h8s-2635 Renesas Electronics Corporation., h8s-2635 Datasheet - Page 854

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

Section 21A ROM (H8S/2636 Group)
Rev. 6.00 Feb 22, 2005 page 794 of 1484
REJ09B0103-0600
φ
V
FWE
MD2 to MD0
RES
SWE bit
Notes: 1. Except when switching modes, the level of the mode pins (MD2–MD0) must be fixed until power-
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 24.1.7, Flash Memory Characteristics.
3. Mode programming setup time t
off by pulling the pins up or down.
*1
Figure 21A-27 Power-On/Off Timing (User Program Mode)
t
OSC1
t
MDS
SWE set
*3
*2
Wait time:
MDS
(min.) = 200 ns
x
Program-
ming/
erasing
possible
Wait time:
100 µs
SWE cleared
Min. 0 µs