HD64F36077GHV Renesas Electronics America, HD64F36077GHV Datasheet - Page 147

• Manufacturer Part Number: HD64F36077GHV
• Description: 16BIT MCU FLASH 56K, SMD, LQFP64
• Manufacturer: Renesas Electronics America

Specifications of HD64F36077GHV

• No. Of I/o's: 47
• Ram Memory Size: 4KB
• Cpu Speed: 20MHz
• No. Of Timers: 4
• Digital Ic Case Style: LQFP
• Supply Voltage Range: 4.5V
• Core Size: 16bit
• Program Memory Size: 56KB
• Oscillator Type: External Only
• Controller Family/series: H8/300H
• Peripherals: ADC
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Note: *The RTS instruction must not be used during a period between dummy writing of H'FF to a verify address and verify data reading.
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 ← 10
Disable WDT
SWE bit ← 1
Enable WDT
SWE bit ← 0
ESU bit ← 1
Wait 100 µs
Wait 100 µs
Erase start
Wait 10 ms
Wait 10 µs
EV bit ← 1
Wait 20 µs
EV bit ← 0
Set EBR1
Wait 1 µs
E bit ← 1
E bit ← 0
Wait 2 µs
Wait 4 µs
n ← 1
10 µs
Yes
Yes
Yes
Yes
No
*
Rev. 1.00 Sep. 16, 2005 Page 117 of 490
SWE bit ← 0
Erase failure
Wait 100 µs
EV bit ← 0
Wait 4µs
n ≤100 ?
No
Yes
n ← n + 1
REJ09B0216-0100
Section 7 ROM