st10f272z2 STMicroelectronics, st10f272z2 Datasheet - Page 62

• Manufacturer Part Number: st10f272z2
• Description: 16-bit Mcu With 256 Kbyte Flash Memory And 20 Kbyte Ram
• Manufacturer: STMicroelectronics

General purpose timer unit
Table 35.
Table 36.
62/189
Resolution
Period
maximum
Pre-scaler factor
Input Freq
Resolution
Period maximum
f
CPU
f
CPU
= 40 MHz
= 64 MHz
GPT1 timer input frequencies, resolutions and periods at 40 MHz (continued)
GPT1 timer input frequencies, resolutions and periods at 64 MHz
Figure 10. Block diagram of GPT1
13.1 ms
200 ns
000b
125 ns
8 MHz
8.2 ms
000b
CPU Clock
CPU Clock
CPU Clock
8
T3EUD
T2EUD
T4EUD
T3IN
T2IN
T4IN
26.2 ms
400 ns
001b
16.4 ms
250 ns
4 MHz
001b
2n n=3...10
2n n=3...10
2n n=3...10
16
52.4 ms
0.8 µs
010b
32.8 ms
2 MHz
0.5 µs
010b
32
Timer Input Selection T2I / T3I / T4I
T2
Mode
Control
T3
Mode
Control
Timer Input Selection T2I / T3I / T4I
T4
Mode
Control
104.8 ms
1.6 µs
011b
65.5 ms
1.0 µs
1 kHz
011b
64
Reload
Reload
Capture
Capture
209.7 ms
131.1 ms
3.2 µs
500 kHz
100b
2.0 µs
100b
U/D
128
GPT1 Timer T3
GPT1 Timer T4
GPT1 Timer T2
U/D
U/D
419.4 ms
262.1 ms
250 kHz
6.4 µs
101b
4.0 µs
101b
256
T3OTL
838.9 ms
524.3 ms
12.8 µs
128 kHz
110b
8.0 µs
110b
512
Interrupt
Request
Interrupt
Request
Request
Interrupt
T3OUT
ST10F272Z2
25.6 µs
1.678 s
16.0 µs
1.049 s
64 kHz
111b
111b
1024