MC9S12XDT512CAA Freescale, MC9S12XDT512CAA Datasheet - Page 557
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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14.2
Due to the nature of VREG_3V3 being a voltage regulator providing the chip internal power supply
voltages, most signals are power supply signals connected to pads.
14.2.1
Signal V
this pin. A chip external decoupling capacitor (>=100 nF, X7R ceramic) between V
is not available V
For entering Shutdown Mode, pin V
14.2.2
Signals V
regulator. Internal precision reference circuits are supplied from these signals. A chip external decoupling
capacitor (>=100 nF, X7R ceramic) between V
supply.
14.2.3
Signals V
These signals are connected to device pins to allow external decoupling capacitors (220 nF, X7R ceramic).
In Shutdown Mode an external supply driving V
Freescale Semiconductor
Table 14-1
DDR
External Signal Description
DDA
DD
shows all signals of VREG_3V3 associated with pins.
VDDR — Regulator Power Input Pins
VDDA, VSSA — Regulator Reference Supply Pins
VDD, VSS — Regulator Output1 (Core Logic) Pins
/V
is the power input of VREG_3V3. All currents sourced into the regulator loads flow through
/V
Check device level specification for connectivity of the signals.
SS
SSA,
V
SS
are the primary outputs of VREG_3V3 that provide the power supply for the core logic.
REGEN
) can smooth ripple on V
V
which are supposed to be relatively quiet, are used to supply the analog parts of the
V
Name
V
V
V
DDPLL
V
SSPLL
V
DDR
DDA
SSA
DD
SS
(optional)
Power input (positive supply)
Quiet input (positive supply)
Quiet input (ground)
Primary output (positive supply)
Primary output (ground)
Secondary output (positive supply)
Secondary output (ground)
Optional Regulator Enable
MC9S12XDP512 Data Sheet, Rev. 2.21
DDR
Table 14-1. Signal Properties
should also be tied to ground on devices without VREGEN pin.
DDR
Function
DDA
DD
.
NOTE
/V
and V
SS
can replace the voltage regulator.
SSA
can further improve the quality of this
Chapter 14 Voltage Regulator (S12VREG3V3V5)
Reset State
—
—
—
—
—
—
—
—
DDR
Pull Up
—
—
—
—
—
—
—
—
and V
SSR
(if V
SSR
557
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