HD64F3026X25 Renesas Electronics America, HD64F3026X25 Datasheet - Page 551
![MCU 3V 256K 100-TQFP](/photos/28/61/286123/100-tqfp__100-vqfp_sml.jpg)
HD64F3026X25
Manufacturer Part Number
HD64F3026X25
Description
MCU 3V 256K 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Datasheet
1.DF3026XBL25V.pdf
(843 pages)
Specifications of HD64F3026X25
Core Processor
H8/300H
Core Size
16-Bit
Speed
25MHz
Connectivity
SCI, SmartCard
Peripherals
PWM, WDT
Number Of I /o
70
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 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
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD64F3026X25
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 551 of 843
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17.7
There are three kinds of flash memory program/erase protection: hardware, software, and error
protection.
17.7.1
Hardware protection refers to a state in which programming/erasing of flash memory is forcibly
disabled or aborted. In this state, the settings in flash memory control register 1 (FLMCR1) and
erase block registers 1 and 2 (EBR1, EBR2) are reset. In the error protection state, the FLMCR1,
EBR1, and EBR2 settings are retained; the P bit and E bit can be set, but a transition is not made
to program mode or erase mode. (See table 17.8.)
Table 17.8 Hardware Protection
Notes: 1. The RAM area that overlapped flash memory is deleted.
Item
FWE pin
protection
Reset/
standby
protection
Error
protection
Flash Memory Protection
Hardware Protection
Description
When a low level is input to the FWE pin,
FLMCR1, EBR1, and EBR2 are initialized, and
the program/erase-protected state is entered.
In a reset (including a WDT overflow reset)
and in standby mode, FLMCR1, FLMCR2,
EBR1, and EBR2 are initialized, and the
program/erase-protected state is entered.
In a reset via the
entered unless the
oscillation stabilizes after powering on. In the
case of a reset during operation, hold the
pin low for the
AC Characteristics section. *
When a microcomputer operation error (error
generation (FLER = 1)) was detected while
flash memory was being programmed/erased,
error protection is enabled. At this time, the
FLMCR1, EBR1, and EBR2 settings are held,
but programming/erasing is aborted at the time
the error was generated. Error protection is
released only by a reset via the
WDT reset, or in the hardware standby mode.
R E S
R E S
R E S
pulse width specified in the
pin, the reset state is not
pin is held low until
4
Section 17 Flash Memory [H8/3026F-ZTAT Version]
R E S
pin or a
Rev. 2.00 Sep 20, 2005 page 511 of 800
R E S
Program
Not
possible *
Not
possible
Not
possible
1
Function
Erase
Not
possible *
Not
possible *
Not
possible *
REJ09B0260-0200
3
3
3
Verify
Not
possible
Not
possible
Possible
*
2
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