HD64F3684FP Renesas Electronics America, HD64F3684FP Datasheet - Page 135
HD64F3684FP
Manufacturer Part Number
HD64F3684FP
Description
IC H8 MCU FLASH 32K 64LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300H Tinyr
Datasheet
1.HD64F3684GFPV.pdf
(538 pages)
Specifications of HD64F3684FP
Core Processor
H8/300H
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, SCI
Peripherals
PWM, WDT
Number Of I /o
45
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
64-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
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Manufacturer
Quantity
Price
Company:
Part Number:
HD64F3684FPV
Manufacturer:
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Quantity:
10 000
Part Number:
HD64F3684FPV
Manufacturer:
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8. The maximum number of repetitions of the program/program-verify sequence of the same bit
is 1,000.
Notes: * The RTS instruction must not be used during the following 1. and 2. periods.
Wait (Wait time=programming time)
Write pulse application subroutine
1. A period between 128-byte data programming to flash memory and the P bit clearing
2. A period between dummy writing of H'FF to a verify address and verify data reading
Clear PSU bit in FLMCR1
Set PSU bit in FLMCR1
Clear P bit in FLMCR1
Set P bit in FLMCR1
Apply Write Pulse
WDT enable
Disable WDT
Wait 50 s
Wait 5 s
Wait 5 s
End Sub
Figure 7.3 Program/Program-Verify Flowchart
*
Increment address
Successively write 128-byte data from additional-
programming data area in RAM to flash memory
No
Additional-programming data computation
Store 128-byte program data in program
data area consecutively to flash memory
Write 128-byte data in RAM reprogram
H'FF dummy write to verify address
data area and reprogram data area
Clear SWE bit in FLMCR1
Set block start address as
Reprogram data computation
data verification completed?
Set SWE bit in FLMCR1
Clear PV bit in FLMCR1
Set PV bit in FLMCR1
Apply Write Pulse
End of programming
Apply
Read verify data
verify address
Yes
Yes
Wait 100 s
Verify data =
write data?
Wait 1 s
Wait 4 s
Wait 2 s
Wait 2 s
Yes
128-byte
START
n 6 ?
m= 0 ?
m= 0
n 6?
n= 1
Write pulse
Yes
Yes
Sub-Routine-Call
No
No
No
Rev.5.00 Nov. 02, 2005 Page 101 of 500
No
*
m = 1
Clear SWE bit in FLMCR1
Programming failure
Wait 100 s
n
1000 ?
No
Yes
n
REJ09B0027-0500
n + 1
Section 7 ROM
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