. Specification is valid for all FB_AD[31:0], FB_CSn, FB_OE, FB_R/W, and FB_TS.
2. Specification is valid for all FB_AD[31:0].
Freescale Semiconductor, Inc.
Num
FB1
FB2
FB3
FB4
FB5
Operating voltage
Frequency of operation
Clock period
Address, data, and control output valid
Address, data, and control output hold
Data and FB_TA input setup
Data and FB_TA input hold
Description
The following diagrams refer to signal names that may not be
included on your particular device. Ignore these extraneous
signals.
Also, ignore the AA=0 portions of the diagrams because this
setting is not supported in the Mini-FlexBus.
Table 21. Flexbus switching specifications
MCF51JU128 Data Sheet, Rev. 4, 01/2012.
Note
1.71
Min.
40
20
10
—
—
1
Max.
3.6
25
20
—
—
—
—
Memories and memory interfaces
MHz
Unit
ns
ns
ns
ns
ns
V
Notes
1
1
2
2
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