MC9S12XDT512CAA Freescale, MC9S12XDT512CAA Datasheet - Page 566
MC9S12XDT512CAA
Manufacturer Part Number
MC9S12XDT512CAA
Description
Manufacturer
Freescale
Datasheet
1.MC9S12XDT512CAA.pdf
(1348 pages)
Specifications of MC9S12XDT512CAA
Cpu Family
HCS12
Device Core Size
16b
Frequency (max)
40MHz
Interface Type
CAN/I2C/SCI/SPI
Total Internal Ram Size
32KB
# I/os (max)
59
Number Of Timers - General Purpose
12
Operating Supply Voltage (typ)
2.5/5V
Operating Supply Voltage (max)
2.75/5.5V
Operating Supply Voltage (min)
2.35/3.15V
On-chip Adc
8-chx10-bit
Instruction Set Architecture
CISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
80
Package Type
PQFP
Program Memory Type
Flash
Program Memory Size
512KB
Lead Free Status / RoHS Status
Compliant
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Chapter 14 Voltage Regulator (S12VREG3V3V5)
The API Trimming bits APITR[5:0] must be set so the minimum period equals 0.2 ms if stable frequency
is desired.
See
14.4.8
This section describes how VREG_3V3 controls the reset of the MCU.The reset values of registers and
signals are provided in
listed in
14.4.9
14.4.9.1
During chip power-up the digital core may not work if its supply voltage V
deassertion level (V
is kept high until V
The power-on reset is active in all operation modes of VREG_3V3.
14.4.9.2
For details on low-voltage reset, see
14.4.10 Interrupts
This section describes all interrupts originated by VREG_3V3.
The interrupt vectors requested by VREG_3V3 are listed in
priorities are defined at MCU level.
566
Table 14-6
Table
Resets
Description of Reset Operation
Power-On Reset (POR)
Low-Voltage Reset (LVR)
14-9.
The first period after enabling the counter by APIFE might be reduced.
The API internal RC oscillator clock is not available if VREG_3V3 is in
Shutdown Mode.
for the trimming effect of APITR.
DD
PORD
Low-voltage interrupt (LVI)
exceeds V
Section 14.3, “Memory Map and Register
Interrupt Source
). Therefore, signal POR, which forces the other blocks of the device into reset,
Low-voltage reset
Power-on reset
Reset Source
PORD
MC9S12XDP512 Data Sheet, Rev. 2.21
Section 14.4.5, “Low-Voltage Reset
Table 14-10. Interrupt Vectors
. The MCU will run the start-up sequence after POR deassertion.
Table 14-9. Reset Sources
Available only in Full Performance Mode
NOTE
LVIE = 1; available only in Full Performance
Local Enable
Always active
Table
Local Enable
Definition”. Possible reset sources are
14-10. Vector addresses and interrupt
Mode
(LVR)”.
DD
is below the POR
Freescale Semiconductor
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