MCF5307CFT66B Freescale Semiconductor, MCF5307CFT66B Datasheet - Page 318

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MCF5307CFT66B

Manufacturer Part Number
MCF5307CFT66B
Description
IC MPU 32BIT 66MHZ COLDF 208FQFP
Manufacturer
Freescale Semiconductor
Series
MCF530xr
Datasheets

Specifications of MCF5307CFT66B

Core Processor
Coldfire V3
Core Size
32-Bit
Speed
66MHz
Connectivity
EBI/EMI, I²C, UART/USART
Peripherals
DMA, POR, WDT
Number Of I /o
16
Program Memory Type
ROMless
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
208-FQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-

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Register Descriptions
14.3.4 UART Clock-Select Registers (UCSRn)
The UART clock-select registers (UCSRn) select an external clock on the TIN input
(divided by 1 or 16) or a prescaled BCLKO as the clocking source for the transmitter and
receiver. See Section 14.5.1, “Transmitter/Receiver Clock Source.” The transmitter and
receiver can use different clock sources. To use BCLKO for both, set UCSRn to 0xDD.
14-8
Bits
Address
5
4
3
2
1
0
Reset
Field
R/W
TxEMP Transmitter empty.
RxRDY Receiver ready
TxRDY
FFULL
Name
OE
PE
7
Parity error. Valid only if RxRDY = 1.
0 No parity error occurred.
1 If UMR1n[PM] = 0x (with parity or force parity), the corresponding character in the FIFO was
Overrun error. Indicates whether an overrun occurs.
0 No overrun occurred.
1 One or more characters in the received data stream have been lost. OE is set upon receipt of a
0 The transmitter buffer is not empty. Either a character is being shifted out, or the transmitter is
1 The transmitter has underrun (both the transmitter holding register and transmitter shift registers
Transmitter ready.
0 The CPU loaded the transmitter holding register or the transmitter is disabled.
1 The transmitter holding register is empty and ready for a character. TxRDY is set when a
FIFO full.
0 The FIFO is not full but may hold up to two unread characters.
1 A character was received and is waiting in the receiver buffer FIFO.
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.
received with incorrect parity. If UMR1n[PM] = 11 (multidrop), PE stores the received A/D bit.
new character when the FIFO is full and a character is already in the shift register waiting for an
empty FIFO position. When this occurs, the character in the receiver shift register and its break
detect, framing error status, and parity error, if any, are lost. OE is cleared by the
STATUS
disabled. The transmitter is enabled/disabled by programming UCRn[TC].
are empty). This bit is set after transmission of the last stop bit of a character if there are no
characters in the transmitter holding register awaiting transmission.
character is sent to the transmitter shift register and when the transmitter is first enabled. If the
transmitter is disabled, characters loaded into the transmitter holding register are not sent.
Figure 14-5. UART Clock-Select Register (UCSRn)
Table 14-4. USRn Field Descriptions (Continued)
command in UCRn.
Freescale Semiconductor, Inc.
For More Information On This Product,
RCS
MBAR + 0x1C4 (UCSR0), 0x204 (UCSR1)
Go to: www.freescale.com
MCF5307 User’s Manual
4
0000_0000
Write only
Description
3
TCS
RESET ERROR
0

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