SH7243 datasheet(629/1726 Pages) RENESAS

629 / 1726 page

Section 11 Multi-Function Timer Pulse Unit 2 (MTU2)

Rev. 1.00 Jun. 26, 2008 Page 599 of 1692

REJ09B0393-0100

(b)

Halting of PWM Output by External Signal

The 6-phase PWM output pins can be set automatically to the high-impedance state by inputting

specified external signals. There are four external signal input pins.

See section 13, Port Output Enable 2 (POE2), for details.

(c)

Halting of PWM Output by Oscillation Stop

The 6-phase PWM output pins can detect the clock stop and set the output pin automatically to the

high-impedance state. However, the pin state is not guaranteed when the clock starts oscillation

again.

See section 4.7, Oscillation Stop Detection, for details.

11.4.9

A/D Converter Start Request Delaying Function

A/D converter start requests can be issued in channel 4 by making settings in the timer A/D

converter start request control register (TADCR), timer A/D converter start request cycle set

registers (TADCORA_4 and TADCORB_4), and timer A/D converter start request cycle set

buffer registers (TADCOBRA_4 and TADCOBRB_4).

The A/D converter start request delaying function compares TCNT_4 with TADCORA_4 or

TADCORB_4, and when their values match, the function issues a respective A/D converter start

request (TRG4AN or TRG4BN).

A/D converter start requests (TRG4AN and TRG4BN) can be skipped in coordination with

interrupt skipping by making settings in the ITA3AE, ITA4VE, ITB3AE, and ITB4VE bits in

TADCR.

• Example of Procedure for Specifying A/D Converter Start Request Delaying Function

Figure 11.79 shows an example of procedure for specifying the A/D converter start request

delaying function.

SH7243 Datasheet(PDF) 629 Page - Renesas Technology Corp