Datasheet

Chapter 4 Clocks and Reset Generator (CRGV4)
MC9S12E128 Data Sheet, Rev. 1.07
Freescale Semiconductor 177
Table 4-7. RTI Frequency Divide Rates
RTR[3:0]
RTR[6:4] =
000
(OFF)
001
(2
10
)
010
(2
11
)
011
(2
12
)
100
(2
13
)
101
(2
14
)
110
(2
15
)
111
(2
16
)
0000 (÷1)
OFF* 2
10
2
11
2
12
2
13
2
14
2
15
2
16
0001 (÷2)
OFF* 2x2
10
2x2
11
2x2
12
2x2
13
2x2
14
2x2
15
2x2
16
0010 (÷3)
OFF* 3x2
10
3x2
11
3x2
12
3x2
13
3x2
14
3x2
15
3x2
16
0011 (÷4)
OFF* 4x2
10
4x2
11
4x2
12
4x2
13
4x2
14
4x2
15
4x2
16
0100 (÷5)
OFF* 5x2
10
5x2
11
5x2
12
5x2
13
5x2
14
5x2
15
5x2
16
0101 (÷6)
OFF* 6x2
10
6x2
11
6x2
12
6x2
13
6x2
14
6x2
15
6x2
16
0110 (÷7)
OFF* 7x2
10
7x2
11
7x2
12
7x2
13
7x2
14
7x2
15
7x2
16
0111 (÷8)
OFF* 8x2
10
8x2
11
8x2
12
8x2
13
8x2
14
8x2
15
8x2
16
1000 (÷9)
OFF* 9x2
10
9x2
11
9x2
12
9x2
13
9x2
14
9x2
15
9x2
16
1001 (÷10)
OFF* 10x2
10
10x2
11
10x2
12
10x2
13
10x2
14
10x2
15
10x2
16
1010 (÷11)
OFF* 11x2
10
11x2
11
11x2
12
11x2
13
11x2
14
11x2
15
11x2
16
1011 (÷12)
OFF* 12x2
10
12x2
11
12x2
12
12x2
13
12x2
14
12x2
15
12x2
16
1100 (÷ 13)
OFF* 13x2
10
13x2
11
13x2
12
13x2
13
13x2
14
13x2
15
13x2
16
1101 (÷14)
OFF* 14x2
10
14x2
11
14x2
12
14x2
13
14x2
14
14x2
15
14x2
16
1110 (÷15)
OFF* 15x2
10
15x2
11
15x2
12
15x2
13
15x2
14
15x2
15
15x2
16
1111 (÷ 16)
OFF* 16x2
10
16x2
11
16x2
12
16x2
13
16x2
14
16x2
15
16x2
16
* Denotes the default value out of reset.This value should be used to disable the RTI to ensure future backwards compatibility.