MC68340AG25E Freescale Semiconductor, MC68340AG25E Datasheet - Page 324
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MC68340AG25E
Manufacturer Part Number
MC68340AG25E
Description
IC MPU 32BIT 25MHZ 144-LQFP
Manufacturer
Freescale Semiconductor
Datasheet
1.MC68340FE25E.pdf
(441 pages)
Specifications of MC68340AG25E
Processor Type
M683xx 32-Bit
Speed
25MHz
Voltage
5V
Mounting Type
Surface Mount
Package / Case
144-LQFP
Controller Family/series
68K
Core Size
32 Bit
No. Of I/o's
16
Cpu Speed
25MHz
No. Of Timers
2
Embedded Interface Type
UART
Digital Ic Case Style
LQFP
Rohs Compliant
Yes
Processor Series
M683xx
Core
CPU32
Maximum Clock Frequency
25 MHz
Maximum Operating Temperature
+ 105 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
0 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC68340AG25E
Manufacturer:
Freescale Semiconductor
Quantity:
135
Company:
Part Number:
MC68340AG25E
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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TC1–TC0—Transmitter Commands
MOTOROLA
Start Break—The start break command forces the channel's TxDx low. If the transmitter
is empty, the start of the break conditions can be delayed up to one bit time. If the
transmitter is active, the break begins when transmission of the character is complete. If
a character is in the transmitter shift register, the start of the break is delayed until the
character is transmitted. If the transmitter holding register has a character, that
character is transmitted after the break. The transmitter must be enabled for this
command to be accepted. The state of the CTS input is ignored for this command.
Stop Break—The stop break command causes the channel's TxDx to go high (mark)
within two bit times. Characters stored in the transmitter buffer, if any, are transmitted.
Assert RTS —The assert RTS command forces the channel's RTS output low.
Negate RTS —The negate RTS command forces the channel's RTS output high.
These bits select a single command as listed in Table 7-7.
No Action Taken—The no action taken command causes the transmitter to stay in its
current mode. If the transmitter is enabled, it remains enabled; if disabled, it remains
disabled.
Transmitter Enable—The transmitter enable command enables operation of the
channel's transmitter. The TxEMP and TxRDY bits in the SR are also set. If the
transmitter is already enabled, this command has no effect.
Transmitter Disable—The transmitter disable command terminates transmitter operation
and clears the TxEMP and TxRDY bits in the SR. However, if a character is being
transmitted when the transmitter is disabled, the transmission of the character is
completed before the transmitter becomes inactive. If the transmitter is already
disabled, this command has no effect.
Do Not Use—Do not use this bit combination because the result is indeterminate.
Freescale Semiconductor, Inc.
For More Information On This Product,
TC1
Table 7-7. TCx Control Bits
0
0
1
1
MC68340 USER’S MANUAL
Go to: www.freescale.com
TC0
0
1
0
1
Disable Transmitter
Enable Transmitter
No Action Taken
Do Not Use
Command
7- 29
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