ST10F272B_12 STMICROELECTRONICS [STMicroelectronics], ST10F272B_12 Datasheet - Page 64

• Manufacturer Part Number: ST10F272B_12
• Description: 16-bit MCU with 256 Kbyte Flash memory and 12/20 Kbyte RAM
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

General purpose timer unit
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Table 35.
Table 36.
Figure 9.
Resolution
Period
maximum
Pre-scaler
factor
Input Freq
Resolution
Period
maximum
f
f
CPU
CPU
= 40 MHz
= 64 MHz
GPT1 timer input frequencies, resolutions and periods at 40 MHz
GPT1 timer input frequencies, resolutions and periods at 64 MHz
Block diagram of GPT1
13.1ms
200ns
125ns
8.2ms
8MHz
000b
000b
8
26.2ms
16.4ms
400ns
250ns
4MHz
001b
001b
16
Doc ID 11917 Rev 3
52.4ms
32.8ms
2MHz
0.8µs
0.5µs
010b
010b
Timer Input Selection T2I / T3I / T4I
Timer Input Selection T2I / T3I / T4I
32
65.5ms 131.1ms 262.1ms
104.8
1 kHz
1.6µs
1.0µs
011b
011b
ms
64
209.7ms 419.4ms
500 kHz
3.2µs
2.0µs
100b
100b
128
250 kHz
6.4µs
4.0µs
101b
101b
256
ST10F272B/ST10F272E
838.9ms
524.3ms
128 kHz
12.8µs
8.0µs
110b
110b
512
64 kHz
25.6µs
1.678s
16.0µs
1.049s
111b
111b
1024