MC9S12D64MFUE Freescale, MC9S12D64MFUE Datasheet - Page 65

MC9S12D64MFUE

Manufacturer Part Number
MC9S12D64MFUE
Description
Manufacturer
Freescale
Datasheet

Specifications of MC9S12D64MFUE

Cpu Family
HCS12
Device Core Size
16b
Frequency (max)
25MHz
Interface Type
CAN/I2C/SCI/SPI
Total Internal Ram Size
4KB
# I/os (max)
49
Number Of Timers - General Purpose
8
Operating Supply Voltage (typ)
2.5/5V
Operating Supply Voltage (max)
2.75/5.25V
Operating Supply Voltage (min)
2.35/4.5V
On-chip Adc
2(8-chx10-bit)
Instruction Set Architecture
CISC
Operating Temp Range
-40C to 125C
Operating Temperature Classification
Automotive
Mounting
Surface Mount
Pin Count
80
Package Type
PQFP
Program Memory Type
Flash
Program Memory Size
64KB
Lead Free Status / RoHS Status
Compliant

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2.4.1 VDDX, VSSX — Power & Ground Pins for I/O Drivers
External power and ground for I/O drivers. Because fast signal transitions place high, short-duration
current demands on the power supply, use bypass capacitors with high-frequency characteristics and place
them as close to the MCU as possible. Bypass requirements depend on how heavily the MCU pins are
loaded.
VDDX and VSSX are the supplies for Ports J, K, M, P, T and S.
2.4.2 VDDR, VSSR — Power & Ground Pins for I/O Drivers & for Internal
Voltage Regulator
External power and ground for I/O drivers and input to the internal voltage regulator. Because fast signal
transitions place high, short-duration current demands on the power supply, use bypass capacitors with
high-frequency characteristics and place them as close to the MCU as possible. Bypass requirements
depend on how heavily the MCU pins are loaded.
VDDR and VSSR are the supplies for Ports A, B, E and H.
2.4.3 VDD1, VDD2, VSS1, VSS2 — Internal Logic Power Supply Pins
Power is supplied to the MCU through VDD and VSS. Because fast signal transitions place high,
short-duration current demands on the power supply, use bypass capacitors with high-frequency
characteristics and place them as close to the MCU as possible. This 2.5V supply is derived from the
internal voltage regulator. There is no static load on those pins allowed. The internal voltage regulator is
turned off, if VREGEN is tied to ground.
2.4.4 VDDA, VSSA — Power Supply Pins for ATD0/ATD1 and VREG
VDDA, VSSA are the power supply and ground input pins for the voltage regulator and the two analog to
digital converters. It also provides the reference for the internal voltage regulator. This allows the supply
voltage to ATD0/ATD1 and the reference voltage to be bypassed independently.
NOTE:
Mnemonic
VREGEN
VDDPLL
VSSPLL
No load allowed except for bypass capacitors.
112-pin QFP
Pin Number
43
45
97
Nominal
Voltage
2.5V
5.0V
0V
Provides operating voltage and ground for the Phased-Locked
Internal Voltage Regulator enable/disable
Loop. This allows the supply voltage to the PLL to be
bypassed independently. Internal power and ground
generated by internal regulator.
MC9S12DJ64 Device User Guide — V01.20
Description
65

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