MCF5272VF66 Freescale Semiconductor, MCF5272VF66 Datasheet - Page 303
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MCF5272VF66
Manufacturer Part Number
MCF5272VF66
Description
IC MPU 32BIT 66MHZ 196-MAPBGA
Manufacturer
Freescale Semiconductor
Series
MCF527xr
Specifications of MCF5272VF66
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
0°C ~ 70°C
Package / Case
196-MAPBGA
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
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Because the presentation of HDLC encoded data on the physical interface is lsb first, the lsb is
right-aligned in the transmit and receive shift register.
A D-channel byte is formed by concatenating two D bits from each of four frames. This data is also
right-aligned in the D-channel receive register as shown in
13.2.3.4
As with the B channel, a mechanism is provided to support incoming D channels containing unencoded
data, even though as of this document’s publication date, no communication protocols using unencoded
D-channel data are known.
As with unencoded (PCM encoded) B-channel data, it is assumed unencoded D-channel information is
presented on the physical line msb first. The msb is left-aligned in the transmit and receive shift register,
that is, the first bit received is aligned in the msb position through to the last received bit of a byte that is
aligned in the lsb position.
A D-channel byte is formed by concatenating two D bits from each frame over four consecutive frames as
shown in
two D-channel bits from the first frame go into the two msbs, B
the second frame in B
in B
Freescale Semiconductor
1
and B
DCL
FSR
Figure
Unencoded
HDLC
Encoded
Din/Dout
Din/Dout
0
.
D-Channel Unencoded Data
13-7. These 8 bits are also left-aligned in the D-channel receive register, that is, the first
Frame 0
5
MCF5272 ColdFire
Figure 13-7. D-Channel HDLC Encoded and Unencoded Data.
and B
D
D
0
7
8-Bit D-Channel Receive/Transmit Register, RD, TD
Frame
D
D
1
6
4
, and so on, until the last two D-channel bits in the fourth frame are aligned
D7
®
Frame 1
Integrated Microprocessor User’s Manual, Rev. 3
3
D6
D
D
2
5
D5
D
D
3
4
2
D4
D3
Figure
Frame 2
1
7
D2
and B
D
D
13-7.
4
3
D1
D
D
5
2
6
0
, the next two D-channel bits from
Physical Layer Interface Controller (PLIC)
D0
Frame 3
D
D
6
1
D
D
7
0
13-7
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