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COP8AME9 Datasheet(PDF) 39 Page - Texas Instruments |
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COP8AME9 Datasheet(HTML) 39 Page - Texas Instruments |
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39 / 102 page  COP8AME9, COP8ANE9 www.ti.com SNOS930F – MARCH 2001 – REVISED MARCH 2013 Table 17. Timer Operating Modes Interrupt A Source Interrupt B Source Timer Counts Mode TxC3 TxC2 TxC1 Description On 1 0 1 PWM: TxA Toggle Autoreload RA Autoreload RB tC or MCLK 1 1 0 0 PWM: No TxA Toggle Autoreload RA Autoreload RB tC or MCLK 0 0 0 External Event Counter Timer Underflow Pos. TxB Edge TxA Pos. Edge 2 0 0 1 External Event Counter Timer Underflow Pos. TxB Edge TxA Neg. Edge 0 1 0 Captures: Pos. TxA Edge Pos. TxB Edge tC or MCLK TxA Pos. Edge or Timer TxB Pos. Edge Underflow 1 1 0 Captures: Pos. TxA Neg. TxB tC or MCLK TxA Pos. Edge Edge or Timer Edge TxB Neg. Edge Underflow 3 0 1 1 Captures: Neg. TxA Pos. TxB tC or MCLK TxA Neg. Edge Edge or Timer Edge TxB Pos. Edge Underflow 1 1 1 Captures: Neg. TxA Neg. TxB tC or MCLK TxA Neg. Edge Edge or Timer Edge TxB Neg. Edge Underflow TIMER T2 OPERATION IN IDLE MODE Timer T2 has a special mode that allows it to be operated in IDLE mode. To use this mode, T2 must be configured as a high speed timer, by setting T2HS = 1, and, also, configured to run in the IDLE mode by setting the T2IDLE bit to 1 in the HSTCR register. Table 18 shows the modes of operation allowed for T2 during the IDLE mode. All the T2 modes are allowed except the following: • Using the instruction cycle clock (tc) • PWM: TxA Toggle T2 should not be left in this special mode when entering HALT. The T2IDLE bit must be reset to 0 before entering the HALT mode to ensure that T2 remains in the same state when exiting HALT as it was prior to entering HALT. Table 18. Timer T2 Mode Control Bits in IDLE Mode Interrupt A Source Interrupt B Source Timer Counts Mode TxC3 TxC2 TxC1 Description On 1 0 1 Not Allowed 1 1 0 0 PWM: No TxA Toggle Autoreload RA Autoreload RB MCLK 0 0 0 External Event Counter Timer Underflow Pos. TxB Edge TxA Pos. Edge 2 0 0 1 External Event Counter Timer Underflow Pos. TxB Edge TxA Neg. Edge 0 1 0 Captures: Pos. TxA Edge Pos. TxB Edge MCLK TxA Pos. Edge or Timer TxB Pos. Edge Underflow 1 1 0 Captures: Pos. TxA Pos.TxB MCLK TxA Pos. Edge Edge or Timer Edge TxB Neg. Edge Underflow 3 0 1 1 Captures: Neg. TxA Pos. TxB MCLK TxA Neg. Edge Edge or Timer Edge TxB Pos. Edge Underflow 1 1 1 Captures: Neg. TxA Neg. TxB MCLK TxA Neg. Edge Edge or Timer Edge TxB Neg. Edge Underflow Copyright © 2001–2013, Texas Instruments Incorporated Submit Documentation Feedback 39 Product Folder Links: COP8AME9 COP8ANE9 |
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