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EZ80L92AZ020EC 数据表(PDF) 93 Page - Zilog, Inc. |
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EZ80L92AZ020EC 数据表(HTML) 93 Page - Zilog, Inc. |
93 / 241 page PS013012-1004 PRELIMINARY Programmable Reload Timers eZ80L92 MCU Product Specification 78 CONTINUOUS Mode In CONTINUOUS mode, when the end-of-count value, 0000h, is reached, the timer auto- matically reloads the 16-bit start value from the Timer Reload registers, TMRx_RR_H and TMRx_RR_L. Downcounting continues on the next clock edge. In CONTINUOUS mode, the PRT continues to count until disabled. An example of a PRT operating in CONTINU- OUS mode is illustrated in Figure 20. Timer register information is indicated in Table 30. Table 29. PRT SINGLE PASS Mode Operation Example Parameter Control Register(s) Value PRT Enabled TMRx_CTL[0] 1 Reload and Restart Enabled TMRx_CTL[1] 1 PRT Clock Divider = 4 TMRx_CTL[3:2] 00b SINGLE PASS Mode TMRx_CTL[4] 0 PRT Interrupt Enabled TMRx_CTL[6] 1 PRT Reload Value {TMRx_RR_H, TMRx_RR_L} 0004h Figure 20. PRT CONTINUOUS Mode Operation Example Table 30. PRT CONTINUOUS Mode Operation Example Parameter Control Register(s) Value PRT Enabled TMRx_CTL[0] 1 Reload and Restart Enabled TMRx_CTL[1] 1 PRT Clock Divider = 4 TMRx_CTL[3:2] 00b CLK CLKEN IOWRN t 7:0] IRQ 0 04 43 2 1 CNTH t 7:0] CNTL |
类似零件编号 - EZ80L92AZ020EC |
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类似说明 - EZ80L92AZ020EC |
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