MC68340AG25E Freescale Semiconductor, MC68340AG25E Datasheet - Page 45
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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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2.13 SERIAL MODULE SIGNALS
The following signals are used by the serial module for data and clock signals. See
Section 7 Serial Module for more information on these signals.
2.13.1 Serial Crystal Oscillator (X2, X1)
These pins furnish the connection to a crystal or external clock, which must be supplied
when using the baud rate generator. An external clock is connected to the X1 pin; X2 is
left floating.
2.13.2 Serial External Clock Input (SCLK)
This input can be used as the external clock input for channel A or channel B, bypassing
the baud rate generator.
2.13.3 Receive Data (RxDA, RxDB)
These signals are the receiver serial data input for each channel. Data received on this
signal is sampled on the rising edge of the clock source, with the least significant bit
received first.
2.13.4 Transmit Data (TxDA, TxDB)
These signals are the transmitter serial data output for each channel. The output is held
high ('mark' condition) when the transmitter is disabled, idle, or operating in the local
loopback mode. Data is shifted out on this signal at the falling edge of the clock source,
with the least significant bit transmitted first.
2.13.5 Clear to Send (CTSA, CTSB)
These active-low signals can be programmed as the clear-to-send inputs for each
channel.
2.13.6 Request to Send (RTSA, RTSB)
These active-low signals can be programmed as request-to-send outputs or used as
discrete outputs.
RTSB, RTSA
OP1, OP0
2.13.7 Transmitter Ready (T RDYA)
This active-low output can be programmed as the channel A transmitter ready status
indicator or used as a discrete output.
MOTOROLA
When used for this function, these signals function as the request-to-send outputs.
When used for this function, these outputs are controlled by the value of bit 1 and bit 0,
respectively, in the output port data registers.
Freescale Semiconductor, Inc.
For More Information On This Product,
MC68340 USER’S MANUAL
Go to: www.freescale.com
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