MC9S12Q32VFA16 FREESCALE [Freescale Semiconductor, Inc], MC9S12Q32VFA16 Datasheet - Page 263
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MC9S12Q32VFA16
Manufacturer Part Number
MC9S12Q32VFA16
Description
HCS12 Microcontrollers
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.MC9S12Q32VFA16.pdf
(644 pages)
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Freescale Semiconductor
* Denotes the default value out of reset.This value should be used to disable the RTI to ensure future backwards compatibility.
RTR[6:4]
RTR[3:0]
Field
1001 ( 10)
1010 ( 11)
1011 ( 12)
1100 ( 13)
1101 ( 14)
1110 ( 15)
1111 ( 16)
6:4
3:0
0000 ( 1)
0001 ( 2)
0010 ( 3)
0011 ( 4)
0100 ( 5)
0101 ( 6)
0110 ( 7)
0111 ( 8)
1000 ( 9)
RTR[3:0]
Real-Time Interrupt Prescale Rate Select Bits — These bits select the prescale rate for the RTI. See
Real-Time Interrupt Modulus Counter Select Bits — These bits select the modulus counter target value to
provide additional granularity.
source clock for the RTI is OSCCLK.
(OFF)
OFF*
OFF*
OFF*
OFF*
OFF*
OFF*
OFF*
OFF*
OFF*
OFF*
OFF*
OFF*
OFF*
OFF*
OFF*
OFF*
000
10x2
11x2
12x2
13x2
14x2
15x2
16x2
2x2
3x2
4x2
5x2
6x2
7x2
8x2
9x2
(2
001
2
Table 9-7. RTI Frequency Divide Rates
Table 9-6. RTICTL Field Descriptions
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
)
Table 9-7
10x2
11x2
12x2
13x2
14x2
15x2
16x2
2x2
3x2
4x2
5x2
6x2
7x2
8x2
9x2
(2
010
2
11
11
shows all possible divide values selectable by the RTICTL register. The
11
11
11
11
11
11
11
11
MC9S12Q128
11
11
11
11
11
11
11
)
Rev 1.10
Chapter 9 Clocks and Reset Generator (CRGV4) Block Description
Description
10x2
11x2
12x2
13x2
14x2
15x2
16x2
2x2
3x2
4x2
5x2
6x2
7x2
8x2
9x2
(2
011
2
12
12
RTR[6:4] =
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
)
10x2
11x2
12x2
13x2
14x2
15x2
16x2
2x2
3x2
4x2
5x2
6x2
7x2
8x2
9x2
(2
100
2
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
)
10x2
11x2
12x2
13x2
14x2
15x2
16x2
2x2
3x2
4x2
5x2
6x2
7x2
8x2
9x2
(2
101
2
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
)
10x2
11x2
12x2
13x2
14x2
15x2
16x2
2x2
3x2
4x2
5x2
6x2
7x2
8x2
9x2
(2
110
2
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
15
)
Table
10x2
11x2
12x2
13x2
14x2
15x2
16x2
2x2
3x2
4x2
5x2
6x2
7x2
8x2
9x2
(2
111
2
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
)
9-7.
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