MC9S12E256MFUE Freescale Semiconductor, MC9S12E256MFUE Datasheet - Page 260
MC9S12E256MFUE
Manufacturer Part Number
MC9S12E256MFUE
Description
IC MCU 256K FLASH 25MHZ 80-QFP
Manufacturer
Freescale Semiconductor
Series
HCS12r
Specifications of MC9S12E256MFUE
Core Processor
HCS12
Core Size
16-Bit
Speed
25MHz
Connectivity
EBI/EMI, I²C, SCI, SPI
Peripherals
POR, PWM, WDT
Number Of I /o
60
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
2.35 V ~ 2.75 V
Data Converters
A/D 16x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
80-QFP
Processor Series
S12E
Core
HCS12
Data Bus Width
16 bit
Data Ram Size
16 KB
Interface Type
I2C/SCI/SPI
Maximum Clock Frequency
50 MHz
Number Of Programmable I/os
60
Number Of Timers
12
Operating Supply Voltage
0 V to 5 V
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWHCS12
Minimum Operating Temperature
- 40 C
On-chip Adc
16-ch x 10-bit
On-chip Dac
2-ch x 8-bit
Controller Family/series
HCS12/S12X
No. Of I/o's
60
Ram Memory Size
16KB
Cpu Speed
25MHz
No. Of Timers
3
Embedded Interface Type
I2C, SCI, SPI
Rohs Compliant
Yes
For Use With
M68EVB912E128 - BOARD EVAL FOR MC9S12E128/64
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
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Manufacturer
Quantity
Price
Company:
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Manufacturer:
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Chapter 8 Serial Communication Interface (SCIV3)
Each data character is contained in a frame that includes a start bit, eight or nine data bits, and a stop bit.
Clearing the M bit in SCI control register 1 configures the SCI for 8-bit data characters. A frame with eight
data bits has a total of 10 bits. Setting the M bit configures the SCI for nine-bit data characters. A frame
with nine data bits has a total of 11 bits
When the SCI is configured for 9-bit data characters, the ninth data bit is the T8 bit in SCI data register
high (SCIDRH). It remains unchanged after transmission and can be used repeatedly without rewriting it.
A frame with nine data bits has a total of 11 bits.
260
START
START
BIT
BIT
BIT 0
BIT 0
BIT 1
BIT 1
BIT 2
BIT 2
1
1
Start
Start
The address bit identifies the frame as an address
character. See
The address bit identifies the frame as an address
character. See
Bit
Bit
1
1
1
1
1
1
Table 8-12. Example of 9-Bit Data Formats
Table 8-11. Example of 8-bit Data Formats
BIT 3
BIT 3
(BIT M IN SCICR1 CLEAR)
(BIT M IN SCICR1 SET)
MC9S12E128 Data Sheet, Rev. 1.07
8-BIT DATA FORMAT
9-BIT DATA FORMAT
Figure 8-12. SCI Data Formats
Data
Data
Bits
Bits
8
7
7
9
8
8
BIT 4
BIT 4
Section 8.4.5.6, “Receiver
Section 8.4.5.6, “Receiver
Address
Address
BIT 5
BIT 5
Bits
Bits
1
1
0
0
0
0
1
1
BIT 6
BIT 6
Parity
Parity
POSSIBLE
Bits
Bits
PARITY
BIT 7
BIT 7
0
1
0
0
1
0
BIT
Wakeup”.
Wakeup”.
POSSIBLE
PARITY
STOP
BIT 8
BIT
BIT
Stop
Stop
Bit
Bit
1
1
1
1
1
1
START
NEXT
STOP
BIT
BIT
START
NEXT
BIT
Freescale Semiconductor
STANDARD
STANDARD
SCI DATA
INFRARED
SCI DATA
INFRARED
SCI DATA
SCI DATA
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