HD6412373R RENESAS [Renesas Technology Corp], HD6412373R Datasheet - Page 926

• Manufacturer Part Number: HD6412373R
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 20 Flash Memory (0.35-μm F-ZTAT Version)
Rev.7.00 Mar. 18, 2009 page 858 of 1136
REJ09B0109-0700
Notes: 1. Except when switching modes, the level of the mode pins (MD2 to MD0) must be fixed until
Period during which flash memory access is prohibited
(x: Wait time after setting SWE bit)
Period during which flash memory can be programmed
(Execution of program in flash memory prohibited, and data reads other than verify operations
prohibited)
φ
V
MD2 to MD0
RES
SWE bit
φ
V
MD2 to MD0
RES
SWE bit
CC
CC
2. See section 26.1.6, Flash Memory Characteristics.
3. Mode programming setup time t
power-off by pulling the pins up or down.
*
*
1
1
Figure 20.9 Power-On/Off Timing
t
OSC1
t
OSC1
t
MDS
Wait time: x
*
SWE set
Wait time: x
t
SWE set
2
MDS
*
MDS
3
*
3
(1) Boot Mode
(2) User Program Mode
(min.) = 200 ns
Programming/
erasing
possible
Programming/
erasing
possible
Wait time: 100 μs
Wait time: 100 μs
SWE cleared
SWE cleared
Min. 0 μs
Min. 0 μs