HD64F3687GFP Renesas Electronics America, HD64F3687GFP Datasheet - Page 137
HD64F3687GFP
Manufacturer Part Number
HD64F3687GFP
Description
IC H8 MCU FLASH 56K 64-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300H Tinyr
Datasheet
1.HD64F3684GFPV.pdf
(538 pages)
Specifications of HD64F3687GFP
Core Processor
H8/300H
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, SCI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
45
Program Memory Size
56KB (56K 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
-
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5. For a dummy write to a verify address, write 1-byte data H'FF to an address whose lower two
6. If the read data is not erased successfully, set erase mode again, and repeat the erase/erase-
7.4.3
All interrupts, including the NMI interrupt, are disabled while flash memory is being programmed
or erased, or while the boot program is executing, for the following three reasons:
1. Interrupt during programming/erasing may cause a violation of the programming or erasing
2. If interrupt exception handling starts before the vector address is written or during
3. If an interrupt occurs during boot program execution, normal boot mode sequence cannot be
bits are B'00. Verify data can be read in longwords from the address to which a dummy write
was performed.
verify sequence as before. The maximum number of repetitions of the erase/erase-verify
sequence is 100.
algorithm, with the result that normal operation cannot be assured.
programming/erasing, a correct vector cannot be fetched and the CPU malfunctions.
carried out.
Interrupt Handling when Programming/Erasing Flash Memory
Rev.5.00 Nov. 02, 2005 Page 103 of 500
REJ09B0027-0500
Section 7 ROM
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