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GMS81608T 数据表(PDF) 35 Page - Hynix Semiconductor |
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GMS81608T 数据表(HTML) 35 Page - Hynix Semiconductor |
35 / 79 page 16-bit Timer/Counter Mode The Timer register is being run with all 16 bits. A 16-bit timer/counter register T0, T1 are incremented from 0000H until it matches TDR0, TDR1 and then resets to 0000H. The match output generates Timer 0 inter- rupt. The clock source of the Timer 0 is selected either internal or external clock by bit T0SL1, T0SL0. Even if the Timer 0 (including the Timer 1) is used as a 16-bit timer, the Timer 2 and Timer 3 can still be used as either two 8-bit timer or one 16-bit timer by setting the TM2. Reversely, even if the Timer 2 (including the Timer 3) is used as a 16-bit timer, the Timer 0 and Timer 1 can still be used as 8-bit timer independently. TM0 CAP0 T1ST T1SL1 T1SL0 T0ST T0CN T0SL1 T0SL0 0 X 0 0 X X X X MSB LSB ÷ 4 ÷ 16 ÷ 64 TDR0 (8-BITS) TIMER 0 INTERRUPT T0SL[1:0] XIN PIN EC0 PIN T0 (8-BITS) T0CN COMPARATOR T0ST CLEAR T0IF MUX PRESCALER TIMER 0 TDR1 (8-BITS) T1 (8-BITS) THIS FIGURE IS A EXAMPLE OF THE TIMER 0 AND TIMER 1. IN THE TIMER 2, EACH REGISTERS AND FLAGS MAY BE CHANGED CORRESPONDINGLY. (NOT TIMER 1 INTERRUPT) EDGE DETECTOR 0: Stop 1: Clear and Start ADDRESS: E2H RESET VALUE: 00H HIGHER LOWER (+TIMER1) 1 0 DO NOT CARE Figure 19. 16-bit Timer/Counter Mode TDR0 MATCH 00H TIMER INTERRUPT TIME CLEAR CLEAR CLEAR OCCUR INTERRUPT OCCUR INTERRUPT MATCH Clear and Start Stop Stop TxST TxCN Restart Count Up HIGH LOW HIGH LOW Figure 20. Timer Count Operation LG Semicon GMS81604/08 31 |
类似零件编号 - GMS81608T |
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类似说明 - GMS81608T |
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