MC68340AG25E Freescale Semiconductor, MC68340AG25E Datasheet - Page 342
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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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The following steps are channel specific:
Clock Select Register (CSR)
Mode Register 1 (MR1)
Mode Register 2 (MR2)
Command Register (CR)
7.5.2 Serial Module Example Configuration Code
The following code is an example of a configuration sequence for the serial module.
***************************************************************************
* MC68340 basic serial module register initialization example code.
* This code is used to initialize the 68340's internal serial module registers,
* providing basic functions for operation.
* It sets up serial channel A for communication with a 9600 baud terminal.
* Note: All serial module registers must be accessed as bytes.
***************************************************************************
***************************************************************************
* equates
***************************************************************************
MBAR
MODBASE EQU $FFFFF000 SIM40 MBAR address value
***************************************************************
* Serial module equates
SERIAL
MCRH
MCRL
MOTOROLA
• Select the receiver and transmitter clock.
• If desired, program operation of receiver ready-to-send (RxRTS bit).
• Select receiver-ready or FIFO-full notification (R/F bit).
• Select character or block error mode (ERR bit).
• Select parity mode and type (PM and PT bits).
• Select number of bits per character (B/Cx bits).
• Select the mode of channel operation (CMx bits).
• If desired, program operation of transmitter ready-to-send (TxRTS bit).
• If desired, program operation of clear-to-send (TxCTS bit).
• Select stop-bit length (SBx bits).
• Enable the receiver and transmitter.
EQU $700
EQU $0
EQU $1
EQU $0003FF00 Address of SIM40 Module Base Address Reg.
Freescale Semiconductor, Inc.
For More Information On This Product,
MC68340 USER’S MANUAL
Go to: www.freescale.com
Offset from MBAR for serial module regs
serial MCR high byte
serial MCR low byte
7- 47
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