M30280F6HP#U5 Renesas Electronics America, M30280F6HP#U5 Datasheet - Page 328
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M30280F6HP#U5
Manufacturer Part Number
M30280F6HP#U5
Description
IC M16C MCU FLASH 48K 80LQFP
Manufacturer
Renesas Electronics America
Series
M16C™ M16C/Tiny/28r
Specifications of M30280F6HP#U5
Core Processor
M16C/60
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, IEBus, SIO, UART/USART
Peripherals
DMA, POR, PWM, Voltage Detect, WDT
Number Of I /o
71
Program Memory Size
48KB (48K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 24x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
80-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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18.5 Register Description
1
e
E
. v
6
J
Figure 18.7 shows the flash memory control register 0 and flash memory control register 1. Figure 18.8
shows the flash memory control register 4.
18.5.1 Flash Memory Control Register 0 (FMR0)
0
C
2
9
•FMR 00 Bit
•FMR01 Bit
•FMR02 Bit
•FMSTP Bit
•FMR06 Bit
•FMR07 Bit
Figure 18.9 shows a EW mode 0 set/reset flowchart, Figure 18.10 shows a EW mode 1 set/reset flow-
chart.
2 /
0 .
B
8
0
0
The FMR00 bit indicates the operating state of the flash memory. Its value is 0 while the program,
erase, or erase-suspend command is being executed, otherwise, it is 1.
The MICROCOMPUTER can accept commands when the FMR01 bit is set to 1 (CPU rewrite mode).
To set the FMR01 bit to 1, first set it to 0 and then 1. The FMR01 bit is set to 0 only by writing 0.
The combined setting of bits FMR02 and FMR16 enables program and erase in the user ROM area.
See Table 18.4 for setting details. To set the FMR02 bit to 1, first set it to 0 and then 1. The FMR02
bit is valid only when the FMR01 bit is set to 1 (CPU rewrite mode enable).
The FMSTP bit initializes the flash memory control circuits and minimizes power consumption in the
flash memory. Access to the on-chip flash memory is disabled when the FMSTP bit is set to 1. Set the
FMSTP bit by program in a space other than the flash memory.
Set the FMSTP bit to 1 if one of the following occurs:
•A flash memory access error occurs during erasing or programming in EW mode 0 (FMR00 bit does
•Low-power consumption mode or on-chip oscillator low-power consumption mode is entered.
exiting.
The FMR06 bit is a read-only bit indicating an auto-program operation state. The FMR06 bit is set to
1 when a program error occurs; otherwise, it is set to 0. For details, refer to 18.8.4 Full Status Check.
The FMR07 bit is a read-only bit indicating an auto-erase operation status. The FMR07 bit is set to 1
when an erase error occurs; otherwise, it is set to 0. For details, refer to 18.8.4 Full Status Check.
0
not switch back to 1 (ready)).
Figure 18.11 shows a flow chart illustrating how to start and stop the flash memory before and after
entering low power mode. Follow the procedure in this flow chart.
When entering stop or wait mode while the CPU rewrite mode is disabled, do not set the FMR0
G
register because the on-chip flash memory is automatically turned off and turned back on when
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