UPD78F1146AGB-GAH-AX Renesas Electronics America, UPD78F1146AGB-GAH-AX Datasheet - Page 679

• Manufacturer Part Number: UPD78F1146AGB-GAH-AX
• Description: MCU 16BIT 78K0R/KX3 64-LQFP
• Manufacturer: Renesas Electronics America
• Series: 78K0R/Kx3r

Specifications of UPD78F1146AGB-GAH-AX

• Core Processor: 78K/0R
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: 3-Wire SIO, I²C, LIN, UART/USART
• Peripherals: DMA, LVD, POR, PWM, WDT
• Number Of I /o: 50
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 12K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

23.9.2 Flash shield window function
writing to and erasing areas outside the range specified as a window only during self programming.
during both on-board/off-board programming and self programming.
board programming, however, areas outside the range specified as a window can be written and erased.
Table 23-11. Relationship Between Flash Shield Window Function Setting/Change Methods and Commands
The flash shield window function is provided as one of the security functions for self programming. It disables
The window range can be set by specifying the start and end blocks. The window range can be set or changed
Writing to and erasing areas outside the window range are disabled during self programming. During on-board/off-
Remark See 23.7 Security Settings to prohibit writing/erasing during on-board/off-board programming.
Caution If the rewrite-prohibited area of the boot cluster 0 overlaps with the flash shield window range,
Flash memory
Self-programming
On-board/off-board
programming
Programming Conditions
area
prohibition to rewrite the boot cluster 0 takes priority.
(Target Devices:
Window range
Flash shield
Flash shield
range
range
Figure 23-13. Flash Shield Window Setting Example
Specify the starting and
ending blocks by the set
information library.
Specify the starting and
ending blocks on GUI of
dedicated flash memory
programmer, etc.
Setting/Change Methods
0FFFFH
03800H
037FFH
02000H
01FFFH
00000H
μ
PD78F1142, 78F1142A, Start Block: 04H, End Block: 06H)
Window Range
CHAPTER 23 FLASH MEMORY
User’s Manual U17854EJ9V0UD
(start block)
(end block)
Block 1FH
Block 1EH
Block 06H
Block 05H
Block 04H
Block 03H
Block 02H
Block 01H
Block 00H
Block erasing is enabled
only within the window
range.
Block erasing is enabled
also outside the window
range.
Block Erase
√: On-board/off-board programming
×: Self programming
√: On-board/off-board programming
√: Self programming
√: On-board/off-board programming
×: Self programming
Execution Commands
Methods by which writing can be performed
Writing is enabled only
within the range of
window range.
Writing is enabled also
outside the window
range.
Write
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