M3087BFKGP#U3 Renesas Electronics America, M3087BFKGP#U3 Datasheet - Page 533
![IC M32C/87B MCU FLASH 144LQFP](/photos/12/31/123119/m3087bfkgp_u3_sml.jpg)
M3087BFKGP#U3
Manufacturer Part Number
M3087BFKGP#U3
Description
IC M32C/87B MCU FLASH 144LQFP
Manufacturer
Renesas Electronics America
Series
M16C™ M32C/80r
Datasheet
1.M3087BFLGPU3.pdf
(629 pages)
Specifications of M3087BFKGP#U3
Core Processor
M32C/80
Core Size
16/32-Bit
Speed
32MHz
Connectivity
CAN, EBI/EMI, I²C, IEBus, IrDA, SIO, UART/USART
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
121
Program Memory Size
768KB (768K x 8)
Program Memory Type
FLASH
Ram Size
48K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 34x10b, D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
144-LQFP
For Use With
R0K330879S001BE - KIT DEV RSK M32C/87R0K330879S000BE - KIT DEV RSK M32C/87
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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M32C/87 Group (M32C/87, M32C/87A, M32C/87B)
REJ09B0180-0151 Rev.1.51 Jul 31, 2008
Page 509 of 587
26.3.3
26.3.4
26.3.4.1
26.3.4.2
26.3.4.3
Each block in the flash memory has a nonvolatile lock bit. The lock bit protects (locks) each block individually
against erasing and programming. This prevents data from being inadvertently erased from or programmed to
the flash memory. The following is the block conditions controlled by the lock bit.
When the FMR02 bit in the FMR0 register is set to 0 (lock bit enabled);
When the FMR02 bit in the FMR0 register is set to 1 (lock bit disabled);
When the block erase command is executed while the FMR02 bit is set to 1, the target block is erased regardless
of the lock bit data status. The lock bit data of the target block becomes 1 when the block erase operation is
completed.
In EW0 mode, the Status Register value is returned by reading the flash memory after executing the commands
shown below.
The Status Register indicates the operating status of the flash memory and whether an erase or program
operation has completed successfully or not. The Status Register value is reflected on bits FMR00, FMR06, and
FMR07 in the FMR0 register.
The sequencer status bit indicates the operating status of the flash memory. It becomes 0 while the program
command, block erase command, lock bit program command, or read lock bit status command is being
executed; otherwise, it is 1.
Refer to 26.3.5 Full Status Check.
Refer to 26.3.5 Full Status Check.
•
•
•
•
•
•
•
If lock bit data is set to 0, the block is locked (block is protected against erasing and programming).
If lock bit data is set to 1, the block is unlocked (block can be erased or programmed).
The block is unlocked regardless of the lock bit data status (block can be erased or programmed).
Read status register command
Program command
Block erase command
Lock bit program command
Data Protect Function
Status Register (SRD Register)
Sequencer Status (SR7 Bit, FMR00 Bit)
Erase Status (SR5 Bit, FMR07 Bit)
Program Status (SR4 Bit, FMR06 Bit)
26. Flash Memory
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