MCF5272CVF66J Freescale Semiconductor, MCF5272CVF66J Datasheet - Page 370
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MCF5272CVF66J
Manufacturer Part Number
MCF5272CVF66J
Description
IC MCU 166MHZ 196MAPBGA
Manufacturer
Freescale Semiconductor
Series
MCF527xr
Specifications of MCF5272CVF66J
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
Processor Series
MCF527x
Core
ColdFire V2
3rd Party Development Tools
JLINK-CF-BDM26, EWCF
Development Tools By Supplier
NNDK-MOD5272-KIT, NNDK-MOD5270-KIT
Leaded Process Compatible
No
Rohs Compliant
No
Peak Reflow Compatible (260 C)
No
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
No
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MCF5272CVF66J
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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UART Modules
16.3.6
The receiver buffers contain one serial shift register and a 24-byte FIFO. RxD is connected to the serial
shift register. The CPU reads from the top of the stack while the receiver shifts and updates from the
bottom when the shift register is full (see
16-10
Bits
3–2
1–0
Address
Reset
Field
Value
R/W
00
01
10
11
00
01
10
11
UART Receiver Buffers (URBn)
no action taken
transmitter enable
transmitter disable
no action taken
receiver enable
receiver disable
7
Command
MCF5272 ColdFire
—
—
Table 16-6. UCRn Field Descriptions (continued)
Figure 16-7. UART Receiver Buffer (URBn)
Causes the transmitter to stay in its current mode: if the transmitter is enabled, it
remains enabled; if the transmitter is disabled, it remains disabled.
Enables operation of the channel’s transmitter. USRn[TxEMP,TxRDY] are set. If the
transmitter is already enabled, this command has no effect.
Terminates transmitter operation and clears USRn[TxEMP,TxRDY]. If a character is
being sent when the transmitter is disabled, transmission completes before the
transmitter becomes inactive. If the transmitter is already disabled, the command has
no effect.
Reserved, do not use.
Causes the receiver to stay in its current mode. If the receiver is enabled, it remains
enabled; if disabled, it remains disabled.
If the UART module is not in multidrop mode (UMR1n[PM] ¦ 11),
enables the channel's receiver and forces it into search-for-start-bit state. If the receiver
is already enabled, this command has no effect.
Disables the receiver immediately. Any character being received is lost. The command
does not affect receiver status bits or other control registers. If the UART module is
programmed for local loop-back or multidrop mode, the receiver operates even though
this command is selected. If the receiver is already disabled, the command has no
effect.
Reserved, do not use.
TC Field (This field selects a single command)
®
RC (This field selects a single command)
Integrated Microprocessor User’s Manual, Rev. 3
Figure
MBAR + 0x10C,0x14C
16-24). RB contains the character in the receiver.
0000_0000
Read only
RB
Description
Freescale Semiconductor
RECEIVER ENABLE
0
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