MC9S12XDP512MAG Freescale, MC9S12XDP512MAG Datasheet - Page 517
MC9S12XDP512MAG
Manufacturer Part Number
MC9S12XDP512MAG
Description
Manufacturer
Freescale
Datasheet
1.MC9S12XDP512MAG.pdf
(1348 pages)
Specifications of MC9S12XDP512MAG
Cpu Family
HCS12
Device Core Size
16b
Frequency (max)
40MHz
Interface Type
CAN/I2C/SCI/SPI
Total Internal Ram Size
32KB
# I/os (max)
119
Number Of Timers - General Purpose
12
Operating Supply Voltage (typ)
2.5/5V
Operating Supply Voltage (max)
2.75/5.5V
Operating Supply Voltage (min)
2.35/3.15V
On-chip Adc
2(24-chx10-bit)
Instruction Set Architecture
CISC
Operating Temp Range
-40C to 125C
Operating Temperature Classification
Automotive
Mounting
Surface Mount
Pin Count
144
Package Type
LQFP
Program Memory Type
Flash
Program Memory Size
512KB
Lead Free Status / RoHS Status
Compliant
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12.2
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.
12.2.1
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.
12.2.2
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
MC9S12XDP512 Data Sheet, Rev. 2.21
Figure 12-1. SPI Block Diagram
Baud Rate
LSBFE=1
LSBFE=0
8
8
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
Chapter 12 Serial Peripheral Interface (S12SPIV4)
LSB
CPHA
BIDIROE
SPC0
Sample
Clock
Data Out
SCK In
SCK Out
Data In
Control
Logic
Port
MOSI
SCK
SS
517
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