DEMO9S12XEP100 Freescale Semiconductor, DEMO9S12XEP100 Datasheet - Page 143
DEMO9S12XEP100
Manufacturer Part Number
DEMO9S12XEP100
Description
BOARD DEMO FOR MC9S12XEP100
Manufacturer
Freescale Semiconductor
Type
MCUr
Datasheet
1.EVB9S12XEP100.pdf
(1328 pages)
Specifications of DEMO9S12XEP100
Contents
Board, Cables, CD
Processor To Be Evaluated
MC9S12XEP100
Data Bus Width
16 bit
Interface Type
RS-232
Silicon Manufacturer
Freescale
Core Architecture
S12
Core Sub-architecture
S12
Silicon Core Number
MC9S12
Silicon Family Name
S12XE
Rohs Compliant
Yes
For Use With/related Products
MC9S12XEP100
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DEMO9S12XEP100
Manufacturer:
PANASONIC
Quantity:
46 000
Company:
Part Number:
DEMO9S12XEP100
Manufacturer:
Freescale Semiconductor
Quantity:
135
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1. Read: Anytime.
2.3.47
Freescale Semiconductor
Address 0x025A
Write: Anytime.
DDRP
DDRP
Field
Field
PTIP
Reset
7-0
6-0
7
W
R
Port P input data—
This register always reads back the buffered state of the associated pins. This can also be used to detect overload
or short circuit conditions on output pins.
Port P data direction—
This register controls the data direction of pin 7.
The enabled PWM channel 7 forces the I/O state to be an output. If the PWM shutdown feature is enabled this pin
is forced to be an input. In these cases the data direction bit will not change.
1 Associated pin is configured as output.
0 Associated pin is configured as input.
Port P data direction—
The PWM forces the I/O state to be an output for each port line associated with an enabled PWM6-0 channel. In this
case the data direction bit will not change.
1 Associated pin is configured as output.
0 Associated pin is configured as input.
DDRP7
Port P Data Direction Register (DDRP)
0
7
Due to internal synchronization circuits, it can take up to 2 bus clock cycles
until the correct value is read on PTP or PTIP registers, when changing the
DDRP register.
DDRP6
0
6
Figure 2-45. Port P Data Direction Register (DDRP)
Table 2-43. DDRP Register Field Descriptions
Table 2-42. PTIP Register Field Descriptions
MC9S12XE-Family Reference Manual , Rev. 1.23
DDRP5
0
5
DDRP4
NOTE
0
4
Description
Description
DDRP3
3
0
Chapter 2 Port Integration Module (S12XEPIMV1)
DDRP2
0
2
Access: User read/write
DDRP1
0
1
DDRP0
0
0
143
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