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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TMP93CS41 датащи(PDF) 121 Page - Toshiba Semiconductor |
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TMP93CS41 датащи(HTML) 121 Page - Toshiba Semiconductor |
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121 / 248 page  TMP93CS40/TMP93CS41 2004-02-10 93CS40-119 Figure 3.8.4 Structure of Timer Registers 2 Memory addresses of the timer registers are as follows: TREG2: 000026H (PWM timer 0) TREG3: 000027H (PWM timer 1) The timer register and register buffer are allocated to the same memory address. When <DB2EN> = 0, the same value is written to both the register buffer and timer register. When <DB2EN> = 1, a value is written to the register buffer only. Register buffer values can be read when reading the above addresses. The timer register is write-only and it cannot be read. 4. Comparator This element compares the value in the up counter with the value in the timer register (TREG2). When they match, the comparator outputs the match detect signal. A timer interrupt (INTT2) is generated at compare and match if the interrupt select bit <PWM0INT> of the mode register (P0MOD) is set to 1. In timer mode, the comparator clears the up counter at compare and match. It also inverts the value of the timer flip-flop if timer flip-flop invert is enabled. 5. Timer flip-flop The value of the timer flip-flop is inverted by the match detect signal (comparator output) of each interval timer or by 2n − 1 overflow. The flip-flop value can be output to the timer output pin TO2 (also used as P72). Up counter Register buffer Timer register (TREG2) Comparator Internal data bus TREG2 WR PWM2 n − 1 overflow 8-bit match detect Write Selector <DB2EN> Shift trigger |
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