XC164-16 Datasheet, PDF (65/417 Pages) Infineon Technologies AG – 16-Bit Single-Chip Microcontroller with C166SV2 Core Volume 2 (of 2): Peripheral Units

XC164-16 Derivatives
Peripheral Units (Vol. 2 of 2)
The General Purpose Timer Units
Table 14-16 GPT2 Overall Prescaler Factors for Internal Count Clock
Individual
Common Prescaler for Module Clock¹⁾
Prescaler for Tx _{BPS2 = 01B BPS2 = 00B BPS2 = 11B BPS2 = 10B}
TxI = 000_B
2
4
8
16
TxI = 001_B
4
8
16
32
TxI = 010_B
8
16
32
64
TxI = 011_B
16
32
64
128
TxI = 100_B
32
64
128
256
TxI = 101_B
64
128
256
512
TxI = 110_B
128
256
512
1024
TxI = 111_B
256
512
1) Please note the non-linear encoding of bitfield BPS2.
1024
2048
Table 14-17 lists a timer’s parameters (such as count frequency, resolution, and period)
resulting from the selected overall prescaler factor and the applied system frequency.
Note that some numbers may be rounded.
Table 14-17 GPT2 Timer Parameters
System Clock = 10 MHz
Frequency Resolution Period
Overall
System Clock = 40 MHz
Divider _{Frequency Resolution Period}
Factor
5.0 MHz
200 ns
13.11 ms 2
20.0 MHz 50 ns
3.28 ms
2.5 MHz
400 ns
26.21 ms 4
10.0 MHz 100 ns
6.55 ms
1.25 MHz 800 ns
52.43 ms 8
5.0 MHz 200 ns
13.11 ms
625.0 kHz 1.6 µs
104.9 ms 16
2.5 MHz 400 ns
26.21 ms
312.5 kHz 3.2 µs
209.7 ms 32
1.25 MHz 800 ns
52.43 ms
156.25 kHz 6.4 µs
419.4 ms 64
625.0 kHz 1.6 µs
104.9 ms
78.125 kHz 12.8 µs
838.9 ms 128
312.5 kHz 3.2 µs
209.7 ms
39.06 kHz 25.6 µs
1.678 s 256
156.25 kHz 6.4 µs
419.4 ms
19.53 kHz 51.2 µs
3.355 s 512
78.125 kHz 12.8 µs
838.9 ms
9.77 kHz 102.4 µs 6.711 s 1024 39.06 kHz 25.6 µs
1.678 s
4.88 kHz 204.8 µs 13.42 s 2048 19.53 kHz 51.2 µs
3.355 s
User’s Manual
GPT_X41, V2.0
14-52
V2.1, 2004-03