MC9S12XEG128MAA Freescale Semiconductor, MC9S12XEG128MAA Datasheet - Page 814
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MC9S12XEG128MAA
Manufacturer Part Number
MC9S12XEG128MAA
Description
MCU 16BIT 128K FLASH 80-QFP
Manufacturer
Freescale Semiconductor
Series
HCS12r
Datasheet
1.MC9S12XEP768CAL.pdf
(1328 pages)
Specifications of MC9S12XEG128MAA
Core Processor
HCS12X
Core Size
16-Bit
Speed
50MHz
Connectivity
CAN, EBI/EMI, I²C, IrDA, SCI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
59
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
12K x 8
Voltage - Supply (vcc/vdd)
1.72 V ~ 5.5 V
Data Converters
A/D 12x12b
Oscillator Type
External
Operating Temperature
-40°C ~ 125°C
Package / Case
80-QFP
Processor Series
S12XE
Core
HCS12
Data Bus Width
16 bit
Data Ram Size
12 KB
Interface Type
CAN/SCI/SPI
Maximum Clock Frequency
50 MHz
Number Of Programmable I/os
59
Number Of Timers
25
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWHCS12
Development Tools By Supplier
KIT33812ECUEVME, EVB9S12XEP100, DEMO9S12XEP100
Minimum Operating Temperature
- 40 C
On-chip Adc
8-ch x 12-bit
No. Of I/o's
59
Eeprom Memory Size
2KB
Ram Memory Size
12KB
Cpu Speed
50MHz
No. Of Timers
3
No. Of Pwm Channels
8
Digital Ic Case Style
QFP
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Chapter 22 Timer Module (TIM16B8CV2) Block Description
Note: in
22.4.3.1
Internal register whose output drives OCx can be programmed before timer drives OCx. The desired state
can be programmed to this Internal register by writing a one to CFORCx bit with TIOSx, OCPDx and TEN
bits set to one. Setting OCPDx to zero allows Interal register to drive the programmed state to OCx. This
allows a glitch free switch over of port from general purpose I/O to timer output once the OCPDx bit is set
to zero.
22.4.4
The pulse accumulator (PACNT) is a 16-bit counter that can operate in two modes:
Event counter mode — Counting edges of selected polarity on the pulse accumulator input pin, PAI.
Gated time accumulation mode — Counting pulses from a divide-by-64 clock. The PAMOD bit selects the
mode of operation.
The minimum pulse width for the PAI input is greater than two bus clocks.
22.4.5
Clearing the PAMOD bit configures the PACNT for event counter operation. An active edge on the IOC7
pin increments the pulse accumulator counter. The PEDGE bit selects falling edges or rising edges to
increment the count.
The Pulse Accumulator counter register reflect the number of active input edges on the PACNT input pin
since the last reset.
The PAOVF bit is set when the accumulator rolls over from 0xFFFF to 0x0000. The pulse accumulator
overflow interrupt enable bit, PAOVI, enables the PAOVF flag to generate interrupt requests.
814
Because of an order from the United States International Trade Commission, BGA-packaged product lines and partnumbers
indicated here currently are not available from Freescale for import or sale in the United States prior to September 2010
TC7 event
Figure
Pulse Accumulator
Event Counter Mode
TC7
OC Channel Initialization
The PACNT input and timer channel 7 use the same pin IOC7. To use the
IOC7, disconnect it from the output logic by clearing the channel 7 output
mode and output level bits, OM7 and OL7. Also clear the channel 7 output
compare 7 mask bit, OC7M7.
22-31, if PR[2:0] is equal to 0, one prescaler counter is equal to one bus clock
prescaler
counter
Figure 22-31. The TCNT cycle diagram under TCRE=1 condition
0
MC9S12XE-Family Reference Manual Rev. 1.23
1
NOTE
-----
TC7-1
TC7 event
1 bus
clock
TC7
Freescale Semiconductor
0
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