S912XET512J3VALR Freescale Semiconductor, S912XET512J3VALR Datasheet - Page 186
S912XET512J3VALR
Manufacturer Part Number
S912XET512J3VALR
Description
16-bit Microcontrollers - MCU 16 BIT,512K FLASH
Manufacturer
Freescale Semiconductor
Datasheet
1.S912XEG128J2MAL.pdf
(1324 pages)
Specifications of S912XET512J3VALR
Rohs
yes
Core
HCS12X
Processor Series
MC9S12XE
Data Bus Width
16 bit
Maximum Clock Frequency
50 MHz
Program Memory Size
512 KB
Data Ram Size
32 KB
On-chip Adc
Yes
Operating Supply Voltage
3.13 V to 5.5 V
Operating Temperature Range
- 40 C to + 105 C
Package / Case
LQFP-112
Mounting Style
SMD/SMT
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
S912XET512J3VALR
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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Chapter 2 Port Integration Module (S12XEPIMV1)
t
pulse
Figure 2-109. Pulse Illustration
A valid edge on an input is detected if 4 consecutive samples of a passive level are followed by 4
consecutive samples of an active level directly or indirectly.
The filters are continuously clocked by the bus clock in RUN and WAIT mode. In STOP mode the clock
is generated by an RC-oscillator in the Port Integration Module. To maximize current saving the RC
oscillator runs only if the following condition is true on any pin individually:
Sample count <= 4 and interrupt enabled (PIE=1) and interrupt flag not set (PIF=0)
2.5
Initialization Information
2.5.1
Port Data and Data Direction Register writes
It is not recommended to write PORTx/PTx and DDRx in a word access. When changing the register pins
from inputs to outputs, the data may have extra transitions during the write access. Initialize the port data
register before enabling the outputs.
MC9S12XE-Family Reference Manual Rev. 1.25
186
Freescale Semiconductor
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