MC9S12E128CPV Freescale Semiconductor, MC9S12E128CPV Datasheet - Page 258
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
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Manufacturer
Quantity
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Part Number:
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Manufacturer:
Freescale Semiconductor
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Chapter 8 Serial Communication Interface (SCIV3)
8.4
This subsection provides a complete functional description of the SCI block, detailing the operation of the
design from the end user’s perspective in a number of descriptions.
Figure 8-11
communication between the CPU and remote devices, including other CPUs. The SCI transmitter and
receiver operate independently, although they use the same baud rate generator. The CPU monitors the
status of the SCI, writes the data to be transmitted, and processes received data.
258
CLOCK
SBR12–SBR0
BUS
RXD
Functional Description
INFRARED
DECODER
RECEIVE
shows the structure of the SCI module. The SCI allows full duplex, asynchronous, serial
GENERATOR
BAUD RATE
IREN
Ir_RXD
T8
R32XCLK
R16XCLK
16
SHIFT REGISTER
SCRXD
DATA FORMAT
AND WAKEUP
TRANSMIT
TRANSMIT
REGISTER
CONTROL
CONTROL
CONTROL
SCI DATA
RECEIVE
Figure 8-11. Detailed SCI Block Diagram
MC9S12E128 Data Sheet, Rev. 1.07
SHIFT REGISTER
REGISTER
SCI DATA
RECEIVE
LOOPS
LOOPS
WAKE
RSRC
RSRC
RWU
SBK
ILT
RE
PE
PT
TE
M
SCTXD
TDRE
TCIE
RDRF
IDLE
TIE
RAF
RIE
TC
OR
R8
NF
FE
PF
TNP[1:0]
INFRARED
TRANSMIT
ENCODER
ILIE
IREN
TDRE
Ir_TXD
TC
IDLE
Freescale Semiconductor
SCI
Interrupt
Request
TXD
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