HD404374FT datasheet(78/161 Pages) RENESAS

78 / 161 page

HD404374/HD404384/HD404389/HD404082/HD404084 Series

Rev.5.00, Sep.11.2003, page 78 of 161

TWBL3

TWBL2

TWBL1

TWBL0

Timer write register B (lower) (TWBL: $012)

Bit

Read/Write

Initial value on reset

Bit name

Figure 38 Timer Write Register B (Lower) (TWBL)

Undetermined

TWBU3

Undetermined

TWBU2

Undetermined

TWBU1

Undetermined

TWBU0

Timer write register B (upper) (TWBU: $013)

Bit

Read/Write

Initial value on reset

Bit name

Figure 39 Timer Write Register B (Upper) (TWBU)

• Timer read register B (TRBL: $012, TRBU: $013):

Timer read register B (TRBL, TRBU) is a read-only register composed of a lower digit (TRBL) and an

upper digit (TRBU) from which the value of the upper digit of timer B is read directly (figures 40 and

41).

First, read the upper digit (TRBU) of timer read register B. The current value of the timer B upper digit

is read and, at the same time, the value of the timer B lower digit is latched in the lower digit (TRBL) of

timer read register B. The timer B value is obtained when the upper digit (TRBU) of timer read register

B is read by reading the lower digit (TRBL) of timer read register B.

Undetermined

TRBL3

Undetermined

TRBL2

Undetermined

TRBL1

Undetermined

TRBL0

Timer read register B (lower) (TRBL: $012)

Bit

Read/Write

Initial value on reset

Bit name

Figure 40 Timer Read Register B (Lower) (TRBL)

HD404374FT Datasheet(PDF) 78 Page - Renesas Technology Corp

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