Renesas SuperH SH7339 - Manual (Page 38)

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Figure 2.5 [Recovery Information] Page
The following shows the procedures recovered from the U standby state.
1. In the software standby mode, when the /CA pin is asserted, the emulator enters the U standby
state and the message box shown in figure 2.6 is displayed. To cancel the U standby state, be
sure to end the message box before asserting /RESETP from the user system.
2. Turn Vcc (main) off.
Figure 2.6 Message Box for Entering the U Standby State