HD64F3437STF16V Renesas Electronics America, HD64F3437STF16V Datasheet - Page 436

• Manufacturer Part Number: HD64F3437STF16V
• Description: MCU 3/5V 60K PB-FREE 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300r

Specifications of HD64F3437STF16V

• Core Processor: H8/300
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: Host Interface, I²C, SCI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 74
• Program Memory Size: 60KB (60K x 8)
• Program Memory Type: FLASH
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Flowchart for Erasing Multiple Blocks
404
Erase-verify
next block
Address + 1
address
No
Select erase mode (E bit = 1 in FLMCR)
Figure 19.11 Multiple-Block Erase Flowchart
(set bits of blocks to be erased to 1)
Write 0 data to all addresses to be
No
Dummy write to verify address
(flash memory latches address)
Clear EBR bit of erased block
Set top address of block as
Select erase-verify mode
Set erase block registers
Enable watchdog timer
Disable watchdog timer
(EV bit = 1 in FLMCR)
(EBR1 = EBR2 = 0?)
erased (prewrite)
All blocks erased?
Yes
(read data H'FF?)
All erased blocks
Yes
Wait (t
Wait (t
verify address
Wait (X) ms
OK
Last address
Clear EV bit
End of erase
Yes
Clear E bit
verified?
in block?
Verify
Start
n = 1
VS
VS
1) s
2) s
*4
*5
*5
*5
*1
*2
*3
No go
No
Erasing
ends
All erased blocks
Yes
Erase error
verified?
n
Yes
Notes: *1 Program all addresses to be
N?
*5
*2 Set the watchdog timer
*3 For the erase-verify dummy
*4 Read the data to be verified
*5 X:
Erase-verify next block
erased by following the prewrite
flowchart.
overflow interval to the value
indicated in table 19.10.
write, write H'FF with a byte
transfer instruction.
with a byte transfer instruction.
When erasing two or more
blocks, clear the bits of erased
blocks in the erase block
register, so that only unerased
blocks will be erased again.
t
t
N:
VS
VS
No
1: 4 s or more
2: 2 s or more
No
10 ms
3000
n + 1
n