HD64336901G Renesas Technology, HD64336901G Datasheet - Page 135

• Manufacturer Part Number: HD64336901G
• Description: (HD64xxx Series) 16-BIT MICROCONTROLLER
• Manufacturer: Renesas Technology

Notes: 1. The RTS instruction must not be used during a period between dummy writing of H'FF to a verify address and verify data reading.
2. When WDT is in use, disable it once.
Increment address
Figure 7.4 Erase/Erase-Verify Flowchart
No
No
Set block start address as verify address
H'FF dummy write to verify address
All erase block erased ?
Last address of block ?
Verify data + all 1s ?
Read verify data
End of erasing
ESU bit
Disable WDT
Disable WDT
SWE bit
SWE bit
Enable WDT
ESU bit
Wait 100 s
Wait 100 s
Erase start
Wait 10 s
Wait 10 s
Wait 10 s
EV bit
Wait 20 s
EV bit
Set EBR1
Wait 1 s
E bit
E bit
Wait 2 s
Wait 4 s
n
Yes
Yes
1
1
0
1
0
10
Yes
Yes
1
1
0
No
*
2
*
1
SWE bit
Erase failure
Wait 100 s
EV bit
Rev. 1.00, 11/03, page 107 of 376
Wait 4 s
n 100 ?
No
0
0
Yes
n
n + 1