MC9S12D64MFU Freescale Semiconductor, MC9S12D64MFU Datasheet - Page 108

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MC9S12D64MFU

Manufacturer Part Number
MC9S12D64MFU
Description
IC MCU 64K FLASH 25MHZ 80-QFP
Manufacturer
Freescale Semiconductor
Series
HCS12r
Datasheet

Specifications of MC9S12D64MFU

Core Processor
HCS12
Core Size
16-Bit
Speed
25MHz
Connectivity
CAN, I²C, SCI, SPI
Peripherals
PWM, WDT
Number Of I /o
59
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
2.35 V ~ 5.25 V
Data Converters
A/D 16x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
80-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

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MC9S12DJ64 Device User Guide — V01.20
A.5.1.5 Pseudo Stop and Wait Recovery
The recovery from Pseudo STOP and Wait are essentially the same since the oscillator was not stopped in
both modes. The controller can be woken up by internal or external interrupts. After t
fetching the interrupt vector.
A.5.2 Oscillator
The device features an internal Colpitts and Pierce oscillator. The selection of Colpitts oscillator or Pierce
oscillator/external clock depends on the XCLKS signal which is sampled during reset. Pierce
oscillator/external clock mode allows the input of a square wave. Before asserting the oscillator to the
internal system clocks the quality of the oscillation is checked for each start from either power-on, STOP
or oscillator fail. t
POR or STOP if a proper oscillation is not detected. The quality check also determines the minimum
oscillator start-up time t
asserted if the frequency of the incoming clock signal is below the Assert Frequency f
Conditions are shown in Table A-4 unless otherwise noted
Num C
108
1a
1b
10
11
12
13
14
15
2
3
4
5
6
7
8
9
C Crystal oscillator range (Colpitts)
C Crystal oscillator range (Pierce)
P Startup Current
C Oscillator start-up time (Colpitts)
D Clock Quality check time-out
P Clock Monitor Failure Assert Frequency
P External square wave input frequency
D External square wave pulse width low
D External square wave pulse width high
D External square wave rise time
D External square wave fall time
D Input Capacitance (EXTAL, XTAL pins)
C
P EXTAL Pin Input High Voltage
P EXTAL Pin Input Low Voltage
C EXTAL Pin Input Hysteresis
T EXTAL Pin Input High Voltage
T EXTAL Pin Input Low Voltage
DC Operating Bias in Colpitts Configuration on
EXTAL Pin
CQOUT
UPOSC
specifies the maximum time before switching to the internal self clock mode after
Rating
. The device also features a clock monitor. A Clock Monitor Failure is
Table A-15 Oscillator Characteristics
4
4
4
4
4
1
4
V
V
V
Symbol
V
V
V
HYS,EXTAL
t
t
IH,EXTAL
IH,EXTAL
CQOUT
IL,EXTAL
IL,EXTAL
UPOSC
f
t
t
t
t
DCBIAS
f
f
i
CMFA
f
EXTH
EXTR
EXTL
EXTF
OSC
OSC
OSC
C
EXT
IN
0.75*V
V
DDPLL
Min
0.45
100
0.5
0.5
0.5
9.5
9.5
50
DDPLL
- 0.3
Typ
100
250
1.1
8
7
2
wrs
CMFA.
0.25*V
V
DDPLL
the CPU starts
Max
100
200
2.5
16
40
50
1
1
DDPLL
+ 0.3
3
Unit
MHz
MHz
MHz
KHz
mV
ms
pF
ns
ns
ns
ns
V
V
V
V
V
s
A

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