7540 datasheet(364/366 Pages) RENESAS

364 / 366 page

3-142

REJ09B0018-0200Z

Rev.2.00

Jun 21, 2004

APPENDIX

7540 Group

3.11 Differences between 7540 Group and 7531 Group

Figure 3.11.3 shows the timer function of 7540 Group and 7531 Group.

Fig. 3.11.3 Timer function of 7540 Group and 7531 Group

Timer Y can be

used for the

timer Z count

source.

7540 Group

7531 Group

q Timer 1 (8-bit timer)

• Timer mode

The number of

timer increased

Function

expanded

q Timer 2 (8-bit timer)

• Timer mode

q Timer X (8-bit timer)

• Timer mode

• Pulse output mode

• Event counter mode

• Pulse width measurement mode

q Timer 1 (8-bit timer)

• Timer mode

q Timer X (8-bit timer)

• Timer mode

• Pulse output mode (inverted output port added)

• Event counter mode

• Pulse width measurement mode

q Timer Y (8-bit timer)

• Timer mode

• Programmable waveform generation mode

q Timer Z (8-bit timer)

• Timer mode

• Programmable waveform generation mode

• Programmable one-shot generation mode

• Programmable wait one-shot generation mode

q Timer A (16-bit timer)

• Timer mode

• Period measurement mode

• Event counter mode

• Pulse width HL continuously measurement mode

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