sc9s12hy64j0vllr Freescale Semiconductor, Inc, sc9s12hy64j0vllr Datasheet - Page 254

• Manufacturer Part Number: sc9s12hy64j0vllr
• Description: S12 Microcontrollers Mcu 16-bit Hcs12 Cisc 32kb Flash 5v Tray
• Manufacturer: Freescale Semiconductor, Inc

S12 Clock, Reset and Power Management Unit (S12CPMU) Block Description
7.3.2.16
The CPMUAPITR register configures the trimming of the API time-out period.
Read: Anytime
Write: Anytime
254
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
MC9S12HY/HA-Family Reference Manual, Rev. 1.04
Table 7-16. CPMUAPITR Field Descriptions
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
APITR1
F
3
Table 7-17
APITR0
F
2
for trimming effects. The
Freescale Semiconductor
0
0
1
0
0
0