MC9S12P64VQK Freescale Semiconductor, MC9S12P64VQK Datasheet - Page 239
MC9S12P64VQK
Manufacturer Part Number
MC9S12P64VQK
Description
16-bit Microcontrollers - MCU 16 BIT 64K FLASH
Manufacturer
Freescale Semiconductor
Datasheet
1.MC9S12P64VQK.pdf
(566 pages)
Specifications of MC9S12P64VQK
Rohs
yes
Core
S12
Processor Series
MC9S12P
Data Bus Width
16 bit
Maximum Clock Frequency
64 MHz
Program Memory Size
64 KB
Data Ram Size
4 KB
On-chip Adc
Yes
Operating Supply Voltage
5 V
Operating Temperature Range
- 40 C to 105 C
Package / Case
QFP-80
Mounting Style
SMD/SMT
Interface Type
I2C, SCI, SPI
Program Memory Type
Flash
Available stocks
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7.4.2
An example of startup of clock system from Reset is given in
7.4.3
An example of what happens going into Stop Mode and exiting Stop Mode after an interrupt is shown in
Figure
Freescale Semiconductor
LOCK
System
Reset
LOCK
SYNDIV
POSTDIV $03 (default target f
CPU
PLLCLK
PLLCLK
CPU
7-32. Disable PLL Lock interrupt (LOCKIE=0) before going into Stop Mode.
execution
f
VCORST
Startup from Reset
Stop Mode using PLLCLK as Bus Clock
$1F (default target f
reset state
768 cycles
) (
STOP instruction
Figure 7-32. Stop Mode using PLLCLK as Bus Clock
wakeup
Figure 7-31. Startup of clock system after Reset
PLL
VCO
S12P-Family Reference Manual, Rev. 1.13
=f
vector fetch, program execution
=64MHz)
VCO
/4 = 16MHz)
t
STP_REC
f
PLL
increasing
t
lock
interrupt
S12 Clock, Reset and Power Management Unit (S12CPMU)
t
lock
Figure
continue execution
f
7-31.
PLL
=16MHz
example change
of POSTDIV
$01
f
PLL
=32 MHz
239
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