Renesas H8S/2633 Series Hardware Manual page 1008

ø
V
CC
FWE
*1
MD2 to MD0
RES
SWE1 bit
Period during which flash memory access is prohibited
(x: Wait time after setting SWE1 bit)
Period during which flash memory can be programmed
(Execution of program in flash memory prohibited, and data reads other than verify operations
prohibited)
Notes: *1 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.
*2 See section 25.6 and 26.6, Flash Memory Characteristics.
*3 Mode programming setup time t
954
Wait time: x
t
OSC1
*3
t
MDS
*3
t
MDS
SWE1 set
*2
MDS
Figure 22-27 Power-On/Off Timing (Boot Mode)
Programming/
erasing
Wait time: 100 µs
possible
Min 0 µs
(min) = 200 ns
Min 0 µs
SWE1 cleared