
vi
7540 Group User’s Manual
List of figures
Fig. 2.3.1 Memory map of registers relevant to timer 1 ........................................................2-36
Fig. 2.3.2 Structure of Prescaler 1 ............................................................................................2-36
Fig. 2.3.3 Structure of Timer 1 ..................................................................................................2-37
Fig. 2.3.4 Structure of MISRG ...................................................................................................2-37
Fig. 2.3.5 Structure of Interrupt request register 2 .................................................................2-38
Fig. 2.3.6 Structure of Interrupt control register 2 ..................................................................2-38
Fig. 2.4.1 Memory map of registers relevant to timer X........................................................2-40
Fig. 2.4.2 Structure of Port P0 direction register ....................................................................2-41
Fig. 2.4.3 Structure of Port P1 direction register ....................................................................2-41
Fig. 2.4.4 Structure of Timer X mode register.........................................................................2-42
Fig. 2.4.5 Structure of Prescaler X............................................................................................2-43
Fig. 2.4.6 Structure of Timer X ..................................................................................................2-43
Fig. 2.4.7 Structure of Timer count source set register .........................................................2-44
Fig. 2.4.8 Structure of Interrupt request register 1 .................................................................2-45
Fig. 2.4.9 Structure of Interrupt control register 1 ..................................................................2-45
Fig. 2.4.10 Setting method for timer mode ..............................................................................2-47
Fig. 2.4.11 Connection of timer and setting of division ratio ................................................2-48
Fig. 2.4.12 Example of control procedure ................................................................................2-49
Fig. 2.4.13 Setting method for pulse output mode (1) ...........................................................2-50
Fig. 2.4.14 Setting method for pulse output mode (2) ...........................................................2-51
Fig. 2.4.15 Example of peripheral circuit..................................................................................2-52
Fig. 2.4.16 Connection of timer and setting of division ratio ................................................2-52
Fig. 2.4.17 Example of control procedure ................................................................................2-53
Fig. 2.4.18 Setting method for event counter mode (1).........................................................2-54
Fig. 2.4.19 Setting method for event counter mode (2).........................................................2-55
Fig. 2.4.20 Example of peripheral circuit..................................................................................2-56
Fig. 2.4.21 Method of measuring water flow rate ...................................................................2-56
Fig. 2.4.22 Example of control procedure ................................................................................2-57
Fig. 2.4.23 Setting method for pulse width measurement mode (1) ....................................2-58
Fig. 2.4.24 Setting method for pulse width measurement mode (2) ....................................2-59
Fig. 2.4.25 Connection of timer and setting of division ratio ................................................2-60
Fig. 2.4.26 Example of control procedure ................................................................................2-61
Fig. 2.5.1 Memory map of registers relevant to timer Y and timer Z ..................................2-63
Fig. 2.5.2 Structure of Port P0 direction register ....................................................................2-64
Fig. 2.5.3 Structure of Port P3 direction register ....................................................................2-64
Fig. 2.5.4 Structure of Pull-up control register ........................................................................2-65
Fig. 2.5.5 Structure of Port P1P3 control register ..................................................................2-65
Fig. 2.5.6 Structure of Timer Y, Z mode register....................................................................2-66
Fig. 2.5.7 Structure of Prescaler Y, Prescaler Z .....................................................................2-66
Fig. 2.5.8 Structure of Timer Y secondary, Timer Z secondary ...........................................2-67
Fig. 2.5.9 Structure of Timer Y primary, Timer Z primary .....................................................2-67
Fig. 2.5.10 Structure of Timer Y, Z waveform output control register .................................2-68
Fig. 2.5.11 Structure of One-shot start register.......................................................................2-68
Fig. 2.5.12 Structure of Timer count source set register .......................................................2-69
Fig. 2.5.13 Structure of Interrupt edge selection register ......................................................2-69
Fig. 2.5.14 Structure of CPU mode register ............................................................................2-70
Fig. 2.5.15 Structure of Interrupt request register 1 ...............................................................2-71
Fig. 2.5.16 Structure of Interrupt request register 2 ...............................................................2-71
Fig. 2.5.17 Structure of Interrupt control register 1 ................................................................2-72
Fig. 2.5.18 Structure of Interrupt control register 2 ................................................................2-72
Fig. 2.5.19 Setting method for timer mode ..............................................................................2-74
Fig. 2.5.20 Example of peripheral circuit..................................................................................2-75