MC9S12XDP512MAG Freescale, MC9S12XDP512MAG Datasheet - Page 934
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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Chapter 23 DQ256 Port Integration Module (S12XDQ256PIMV2)
This register configures the drive strength of each port S output pin as either full or reduced. If the port is
used as input this bit is ignored.
23.0.5.27 Port S Pull Device Enable Register (PERS)
Read: Anytime.
Write: Anytime.
This register configures whether a pull-up or a pull-down device is activated, if the port is used as input or
as output in wired-OR (open drain) mode. This bit has no effect if the port is used as push-pull output. Out
of reset a pull-up device is enabled.
23.0.5.28 Port S Polarity Select Register (PPSS)
Read: Anytime.
Write: Anytime.
This register selects whether a pull-down or a pull-up device is connected to the pin.
936
RDRS[7:0]
PERS[7:0]
Reset
Reset
Field
Field
7–0
7–0
W
W
R
R
PERS7
PPSS7
Reduced Drive Port S
0 Full drive strength at output.
1 Associated pin drives at about 1/6 of the full drive strength.
Pull Device Enable Port S
0 Pull-up or pull-down device is disabled.
1 Either a pull-up or pull-down device is enabled.
1
0
7
7
PERS6
PPSS6
Figure 23-29. Port S Pull Device Enable Register (PERS)
1
0
6
6
Figure 23-30. Port S Polarity Select Register (PPSS)
Table 23-28. RDRS Field Descriptions
Table 23-29. PERS Field Descriptions
PERS5
PPSS5
MC9S12XDP512 Data Sheet, Rev. 2.21
1
0
5
5
PERS4
PPSS4
1
0
4
4
Description
Description
PERS3
PPSS3
1
0
3
3
PERS2
PPSS2
1
0
2
2
PERS1
PPSS1
Freescale Semiconductor
1
0
1
1
PERS0
PPSS0
1
0
0
0
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