MCF5272VF66 Freescale Semiconductor, MCF5272VF66 Datasheet - Page 368
![IC MPU 32BIT 66MHZ 196-MAPBGA](/photos/13/94/139412/mcf5272vf66_sml.jpg)
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
-
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UART Modules
16.3.4
The UART clock-select registers (UCSRn) select an external clock on the URT_CLK input (divided by 1
or 16) or a prescaled CLKIN as the clocking source for the transmitter and receiver. See
“Transmitter/Receiver Clock
CLKIN for both, set UCSRn to 0xDD.
Table 16-5
16-8
Bits
Bits
7–4
3–0
1
0
Address
Reset
Field
R/W
RxRDY Receiver ready
FFULL
Name
Name
describes UCSRn fields.
RCS
TCS
UART Clock-Select Registers (UCSRn)
FIFO full. This bit is equivalent to URF[FULL].
0 The FIFO is not full but may hold unread characters.
1 A character was received and the receiver FIFO is now full. Any characters received when the FIFO is full
0 The CPU has read the receiver buffer and no characters remain in the FIFO after this read.
1 One or more characters were received and are waiting in the receiver buffer FIFO.
7
Receiver clock select. Selects the clock source for the receiver channel.
1101 Prescaled CLKIN
1110 URT_CLK divided by 16
1111 URT_CLK
Transmitter clock select. Selects the clock source for the transmitter channel.
1101 Prescaled CLKIN
1110 URT_CLK divided by 16
1111 URT_CLK
are lost.
MCF5272 ColdFire
Figure 16-5. UART Clock-Select Registers (UCSRn)
Table 16-4. USRn Field Descriptions (continued)
Source.” The transmitter and receiver can use different clock sources. To use
RCS
Table 16-5. UCSRn Field Descriptions
®
MBAR + 0x104 (UCSR0), 0x144 (UCSR1)
Integrated Microprocessor User’s Manual, Rev. 3
4
0000_0000
Write only
Description
Description
3
TCS
Freescale Semiconductor
Section 16.5.1,
0
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