MC9S12E128CPV Freescale Semiconductor, MC9S12E128CPV Datasheet - Page 151
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
Available stocks
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Quantity
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Part Number:
MC9S12E128CPVE
Manufacturer:
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3.3.5.6
Read: Anytime. Write: Anytime.
The Port S Polarity Select Register selects whether a pull-down or a pull-up device is connected to the pin.
The Port S 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.
3.3.5.7
Read: Anytime. Write: Anytime.
This register selects whether a port S output is configured as push-pull or wired-or. When a Wired-OR
Mode Register bit is set to 1, the corresponding output pin is driven active low only (open drain) and a
high level is not driven. A Wired-OR Mode Register bit has no effect if the corresponding pin is configured
as an input.
Freescale Semiconductor
WOMS[7:0]
PPSS[7:0]
Reset
Reset
Field
Field
7:0
7:0
W
W
R
R
WOMS7
PPSS7
Pull Select Port S
0 A pull-up device is connected to the associated port S pin.
1 A pull-down device is connected to the associated port S pin.
Wired-OR Mode Port S
0 Output buffers operate as push-pull outputs.
1 Output buffers operate as open-drain outputs.
Port S Polarity Select Register (PPSS)
Port S Wired-OR Mode Register (WOMS)
0
0
7
7
WOMS6
PPSS6
0
0
6
6
Figure 3-35. Port S Wired-OR Mode Register (WOMS)
Figure 3-34. Port S Polarity Select Register (PPSS)
Table 3-26. WOMS Field Descriptions
Table 3-25. PPSS Field Descriptions
WOMS5
PPSS5
MC9S12E128 Data Sheet, Rev. 1.07
0
0
5
5
WOMS4
PPSS4
0
0
4
4
Description
Description
WOMS3
PPSS3
0
0
3
3
Chapter 3 Port Integration Module (PIM9E128V1)
WOMS2
PPSS2
0
0
2
2
WOMS1
PPSS1
0
0
1
1
WOMS0
PPSS0
0
0
0
0
151
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