DF2148RTE20IV Renesas Electronics America, DF2148RTE20IV Datasheet - Page 760
DF2148RTE20IV
Manufacturer Part Number
DF2148RTE20IV
Description
MCU 5V 128K I-TEMP,PB-FREE, 100-
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Specifications of DF2148RTE20IV
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
Host Interface, I²C, IrDA, SCI
Peripherals
POR, PWM, WDT
Number Of I /o
74
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Section 23 ROM
Table 23.9 Software Protection
Item
SWE bit protection
Block specification
protection
23.8.3
In error protection, an error is detected when MCU runaway occurs during flash memory
programming/erasing, or operation is not performed in accordance with the program/erase
algorithm, and the program/erase operation is aborted. Aborting the program/erase operation
prevents damage to the flash memory due to overprogramming or overerasing.
If the MCU malfunctions during flash memory programming/erasing, the FLER bit is set to 1 in
FLMCR2 and the error protection state is entered. The FLMCR1, FLMCR2, EBR1, and EBR2
settings are retained, but program mode or erase mode is aborted at the point at which the error
occurred. Program mode or erase mode cannot be re-entered by re-setting the P or E bit. However,
PV and EV bit setting is enabled, and a transition can be made to verify mode.
FLER bit setting conditions are as follows:
Error protection is released only by a reset and in hardware standby mode.
Figure 23.14 shows the flash memory state transition diagram.
Rev. 4.00 Sep 27, 2006 page 714 of 1130
REJ09B0327-0400
When flash memory is read during programming/erasing (including a vector read or instruction
fetch)
Immediately after exception handling (excluding a reset) during programming/erasing
When a SLEEP instruction (including software standby, sleep, subactive, subsleep and watch
mode) is executed during programming/erasing
When the bus is released during programming/erasing
Error Protection
(H8S/2148 F-ZTAT A-Mask Version, H8S/2147 F-ZTAT A-Mask Version, H8S/2144 F-ZTAT A-Mask Version)
Description
Clearing the SWE bit to 0 in FLMCR1 sets the
program/erase-protected state for all blocks.
(Execute in on-chip RAM or external memory.)
Erase protection can be set for individual blocks
by settings in erase block registers 1 and 2
(EBR1, EBR2).
Setting EBR1 and EBR2 to H'00 places all
blocks in the erase-protected state.
Program
Yes
—
Functions
Erase
Yes
Yes
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