MC9S12P64VQK Freescale Semiconductor, MC9S12P64VQK Datasheet - Page 202
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
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S12 Clock, Reset and Power Management Unit (S12CPMU)
Figure 7-2
7.2
This section lists and describes the signals that connect off chip.
7.2.1
RESET is an active-low bidirectional pin. As an input it initializes the MCU asynchronously to a known
start-up state. As an open-drain output it indicates that an MCU-internal reset has been triggered.
7.2.2
These pins provide the interface for a crystal to control the internal clock generator circuitry. EXTAL is
the external clock input or the input to the crystal oscillator amplifier. XTAL is the output of the crystal
oscillator amplifier. The MCU internal OSCCLK is derived from the EXTAL input frequency. If OSCE=0,
202
Signal Description
shows a block diagram of the OSCLCP.
RESET
EXTAL and XTAL
Detector
Peak
EXTAL
Figure 7-1. Block diagram of S12CPMU
S12P-Family Reference Manual, Rev. 1.13
Figure 7-2. OSCLCP Block Diagram
Gain Control
Rf
V
V
DDPLL
SSPLL
= 1.8 V
OSCCLK
XTAL
Freescale Semiconductor
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