UPD78F0386GK-8EU-A Renesas Electronics America, UPD78F0386GK-8EU-A Datasheet - Page 560

• Manufacturer Part Number: UPD78F0386GK-8EU-A
• Description: MCU 96KB FLASH 5KB RAM
• Manufacturer: Renesas Electronics America
• Series: 78K0/Lx2r

Specifications of UPD78F0386GK-8EU-A

• Core Processor: 78K/0
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: 3-Wire SIO, I²C, LIN, UART/USART
• Peripherals: LCD, LVD, POR, PWM, WDT
• Number Of I /o: 26
• Program Memory Size: 96KB (96K x 8)
• Program Memory Type: FLASH
• Ram Size: 5K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -

26.8 Security Settings
when the programming mode is set next.
setting when the flash memory is shipped. The above security settings are only possible for on-board/off-board
programming. Each security setting can be used in combination.
is enabled.
558
The operations shown below can be performed using the security setting command. The security setting is valid
The batch erase (chip erase), block erase, write commands, and rewriting boot cluster 0 are enabled by the default
Table 26-11 shows the relationship between the erase and write commands when the 78K0/LF2 security function
Disabling batch erase (chip erase)
Execution of the block erase and batch erase (chip erase) commands for entire blocks in the flash memory is
prohibited by this setting. Once execution of the batch erase (chip erase) command is prohibited, all of the
prohibition settings can no longer be cancelled.
Caution After the security setting for the batch erase is set, erasure cannot be performed for the device.
Disabling block erase
Execution of the block erase command for a specific block in the flash memory is prohibited by this setting. This
prohibition setting can be cancelled using the batch erase (chip erase) command.
Disabling write
Execution of the write and block erase commands for entire blocks in the flash memory is prohibited by this
setting. This prohibition setting can be cancelled using the batch erase (chip erase) command.
Disabling rewriting boot cluster 0
Execution of the batch erase (chip erase) command, block erase command, and write command on boot cluster
0 (0000H to 0FFFH) in the flash memory is prohibited by this setting.
Caution If a security setting that rewrites boot cluster 0 has been applied, boot cluster 0 of that device
Note Since the erase command is disabled, data different from that which has already been written to the
Security Setting
Disabling batch erase (chip erase)
Disabling block erase
Disabling write
Disabling rewriting boot cluster 0
Table 26-11. Relationship Between Commands When Security Function Is Enabled
will not be rewritten.
In addition, even if a write command is executed, data different from that which has already
been written to the flash memory cannot be written, because the erase command is disabled.
flash memory cannot be written.
Command
CHAPTER 26 FLASH MEMORY
User’s Manual U17504EJ2V0UD
Invalid
Valid
Invalid
Batch Erase (Chip
Erase) Command
Invalid
Block Erase
Command
Valid
Valid
Invalid
Write Command
Note