DF3052BX25V Renesas Electronics America, DF3052BX25V Datasheet - Page 623

• Manufacturer Part Number: DF3052BX25V
• Description: MCU 5V 512K 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Hr

Specifications of DF3052BX25V

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: SCI, SmartCard
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 70
• Program Memory Size: 512KB (512K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K 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: -

18.8.2
Software protection can be implemented by setting the SWE1 bit in FLMCR1, the SWE2 bit in
FLMCR2, erase block register 1 (EBR1), erase block register 2 (EBR2), and the RAMS bit in the
RAM control register (RAMCR). When software protection is in effect, setting the P1 or E1 bit in
flash memory control register 1 (FLMCR1), or the P2 or E2 bit in flash memory control register 2
(FLMCR2) does not cause a transition to program mode or erase mode. (See table 18.11.)
Table 18.11 Software Protection
Item
Block
specification
protection
Emulation
protection
Notes: 1. Two modes: program-verify and erase-verify.
2. When not erasing, clear all EBR1, EBR2 bits to H'00.
3. A RAM area overlapping flash memory can be written to.
4. All blocks are unerasable and block-by-block specification is not possible.
Software Protection
Description
Erase protection can be set for individual
blocks by settings in erase block register 1
(EBR1) *
However, programming protection is disabled.
Setting EBR1 and EBR2 to H'00 places all
blocks in the erase-protected state.
Setting the RAMS bit to 1 in the RAM
control register (RAMCR) places all blocks
in the program/erase-protected state.
2
and erase block register 2 (EBR2) *
Rev. 3.00 Mar 21, 2006 page 593 of 814
2
.
Program Erase
—
No *
3
Functions
No
No *
REJ09B0302-0300
Section 18 ROM
4
Verify *
Yes
Yes
1