MC9S12XDP512MAG Freescale, MC9S12XDP512MAG Datasheet - Page 925
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
RDPK
RDPE
RDPD
RDPC
RDPB
RDPA
23.0.5.12 S12X_EBI Ports Reduced Drive Register (RDRIV)
Read: Anytime. In emulation modes, read operations will return the data from the external bus, in
all other modes the data source is depending on the data direction value.
Write: Anytime. In emulation modes, write operations will also be directed to the external bus.
This register is used to select reduced drive for the pins associated with ports A, B, E, and K. If
enabled, the pins drive at about 1/6 of the full drive strength. The reduced drive function is
independent of which function is being used on a particular pin.
The reduced drive functionality does not take effect on the pins in emulation modes.
Field
7
4
3
2
1
0
W
R
RDPK
Reduced Drive of Port K
0 All port K output pins have full drive enabled.
1 All port K output pins have reduced drive enabled.
Reduced Drive of Port E
0 All port E output pins have full drive enabled.
1 All port E output pins have reduced drive enabled.
Reduced Drive of Port D
0 All port D output pins have full drive enabled.
1 All port D output pins have reduced drive enabled.
Reduced Drive of Port C
0 All port C output pins have full drive enabled.
1 All port C output pins have reduced drive enabled.
Reduced Drive of Port B
0 All port B output pins have full drive enabled.
1 All port B output pins have reduced drive enabled.
Reduced Drive of Ports A
0 All Port A output pins have full drive enabled.
1 All port A output pins have reduced drive enabled.
7
0
= Unimplemented or Reserved
Figure 23-14. S12X_EBI Ports Reduced Drive Register (RDRIV)
0
0
6
Table 23-15. RDRIV Field Descriptions
5
0
0
RDPE
0
4
Description
RDPD
3
0
RDPC
0
2
RDPB
1
0
RDPA
0
0
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