MCF5272CVF66 Freescale Semiconductor, MCF5272CVF66 Datasheet - Page 268
MCF5272CVF66
Manufacturer Part Number
MCF5272CVF66
Description
IC MPU 32BIT 66MHZ 196-MAPBGA
Manufacturer
Freescale Semiconductor
Series
MCF527xr
Specifications of MCF5272CVF66
Core Processor
Coldfire V2
Core Size
32-Bit
Speed
66MHz
Connectivity
EBI/EMI, Ethernet, I²C, SPI, UART/USART, USB
Peripherals
DMA, WDT
Number Of I /o
32
Program Memory Size
16KB (4K x 32)
Program Memory Type
ROM
Ram Size
1K x 32
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
196-MAPBGA
Family Name
MCF5xxx
Device Core
ColdFire
Device Core Size
32b
Frequency (max)
66MHz
Instruction Set Architecture
RISC
Supply Voltage 1 (typ)
3.3V
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
196
Package Type
MA-BGA
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Not Compliant
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Universal Serial Bus (USB)
12.3.2.3
The value in the RFMR can be used to determine approximately how much time has elapsed since the USB
host sent its last start-of-frame packet.
Because the hardware does not guarantee that any of the bit values are stable during the read access:
Figure 12-5
Table 12-5
12-10
15–14
13–0
Bits
•
•
only the higher-order bits should be used
the returned data should always be de-glitched by verifying that the same value is seen on the
higher-order bits for two consecutive read cycles.
Name
RTFM
lists field descriptions for the USB real-time frame monitor register.
—
shows the USB real-time frame monitor register.
Reset
Field
USB Real-Time Frame Monitor Register (RFMR)
Addr
R/W
Reserved, should be cleared.
Real-time frame count. Contains the current USB frame counter value. The counter is incremented one
time for every USB bit time and is reset when a SOF packet from the host is detected or an artificial start
of frame (ASOF) interrupt is generated.
15
—
MCF5272 ColdFire
Figure 12-5. USB Real-Time Frame Monitor Register (RFMR)
14
13
Table 12-5. RFMR Field Descriptions
®
Integrated Microprocessor User’s Manual, Rev. 3
0000_0000_0000_0000
MBAR + 0x100A
Read
Description
RTFM
Freescale Semiconductor
0
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