MM912H634CV1AER2 Freescale Semiconductor, MM912H634CV1AER2 Datasheet - Page 275
MM912H634CV1AER2
Manufacturer Part Number
MM912H634CV1AER2
Description
64KS12 LIN2xLS/HS Isense
Manufacturer
Freescale Semiconductor
Series
-r
Datasheet
1.MM912G634CM1AE.pdf
(345 pages)
Specifications of MM912H634CV1AER2
Applications
Automotive
Core Processor
HCS12
Program Memory Type
FLASH (64 kB)
Controller Series
HCS12
Ram Size
6K x 8
Interface
LIN
Number Of I /o
-
Voltage - Supply
5.5 V ~ 27 V
Operating Temperature
-40°C ~ 105°C
Mounting Type
Surface Mount
Package / Case
48-LQFP Exposed Pad
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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4.39.2
This section lists the name and description of all ports including inputs and outputs that do, or may, connect off chip. The SPI
module has a total of four external pins.
4.39.2.1
This pin is used to transmit data out of the SPI module when it is configured as a master and receive data when it is configured
as slave.
4.39.2.2
This pin is used to transmit data out of the SPI module when it is configured as a slave and receive data when it is configured as
master.
Freescale Semiconductor
Bus Clock
Interrupt
Request
SPI
External Signal Description
MOSI — Master Out/Slave In Pin
MISO — Master In/Slave Out Pin
SPPR
SPI
SPI Baud Rate Register
Prescaler
SPI Control Register 1
SPI Control Register 2
Baud Rate Generator
SPI Status Register
SPI Data Register
Interrupt Control
SPIF
3
SPR
MODF
Clock Select
Counter
SPTEF
3
MM912_634 Advance Information, Rev. 4.0
Figure 102. SPI Block Diagram
Baud Rate
LSBFE=1
LSBFE=0
Control
Control
Master
Slave
Master Baud Rate
Slave Baud Rate
MSB
2
2
Shifter
LSBFE=1
LSBFE=0
LSBFE=0
LSBFE=1
CPOL
Clock
Shift
Phase +
Polarity
Control
Phase +
Polarity
Control
LSB
CPHA
BIDIROE
SPC0
Sample
Clock
Data Out
SCK In
SCK Out
Data In
Control
Logic
Port
MOSI
SCK
SS
275
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