MC9S12E128CPVE Freescale Semiconductor, MC9S12E128CPVE Datasheet - Page 368

IC MCU 128K FLASH 25MHZ 112-LQFP

MC9S12E128CPVE

Manufacturer Part Number
MC9S12E128CPVE
Description
IC MCU 128K FLASH 25MHZ 112-LQFP
Manufacturer
Freescale Semiconductor
Series
HCS12r
Datasheets

Specifications of MC9S12E128CPVE

Core Processor
HCS12
Core Size
16-Bit
Speed
25MHz
Connectivity
EBI/EMI, I²C, SCI, SPI
Peripherals
POR, PWM, WDT
Number Of I /o
91
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
112-LQFP
Processor Series
S12E
Core
HCS12
Data Bus Width
16 bit
Data Ram Size
8 KB
Interface Type
SCI/SPI
Maximum Clock Frequency
25 MHz
Number Of Programmable I/os
92
Number Of Timers
12
Operating Supply Voltage
3.135 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWHCS12
Minimum Operating Temperature
- 40 C
On-chip Adc
16-ch x 10-bit
On-chip Dac
2-ch x 8-bit
Controller Family/series
HCS12/S12X
No. Of I/o's
90
Ram Memory Size
8KB
Cpu Speed
25MHz
No. Of Timers
4
Embedded Interface Type
I2C, SCI, SPI
Rohs Compliant
Yes
For Use With
M68EVB912E128 - BOARD EVAL FOR MC9S12E128/64
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant

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Chapter 11 Pulse Width Modulator with Fault Protection (PMF15B6CV2)
11.4.5.3
A current sense pin, ISx, for a PWM pair selects either the odd or the even PWM value registers to use in
the next PWM cycle. The selection is based on user-provided current sense circuitry driving the ISx pin
high for negative current and low for positive current.
Previously shown, the current direction can be determined by the output voltage during deadtime. Thus, a
simple external voltage sensor can be used when current status is completed during deadtime, ISENS = 10.
Deadtime does not exists at the 100 percent and zero percent duty cycle boundaries. Therefore, the second
automatic mode must be used for correction, ISENS = 11, where current status is sampled at the half cycle
in center-aligned operation and at the end of cycle in edge-aligned operation. Using this mode requires
external circuitry. It actually senses current direction.
368
PMFCNT = PMFMOD
Current-Sensing Correction
IN DEADTIME
Pin
IS0
IS1
IS2
ISx PIN
PWM CYCLE START
PWM CYCLE START
ISx PIN
Figure 11-57. Internal Correction Logic when ISENS = 10
Figure 11-58. Internal Correction Logic when ISENS = 11
INITIAL VALUE = 0
INITIAL VALUE = 0
Table 11-49. Top/Bottom Current-Sense Correction
EVEN PWMVAL REGISTER
Logic State
EVEN PWMVAL REGISTER
ODD PWMVAL REGISTER
ODD PWMVAL REGISTER
PWM CONTROLLED BY
PWM CONTROLLED BY
PWM CONTROLLED BY
PWM CONTROLLED BY
D
D
CLK
CLK
0
1
0
1
0
1
MC9S12E128 Data Sheet, Rev. 1.07
Q
Q
D
D
CLK
CLK
PMFVAL0 controls PWM0/PWM1 pair
PMFVAL1 controls PWM0/PWM1 pair
PMFVAL2 controls PWM2/PWM3 pair
PMFVAL3 controls PWM2/PWM3 pair
PMFVAL4 controls PWM4/PWM5 pair
PMFVAL5 controls PWM4/PWM5 pair
Q
Q
A
B
A
B
A/B
A/B
Output Control
GENERATOR
GENERATOR
DEADTIME
DEADTIME
TOP PWM
BOTTOM PWM
TOP PWM
BOTTOM PWM
Freescale Semiconductor

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