MC9S12E128CPV Freescale Semiconductor, MC9S12E128CPV Datasheet - Page 154
MC9S12E128CPV
Manufacturer Part Number
MC9S12E128CPV
Description
Microcontrollers (MCU) 16 Bit 16MHz
Manufacturer
Freescale Semiconductor
Datasheet
1.MC9S12E128CPV.pdf
(606 pages)
Specifications of MC9S12E128CPV
Data Bus Width
16 bit
Program Memory Type
Flash
Program Memory Size
128 KB
Data Ram Size
8 KB
Interface Type
SCI, SPI
Maximum Clock Frequency
25 MHz
Number Of Programmable I/os
92
Number Of Timers
16 bit
Operating Supply Voltage
3.135 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
LQFP-112
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit
On-chip Dac
8 bit, 2 Channel
Lead Free Status / Rohs Status
No RoHS Version Available
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Chapter 3 Port Integration Module (PIM9E128V1)
3.3.6.5
Read: Anytime. Write: Anytime.
This register configures whether a pull-up or a pull-down device is activated on configured input pins. If
a pin is configured as output, the corresponding Pull Device Enable Register bit has no effect.
3.3.6.6
Read: Anytime. Write: Anytime.
The Port T Polarity Select Register selects whether a pull-down or a pull-up device is connected to the pin.
The Port T Polarity Select Register is effective only when the corresponding Data Direction Register bit
is set to 0 (input) and the corresponding Pull Device Enable Register bit is set to 1.
154
PERT[7:0]
PPST[7:0]
Reset
Reset
Field
Field
7:0
7:0
W
W
R
R
PERT7
PPST7
Pull Device Enable Port T
0 Pull-up or pull-down device is disabled.
1 Pull-up or pull-down device is enabled.
Pull Select Port T
0 A pull-up device is connected to the associated port T pin.
1 A pull-down device is connected to the associated port T pin.
Port T Pull Device Enable Register (PERT)
Port T Polarity Select Register (PPST)
0
0
7
7
PERT6
PPST6
Figure 3-40. Port T Pull Device Enable Register (PERT)
0
0
6
6
Figure 3-41. Port T Polarity Select Register (PPST)
Table 3-29. PERT Field Descriptions
Table 3-30. PPST Field Descriptions
PERT5
PPST5
MC9S12E128 Data Sheet, Rev. 1.07
0
0
5
5
PERT4
PPST4
0
0
4
4
Description
Description
PERT3
PPST3
0
0
3
3
PERT2
PPST2
0
0
2
2
PERT1
PPST1
Freescale Semiconductor
0
0
1
1
PERT0
PPST0
0
0
0
0
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