MC9S12E128CFU Freescale Semiconductor, MC9S12E128CFU Datasheet - Page 141
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MC9S12E128CFU
Manufacturer Part Number
MC9S12E128CFU
Description
IC MCU 128K FLASH 25MHZ 80-QFP
Manufacturer
Freescale Semiconductor
Series
HCS12r
Specifications of MC9S12E128CFU
Core Processor
HCS12
Core Size
16-Bit
Speed
25MHz
Connectivity
EBI/EMI, I²C, SCI, SPI
Peripherals
POR, PWM, WDT
Number Of I /o
60
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
2.35 V ~ 2.75 V
Data Converters
A/D 16x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
80-QFP
Data Bus Width
16 bit
Data Ram Size
8 KB
Interface Type
SCI, SPI
Maximum Clock Frequency
25 MHz
Number Of Programmable I/os
60
Number Of Timers
16 bit
Operating Supply Voltage
3.135 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit
On-chip Dac
8 bit, 2 Channel
For Use With
M68EVB912E128 - BOARD EVAL FOR MC9S12E128/64
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Lead Free Status / Rohs Status
No RoHS Version Available
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3.3.2.7
Read: Anytime. Write: Anytime.
This register selects whether a port M 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.
These bits apply also to the SCI2 outputs and allow a multipoint connection of several serial modules.
If the IIC is enabled, the associated pins are always set to wired-or mode, and the state of the WOMM[7:6]
bits have no effect. The WOMM[7:6] bits will not change to reflect their wired-or mode configuration
when the IIC is enabled.
Freescale Semiconductor
WOMM[7:4]
Reset
Field
7:4
W
R
WOMM7
Wired-OR Mode Port M
0 Output buffers operate as push-pull outputs.
1 Output buffers operate as open-drain outputs.
Port M Wired-OR Mode Register (WOMM)
0
7
= Reserved or Unimplemented
WOMM6
0
6
Figure 3-16. Port M Wired-OR Mode Register (WOMM)
Table 3-13. WOMM Field Descriptions
WOMM5
MC9S12E128 Data Sheet, Rev. 1.07
0
5
WOMM4
0
4
Description
0
0
3
Chapter 3 Port Integration Module (PIM9E128V1)
0
0
2
0
0
1
0
0
0
141
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