MC912DT128ACPV Freescale Semiconductor, MC912DT128ACPV Datasheet - Page 280
MC912DT128ACPV
Manufacturer Part Number
MC912DT128ACPV
Description
IC 8MHZ 16 BIT MICROCONTROLLER
Manufacturer
Freescale Semiconductor
Series
HC12r
Datasheet
1.MC912DG128ACPVER.pdf
(478 pages)
Specifications of MC912DT128ACPV
Core Processor
CPU12
Core Size
16-Bit
Speed
8MHz
Connectivity
CAN, I²C, SCI, SPI
Peripherals
POR, PWM, WDT
Number Of I /o
67
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 16x8/10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
112-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
KMC912DT128ACPV
Q1195202
Q1195202
Available stocks
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Price
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Multiple Serial Interface
16.4.1 Data Format
16.4.2 SCI Baud Rate Generation
Technical Data
280
The serial data format requires the following conditions:
The basis of the SCI baud rate generator is a 13-bit modulus counter.
This counter gives the generator the flexibility necessary to achieve a
reasonable level of independence from the CPU operating frequency
and still be able to produce standard baud rates with a minimal amount
of error. The clock source for the generator comes from the M Clock.
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•
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Freescale Semiconductor, Inc.
For More Information On This Product,
An idle-line in the high state before transmission or reception of a
message.
A start bit (logic zero), transmitted or received, that indicates the
start of each character.
Data that is transmitted or received least significant bit (LSB) first.
A stop bit (logic one), used to indicate the end of a frame. (A frame
consists of a start bit, a character of eight or nine data bits and a
stop bit.)
A BREAK is defined as the transmission or reception of a logic
zero for one frame or more.
This SCI supports hardware parity for transmit and receive.
Go to: www.freescale.com
SCI Baud Rate
Multiple Serial Interface
Desired
14400
19200
38400
Table 16-1. Baud Rate Generation
1200
2400
4800
9600
110
300
600
BR Divisor for
M = 4.0 MHz
2273
833
417
208
104
52
26
17
13
—
MC68HC912DT128A — Rev 4.0
BR Divisor for
M = 8.0 MHz
4545
2273
833
417
208
104
52
35
26
13
MOTOROLA
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