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| HD64F3048F16 Datasheet, PDF (651/903 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents | |||
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Section 18 ROM (H8/3048F-ONE: Single Power Supply, H8/3048B Mask ROM Version)
Programming
and erase
Wait time: x possible Wait time: y
Ï
VCC
tOSC1
Min 0 µs
FWE
MD2 to MD0*1
RES
SWE bit
tMDS
SWE set
SWE clear
Flash memory access disabled period
(x: Wait time after SWE setting, y: wait time after SWE clearing)*2
Flash memory reprogrammable period
(Flash memory program execution and data read, other than verify, are disabled.)
Notes: 1. Always fix the level by pulling down or pulling up the mode pins (MD2 to MD0)
up to powering off, except for mode switching.
2. See section 21.1.6, Flash Memory Characteristics.
Figure 18.19 Powering On/Off Timing (User Program Mode)
Rev. 3.00 Sep 27, 2006 page 623 of 872
REJ09B0325-0300
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