S9S12GN16F0VLF Freescale Semiconductor, S9S12GN16F0VLF Datasheet - Page 391
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S9S12GN16F0VLF
Manufacturer Part Number
S9S12GN16F0VLF
Description
16-bit Microcontrollers - MCU 16-bit16k Flash 2k RAM
Manufacturer
Freescale Semiconductor
Datasheet
1.S9S12G96F0CLL.pdf
(1292 pages)
Specifications of S9S12GN16F0VLF
Rohs
yes
Core
S12
Processor Series
MC9S12G
Data Bus Width
16 bit
Maximum Clock Frequency
25 MHz
Program Memory Size
16 KB
Data Ram Size
1024 B
On-chip Adc
Yes
Operating Supply Voltage
3.13 V to 5.5 V
Operating Temperature Range
- 40 C to + 85 C
Package / Case
TSSOP-20
Mounting Style
SMD/SMT
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10.3.2.15 Autonomous Clock Trimming Register (CPMUACLKTR)
The CPMUACLKTR register configures the trimming of the Autonomous Clock (ACLK - trimmable
internal RC-Oscillator) which can be selected as clock source for some CPMU features
Read: Anytime
Write: Anytime
Freescale Semiconductor
0x02F3
ACLKTR[5:0]
After de-assert of System Reset a value is automatically loaded from the Flash memory.
Reset
Field
7–2
W
R
ACLKTR5
Figure 10-19. Autonomous Periodical Interrupt Trimming Register (CPMUACLKTR)
Autonomous Clock Trimming Bits — See
represents a signed number influencing the ACLK period time.
F
7
ACLKTR4
ACLKTR[5]
ACLKTR[4]
ACLKTR[3]
ACLKTR[2]
ACLKTR[1]
ACLKTR[0]
F
6
Bit
Table 10-17. CPMUACLKTR Field Descriptions
MC9S12G Family Reference Manual, Rev.1.23
Table 10-18. Trimming Effect of ACLKTR
ACLKTR3
Increases period
Decreases period less than ACLKTR[5] increased it
Decreases period less than ACLKTR[4]
Decreases period less than ACLKTR[3]
Decreases period less than ACLKTR[2]
Decreases period less than ACLKTR[1]
F
5
ACLKTR2
Table 10-18
F
4
Trimming Effect
Description
ACLKTR1
S12 Clock, Reset and Power Management Unit (S12CPMU)
for trimming effects. The ACLKTR[5:0] value
F
3
ACLKTR0
F
2
0
0
1
.
0
0
0
393
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