MC9S12P64VQK Freescale Semiconductor, MC9S12P64VQK Datasheet - Page 225

• Manufacturer Part Number: MC9S12P64VQK
• Description: 16-bit Microcontrollers - MCU 16 BIT 64K FLASH
• Manufacturer: Freescale Semiconductor

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

7.3.2.16
The CPMUAPITR register configures the trimming of the API time-out period.
Read: Anytime
Write: Anytime
Freescale Semiconductor
0x02F3
APITR[5:0]
After de-assert of System Reset a value is automatically loaded from the Flash memory.
Reset
Field
7–2
W
R
APITR5
Autonomous Periodical Interrupt Period Trimming Bits — See
APITR[5:0] value represents a signed number influencing the ACLK period time.
Autonomous Periodical Interrupt Trimming Register (CPMUAPITR)
Figure 7-20. Autonomous Periodical Interrupt Trimming Register (CPMUAPITR)
F
7
APITR4
APITR[5]
APITR[4]
APITR[3]
APITR[2]
APITR[1]
APITR[0]
F
6
Bit
Table 7-16. CPMUAPITR Field Descriptions
S12P-Family Reference Manual, Rev. 1.13
Table 7-17. Trimming Effect of APITR
Increases period
Decreases period less than APITR[5] increased it
Decreases period less than APITR[4]
Decreases period less than APITR[3]
Decreases period less than APITR[2]
Decreases period less than APITR[1]
APITR3
F
5
APITR2
F
4
Trimming Effect
Description
S12 Clock, Reset and Power Management Unit (S12CPMU)
APITR1
F
3
Table 7-17
APITR0
F
2
for trimming effects. The
0
0
1
0
0
0
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