Hardware Standby Mode Timing; Figure 9.12 Hardware Standby Mode Timing (When Ca = Low In Normal Operation) - Hitachi SH7751 Hardware Manual

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9.9.5

Hardware Standby Mode Timing

Figure 9.12 shows the timing of the signals of the respective pins in hardware standby mode.
The CA pin level must be kept low while in hardware standby mode.

After setting the
pin level low, the clock starts when the CA pin level is switched to high.
CKIO
CA
*1
*2
Normal
Standby
Reset
STATUS
Undefined
0–10 Bcyc
0–10 Bcyc
Waiting for end of bus cycle
Notes: *1 Same at sleep and reset
*2 High impedance when STBCR2. STHZ = 0
Figure 9.12 Hardware Standby Mode Timing
(When CA = Low in Normal Operation)
Rev. 3.0, 04/02, page 238 of 1064

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