NEC V850ES/F 3-L Series User Manual page 340

32-bit single-chip microcontroller

Table of Contents

Figure 10-15

• Clock selection

(TAAnCTL0: TAAnCKS[2:0],

Initial settings

TAAnCTL1: TAAnEEE=0)

• External trigger pulse output mode

(TAAnCTL1: TAAnMD[2:0] = 010B)

• Compare register setting

(TAAnCCR0, TAA,CCR1)

(TAAnOPT0: TAAnCCS[1:0] = 00)

Timer operation enable (TAAnCE = 1)

→ Transfer of TAAnCCR0, TAAnCCR1

values to CCR0 buffer register

and CCR1 buffer register

External trigger (TIAAn0 pin) input,

or TAAnEST = 1

→ 16-bit counter start

Match between 16-bit counter and

CCR1 buffer register

Match between 16-bit counter and

CCR0 buffer register,

16-bit counter clear & start

Flowchart of Basic Operation in External Trigger Pulse Output Mode

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

the CCR1 buffer register.

User's Manual U18743EE1V2UM00

16-Bit Timer/Event Counter AA

External trigger

pin input (TIAAn0)

16-bit counter

clear & start

INTTAAnCC1 output

INTTAAnCC0 output