Datasheet

V850ES/JG3-H, V850ES/JH3-H CHAPTER 9 16-BIT TIMER/EVENT COUNTER T (TMT)

R01UH0042EJ0500 Rev.5.00 Page 464 of 1513

Aug 12, 2011

(2) Anytime write and batch write

The TT0CCR0 and TT0CCR1 registers in TMT0 can be rewritten during timer operation (TT0CTL0.TT0CE bit = 1),

but the write method (anytime write, batch write) of the CCR0 and CCR1 buffer registers differs depending on the

mode.

(a) Anytime write

In this mode, data is transferred at any time from the TT0CCR0 and TT0CCR1 registers to the CCR0 and

CCR1 buffer registers during timer operation (n = 0, 1).

Figure 9-3. Flowchart of Basic Operation for Anytime Write

START

Initial settings

• Set values to TT0CCRn register

•

Timer operation enable

(TT0CE bit = 1)

→ Transfer values of TT0CCRn

Timer operation

• Match between 16-bit counter

and CCR1 buffer register

Note

• Match between 16-bit counter

and CCR0 buffer register

• 16-bit counter clear & start

IINTTT0CC1 signal output

TTnCCRn register rewrite

→ Transfer to CCRn buffer register

IINTTT0CC0 signal output

Note The 16-bit counter is not cleared upon a match between the 16-bit counter value

and the CCR1 buffer register value. It is cleared upon a match between the 16-bit

counter value and the CCR0 buffer register value.

Remarks 1. The above flowchart illustrates an example of the operation in the interval

timer mode.

2. n = 0, 1