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TMS370 Datasheet(PDF) 33 Page - Texas Instruments |
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TMS370 Datasheet(HTML) 33 Page - Texas Instruments |
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33 / 77 page  TMS370Cx5x 8-BIT MICROCONTROLLER SPNS010F – DECEMBER 1986 – REVISED FEBRUARY 1997 33 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 timer 2A module (continued) D Selectable edge-detection circuitry that, depending on the mode of operation, senses active transitions on the input capture pins (T2AIC1/CR) D Interrupts that can be generated on the occurrence of: – A compare equal to dedicated compare register – A compare equal to capture-compare register – A counter overflow – An external edge 1 detection – An external edge 2 detection D Fourteen T2A module-control registers: Located in the PF frame beginning at address P060 The T2A module-control registers are illustrated in Table 19. Table 19. Timer 2A Module Register Memory Map PF BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0 REG Modes: Dual-Compare and Dual-Capture P060 Bit 15 T2A Counter MSbyte Bit 8 T2ACNTR P061 Bit 7 T2A Counter LSbyte Bit 0 T2ACNTR P062 Bit 15 Compare Register MSbyte Bit 8 T2AC P063 Bit 7 Compare Register LSbyte Bit 0 T2AC P064 Bit 15 Capture/Compare Register MSbyte Bit 8 T2ACC P065 Bit 7 Capture/Compare Register LSbyte Bit 0 T2ACC P066 Bit 15 Capture Register 2 MSbyte Bit 8 T2AIC P067 Bit 7 Capture Register 2 LSbyte Bit 0 T2AIC P06A — — — T2A OVRFL INT ENA T2A OVRFL INT FLAG T2A INPUT SELECT1 T2A INPUT SELECT0 T2A SW RESET T2ACTL1 Mode: Dual-Compare P06B T2AEDGE1 INT FLAG T2AC2 INT FLAG T2AC1 INT FLAG — — T2AEDGE1 INT ENA T2AC2 INT ENA T2AC1 INT ENA T2ACTL2 P06C T2A MODE = 0 T2AC1 OUT ENA T2AC2 OUT ENA T2AC1 RST ENA T2AEDGE1 OUT ENA T2AEDGE1 POLARITY T2AEDGE1 RST ENA T2AEDGE1 DET ENA T2ACTL3 Mode: Dual-Capture P06B T2AEDGE1 INT FLAG T2AEDGE2 INT FLAG T2AC1 INT FLAG — — T2AEDGE1 INT ENA T2AEDGE2 INT ENA T2AC1 INT ENA T2ACTL2 P06C T2A MODE = 1 — — T2AC1 RST ENA T2AEDGE2 POLARITY T2AEDGE1 POLARITY T2AEDGE2 DET ENA T2AEDGE1 DET ENA T2ACTL3 Modes: Dual-Compare and Dual-Capture P06D — — — — T2AEVT DATA IN T2AEVT DATA OUT T2AEVT FUNCTION T2AEVT DATA DIR T2APC1 P06E T2AIC2 / PWM DATA IN T2AIC2 / PWM DATA OUT T2AIC2 / PWM FUNCTION T2AIC2 / PWM DATA DIR T2AIC1/CR DATA IN T2AIC1/CR DATA OUT T2AIC1/CR FUNCTION T2AIC1/CR DATA DIR T2APC2 P06F T2A STEST T2A PRIORITY — — — — — — T2APRI |
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