HD6412320 RENESAS [Renesas Technology Corp], HD6412320 Datasheet - Page 876

• Manufacturer Part Number: HD6412320
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family H8S-2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 19 ROM
Rev.6.00 Sep. 27, 2007 Page 846 of 1268
REJ09B0220-0600
φ
V
FWE
MD2 to MD0
RES
SWE bit
Notes: 1. Except when switching modes, the level of the mode pins (MD2 to MD0) must be fixed until
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 22.2.6, Flash Memory Characteristics.
3. Mode programming setup time t
power-off by pulling the pins up or down.
*1
Figure 19.56 Power-On/Off Timing (Boot Mode)
t
OSC1
SWE set
t
MDS
t
*2
Wait time: x
MDS
*3
MDS
*3
(min) = 200 ns
Programming/
erasing
possible
Wait time: 100 μs
Min 0 μs
SWE cleared
Min 0 μs