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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TMP86CS64AFG датащи(PDF) 117 Page - Toshiba Semiconductor |
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TMP86CS64AFG датащи(HTML) 117 Page - Toshiba Semiconductor |
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117 / 202 page  Page 107 TMP86CS64AFG 10.3 Function TimerCounter 3 has three types of operating modes: timer, event counter and capture modes. 10.3.1 Timer mode In the timer mode, the up-counter counts up using the internal clock. When a match between the up-counter and the timer register 3A (TC3DRA) value is detected, an INTTC3 interrupt is generated and the up-counter is cleared. After being cleared, the up-counter restarts counting. Setting TC3CR<ACAP> to 1 captures the up- counter value into the timer register B (TC3DRB) with the auto-capture function. The count value during timer operation can be checked by executing the read instruction to TC3DRB. Note:00H which is stored in the up-counter immediately after detection of a match is not captured into TC3DRB. (Figure 10-2) Figure 10-2 Auto-Capture Function Table 10-1 Source Clock for TimerCounter 3 (Example: fc = 16 MHz, fs = 32.768 kHz) TC3CK NORMAL1/2, IDLE1/2 mode SLOW1/2, SLEEP1/2 mode DV7CK = 0DV7CK = 1 DV1CK = 0DV1CK = 1DV1CK = 0DV1CK = 1 Reso- lution [ µs] Maximum Time Setting [ms] Reso- lution [ µs] Maximum Time Setting [ms] Reso- lution [ µs] Maximum Time Setting [ms] Reso- lution [ µs] Maximum Time Setting [ms] Reso- lution [ µs] Resolution [ms] 000 512 130.6 1024 261.1 976.56 249.0 976.56 249.0 976.56 249.0 001 256 65.3 512 130.6 488.28 124.5 488.28 124.5 488.28 124.5 010 128 32.6 256 65.3 244.14 62.3 244.14 62.3 244.14 62.3 011 64 16.3 128 32.6 122.07 31.1 122.07 31.1 122.07 31.1 100 32 8.2 64 16.3 61.01 15.6 61.01 15.6 61.01 15.6 101 16 4.1 32 8.2 16.0 4.1 32.0 8.2 – – 110 8 2.0 16 4.1 8.0 2.0 16.0 4.1 – – TC3DRB Note: In the case that TC3DRB is C8H Clock Up-counter Match detect C7 C8 TC3DRA C8 00 01 C7 C8 C6 C6 01 |
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