MC9S12E128CPV Freescale Semiconductor, MC9S12E128CPV Datasheet - Page 268
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MC9S12E128CPV
Manufacturer Part Number
MC9S12E128CPV
Description
Microcontrollers (MCU) 16 Bit 16MHz
Manufacturer
Freescale Semiconductor
Datasheet
1.MC9S12E128CPV.pdf
(606 pages)
Specifications of MC9S12E128CPV
Data Bus Width
16 bit
Program Memory Type
Flash
Program Memory Size
128 KB
Data Ram Size
8 KB
Interface Type
SCI, SPI
Maximum Clock Frequency
25 MHz
Number Of Programmable I/os
92
Number Of Timers
16 bit
Operating Supply Voltage
3.135 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
LQFP-112
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit
On-chip Dac
8 bit, 2 Channel
Lead Free Status / Rohs Status
No RoHS Version Available
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC9S12E128CPVE
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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Chapter 8 Serial Communication Interface (SCIV3)
In
not the beginning of a start bit. The RT clock is reset and the start bit search begins again. The noise flag
is not set because the noise occurred before the start bit was found.
In
perceived bit time is misaligned, the data samples RT8, RT9, and RT10 are within the bit time and data
recovery is successful.
268
RT CLOCK COUNT
RT CLOCK COUNT
RESET RT CLOCK
RESET RT CLOCK
Figure 8-16
Figure
RT CLOCK
RT CLOCK
SAMPLES
SAMPLES
8-17, verification sample at RT3 is high. The RT3 sample sets the noise flag. Although the
RXD
RXD
the verification samples RT3 and RT5 determine that the first low detected was noise and
1
1
1
1
1
1
0
1
1
Figure 8-16. Start Bit Search Example 1
Figure 8-17. Start Bit Search Example 2
1
0
MC9S12E128 Data Sheet, Rev. 1.07
1
1
1
0
0
PERCEIVED START BIT
0
0
0
0
0
ACTUAL START BIT
0
START BIT
0
0
0
0
Freescale Semiconductor
LSB
LSB
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