HD404828RFS datasheet(80/149 Pages) RENESAS

80 / 149 page

HD404829R Series

• Timer mode register D2 (TMD2: $015): Four-bit read/write register that selects the timer D output

mode and input capture operation as shown in figure 64. It is reset to $0 by MCU reset.

• Timer write register D (TWDL: $011, TWDU: $012): Write-only register consisting of the lower digit

(TWDL) and the upper digit (TWDU). The operation of timer write register D is basically the same as

that of timer write register B (TWBL: $00A, TWBU: $00B).

• Timer read register D (TRDL: $011, TRDU: $012): Read-only register consisting of the lower digit

(TRDL) and the upper digit (TRDU). The operation of timer read register D is basically the same as

that of timer read register B (TRBL: $00A, TRBU: $00B).

When the input capture timer operation is selected and if the count of timer D is read after a trigger is

input, either the lower or upper digit can be read first.

• Port mode register C (PMRC: $025): Write-only register that selects R2

0/EVND pin function as shown

in figure 53. It is reset to $0 by MCU reset.

• Detection edge select register 2 (ESR2: $027): Write-only register that selects the detection edge of

signals input to pin EVND as shown in figure 69. It is reset to $0 by MCU reset.

Bit

Initial value

Read/Write

Bit name

R/W

TMD23

R/W

TMD22

R/W

TMD20

R/W

TMD21

Timer mode register D2 (TMD2: $015)

TMD22

TMD20

TMD21

R12/TOD mode selection

R12

TOD

—

TOD

R12

R12 port

Toggle output

0 output

1 output

Not used

PWM output

Input capture (R12 port)

TMD23

! : Don’t care

Figure 64 Timer Mode Register D2 (TMD2)

HD404828RFS Datasheet(PDF) 80 Page - Renesas Technology Corp

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