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H8S/2224 Scheda tecnica(PDF) 834 Page - Renesas Technology Corp

Il numero della parte H8S/2224
Spiegazioni elettronici  16-Bit Single-Chip Microcomputer H8S Family/H8S/2200 Series
PDF  1071 Pages
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Produttore elettronici  RENESAS [Renesas Technology Corp]
Homepage  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

H8S/2224 Scheda tecnica(HTML) 834 Page - Renesas Technology Corp

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Section 20 Flash Memory (F-ZTAT Version)
Rev. 5.00 Aug 08, 2006 page 748 of 982
REJ09B0054-0500
1.
2.
3.
Except when switching modes, the level of the mode pins (MD2 to MD0) must be fixed until
power-off by pulling the pins up or down.
See sections 27.2.6, 27.3.6, 27.4.6, 27.5.6, and 27.6.6, Flash Memory Characteristics.
Mode programming setup time tMDS (min) = 200 ns.
Period during which flash memory access is prohibited
(tsswe: Wait time after setting SWE1 bit)*
2
Period during which flash memory can be programmed
(Execution of program in flash memory prohibited, and data reads other than verify operations
prohibited)
Notes:
VCC
FWE
φ
tOSC1
min 0
µs
min 0
µs
tMDS*
3
tMDS*
3
MD2 to MD0*1
RES
SWE1bit
SWE1 set
SWE1 cleared
tsswe
100
µs
Programming/
erasing
possible
Wait time:
Wait time:
Figure 20.14 Power-On/Off Timing (Boot Mode)



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