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| SH7055S Datasheet, PDF (918/1002 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7000 Series | |||
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26.3 AC Characteristics
26.3.1 Timing for swicthing the power supply on/off
Table 26.6 Timing for swicthing the power supply on/off
Conditions: VCC = PLLVCC = 3.3 V ±0.3 V, PVCC1 = 5.0 V ±0.5 V/3.3 V ±0.3 V,
PVCC2 = 5.0 V ±0.5 V, AVCC = 5.0 V ±0.5 V, AVref = 4.5 V to AVCC,
VSS = PLLVSS = AVSS = 0 V, Ta = â40°C to 125°C.
When PVCC1 = 3.3 V ±0.3 V, VCC = PVCC1.
When writing or erasing on-chip flash memory, Ta = â40°C to 85°C.
Item
Symbol Min
Max Unit
Time taken to switch VCC on
tVCCS
0
â
ms
VCC hold-time when PVCC is swtched off
tVCCH
0
â
ms
Figures
Figure 26.1
VCC
PLLVCC
PVCC1
PVCC2
VCC min
tVCCS
PVCC min
VCC min
tVCCH
PVCC min
Figure 26.1 Power-On/Off Timing
Rev.2.0, 07/03, page 880 of 960
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