MC9S12XDP512CAL Freescale, MC9S12XDP512CAL Datasheet - Page 518
MC9S12XDP512CAL
Manufacturer Part Number
MC9S12XDP512CAL
Description
Manufacturer
Freescale
Datasheet
1.MC9S12XDP512CAL.pdf
(1348 pages)
Specifications of MC9S12XDP512CAL
Cpu Family
HCS12
Device Core Size
16b
Frequency (max)
40MHz
Interface Type
CAN/I2C/SCI/SPI
Total Internal Ram Size
32KB
# I/os (max)
91
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(16-chx10-bit)
Instruction Set Architecture
CISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
112
Package Type
LQFP
Program Memory Type
Flash
Program Memory Size
512KB
Lead Free Status / RoHS Status
Compliant
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Chapter 12 Serial Peripheral Interface (S12SPIV4)
12.2.3
This pin is used to output the select signal from the SPI module to another peripheral with which a data
transfer is to take place when it is configured as a master and it is used as an input to receive the slave select
signal when the SPI is configured as slave.
12.2.4
In master mode, this is the synchronous output clock. In slave mode, this is the synchronous input clock.
12.3
This section provides a detailed description of address space and registers used by the SPI.
12.3.1
The memory map for the SPI is given in
base address and an address offset. The base address is defined at the SoC level and the address offset is
defined at the module level. Reads from the reserved bits return zeros and writes to the reserved bits have
no effect.
518
Reserved
Reserved
Reserved
Register
SPICR1
SPICR2
SPIDR
SPIBR
SPISR
Name
Memory Map and Register Definition
SS — Slave Select Pin
SCK — Serial Clock Pin
Module Memory Map
W
W
W
W
W
W
W
W
R
R
R
R
R
R
R
R
Bit 7
SPIE
SPIF
Bit 7
0
0
= Unimplemented or Reserved
SPPR2
SPE
6
0
0
6
Figure 12-2. SPI Register Summary
MC9S12XDP512 Data Sheet, Rev. 2.21
Figure
SPPR1
SPTEF
SPTIE
5
0
5
12-2. The address listed for each register is the sum of a
MODFEN
SPPR0
MSTR
MODF
4
4
BIDIROE
CPOL
3
0
0
3
CPHA
SPR2
2
0
0
2
Freescale Semiconductor
SPISWAI
SSOE
SPR1
1
0
1
LSBFE
SPC0
SPR0
Bit 0
Bit 0
0
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