XC161 Datasheet, PDF (42/419 Pages) Infineon Technologies AG – 16-Bit Single-Chip Microcontroller with C166SV2 Core Volume 2 (of 2): Peripheral Units

XC161 Derivatives
Peripheral Units (Vol. 2 of 2)
The General Purpose Timer Units
Table 14-7 GPT1 Overall Prescaler Factors for Internal Count Clock
Individual
Prescaler for Tx
TxI = 000_B
Common Prescaler for Module Clock¹⁾
BPS1 = 01_B
4
BPS1 = 00_B
8
BPS1 = 11_B
16
BPS1 = 10_B
32
TxI = 001_B
8
16
32
64
TxI = 010_B
16
32
64
128
TxI = 011_B
32
64
128
256
TxI = 100_B
64
128
256
512
TxI = 101_B
128
256
512
1024
TxI = 110_B
256
512
1024
2048
TxI = 111_B
512
1024
1) Please note the non-linear encoding of bitfield BPS1.
2048
4096
Table 14-8 GPT1 Timer Parameters
System Clock = 10 MHz
Frequency Resolution Period
Overall
System Clock = 40 MHz
Divider _{Frequency Resolution Period}
Factor
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
2.44 kHz 409.6 µs 26.84 s 4096 9.77 kHz 102.4 µs 6.711 s
User’s Manual
GPT_X1, V2.0
14-28
V2.2, 2004-01