h8s-2635 Renesas Electronics Corporation., h8s-2635 Datasheet - Page 986

• Manufacturer Part Number: h8s-2635
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Section 21C ROM (H8S/2635 Group)
Rev. 6.00 Feb 22, 2005 page 926 of 1484
REJ09B0103-0600
Notes: 1. Except when switching modes, the level of the mode pins (MD2 to MD0) must be fixed until
φ
V
FWE
MD2 to MD0
RES
SWE bit
CC
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)
2. See section 24.2.7, 24.3.7, and 24.4.7, Flash Memory Characteristics.
3. Mode programming setup time t
power-off by pulling the pins up or down.
*1
Figure 21C-27 Power-On/Off Timing (User Program Mode)
t
OSC1
t
MDS
*3
SWE set
*2
Wait time: x
MDS
(min.) = 200 ns
Programming/
erasing
possible
Wait time: 100 µs
SWE cleared
Min. 0 µs