MC9S12XDP512MAG Freescale, MC9S12XDP512MAG Datasheet - Page 525
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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12.3.2.4
Read: Anytime
Write: Has no effect
Freescale Semiconductor
Reset
SPTEF
MODF
Field
SPIF
7
5
4
W
R
SPIF
SPIF Interrupt Flag — This bit is set after a received data byte has been transferred into the SPI data register.
This bit is cleared by reading the SPISR register (with SPIF set) followed by a read access to the SPI data
register.
0 Transfer not yet complete.
1 New data copied to SPIDR.
SPI Transmit Empty Interrupt Flag — If set, this bit indicates that the transmit data register is empty. To clear
this bit and place data into the transmit data register, SPISR must be read with SPTEF = 1, followed by a write
to SPIDR. Any write to the SPI data register without reading SPTEF = 1, is effectively ignored.
0 SPI data register not empty.
1 SPI data register empty.
Mode Fault Flag — This bit is set if the SS input becomes low while the SPI is configured as a master and mode
fault detection is enabled, MODFEN bit of SPICR2 register is set. Refer to MODFEN bit description in
Section 12.3.2.2, “SPI Control Register 2
register (with MODF set) followed by a write to the SPI control register 1.
0 Mode fault has not occurred.
1 Mode fault has occurred.
SPI Status Register (SPISR)
0
7
= Unimplemented or Reserved
0
0
6
Figure 12-6. SPI Status Register (SPISR)
Table 12-7. SPISR Field Descriptions
SPTEF
MC9S12XDP512 Data Sheet, Rev. 2.21
1
5
(SPICR2)”. The flag is cleared automatically by a read of the SPI status
MODF
0
4
Description
0
0
3
Chapter 12 Serial Peripheral Interface (S12SPIV4)
0
0
2
0
0
1
0
0
0
525
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