MC9S12XDP512MAG Freescale, MC9S12XDP512MAG Datasheet - Page 951
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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Reset
23.0.5.55 Port J Input Register (PTIJ)
1. These registers are reset to zero. Two bus clock cycles after reset release the register values are updated with the
Read: Anytime.
Write: Never, writes to this register have no effect.
This register always reads back the buffered state of the associated pins. This can be used to detect
overload or short circuit conditions on output pins.
23.0.5.56 Port J Data Direction Register (DDRJ)
Read: Anytime.
Write: Anytime.
This register configures each port J pin as either input or output.
The CAN forces the I/O state to be an output on PJ7 (TXCAN4) and an input on pin PJ6
(RXCAN4). The IIC takes control of the I/O if enabled. In these cases the data direction bits will
not change.
The SCI2 forces the I/O state to be an output for each port line associated with an enabled output
(TXD2). It also forces the I/O state to be an input for each port line associated with an enabled input
(RXD2). In these cases the data direction bits will not change.
The DDRJ bits revert to controlling the I/O direction of a pin when the associated peripheral
module is disabled.
W
associated pin values.
W
R
R
1
DDRJ7
PTIJ7
7
0
7
0
= Unimplemented or Reserved
= Unimplemented or Reserved
DDRJ6
PTIJ6
0
0
6
6
Figure 23-58. Port J Data Direction Register (DDRJ)
Figure 23-57. Port J Input Register (PTIJ)
DDRJ5
PTIJ5
5
0
5
0
DDRJ4
PTIJ4
0
0
4
4
3
0
0
3
0
0
DDRJ2
PTIJ2
0
0
2
2
DDRJ1
PTIJ1
1
0
1
0
DDRJ0
PTIJ0
0
0
0
0
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