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參數(shù)資料
| 型號： | R5F212D7SDXXXFP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP80 |
| 封裝： | 12 X 12 MM, 0.50 MM PITCH, PLASTIC, LQFP-80 |
| 文件頁數(shù)： | 32/62頁 |
| 文件大?。?/td> | 508K |
| 代理商： | R5F212D7SDXXXFP |
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R8C/2C Group, R8C/2D Group
5. Electrical Characteristics
Rev.2.10
Dec 05, 2007
Page 36 of 57
REJ03B0183-0210
NOTES:
1.
VCC = 2.7 to 5.5 V at Topr =
20 to 85°C (N version) / 40 to 85°C (D version), unless otherwise specified.
2.
Definition of programming/erasure endurance
The programming and erasure endurance is defined on a per-block basis.
If the programming and erasure endurance is n (n = 100 or 10,000), each block can be erased n times. For example, if 1,024
1-byte writes are performed to block A, a 1 Kbyte block, and then the block is erased, the programming/erasure endurance
still stands at one.
However, the same address must not be programmed more than once per erase operation (overwriting prohibited).
3.
Endurance to guarantee all electrical characteristics after program and erase. (1 to Min. value can be guaranteed).
4.
Standard of block A and block B when program and erase endurance exceeds 1,000 times. Byte program time to 1,000 times
is the same as that in program ROM.
5.
In a system that executes multiple programming operations, the actual erasure count can be reduced by writing to sequential
addresses in turn so that as much of the block as possible is used up before performing an erase operation. For example,
when programming groups of 16 bytes, the effective number of rewrites can be minimized by programming up to 128 groups
before erasing them all in one operation. It is also advisable to retain data on the erase count of each block and limit the
number of erase operations to a certain number.
6.
If an error occurs during block erase, attempt to execute the clear status register command, then execute the block erase
command at least three times until the erase error does not occur.
7.
Customers desiring program/erase failure rate information should contact their Renesas technical support representative.
8.
40°C for D version.
9.
The data hold time includes time that the power supply is off or the clock is not supplied.
Table 5.6
Flash Memory (Data flash Block A, Block B) Electrical Characteristics(4)
Symbol
Parameter
Conditions
Standard
Unit
Min.
Typ.
Max.
Program/erase endurance(2)
10,000(3)
times
Byte program time
(program/erase endurance
≤ 1,000 times)
50
400
s
Byte program time
(program/erase endurance
> 1,000 times)
65
s
Block erase time
(program/erase endurance
≤ 1,000 times)
0.2
9
s
Block erase time
(program/erase endurance
> 1,000 times)
0.3
s
td(SR-SUS)
Time delay from suspend request until
suspend
97+CPU clock
× 6 cycles
s
Interval from erase start/restart until
following suspend request
650
s
Interval from program start/restart until
following suspend request
0
ns
Time from suspend until program/erase
restart
3+CPU clock
× 4 cycles
s
Program, erase voltage
2.7
5.5
V
Read voltage
2.2
5.5
V
Program, erase temperature
85
°C
Data hold time(9)
Ambient temperature = 55
°C20
year
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PDF描述 |
|---|---|
| R5F212DASNXXXFP | 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP80 |
| R5F212F2DFP | 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP32 |
| R5F212F2NXXXFP | 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP32 |
| R5F212F2NFP | 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP32 |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| R5F212D7SNFP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:RENESAS MCU R8C FAMILY / R8C/2x SERIES |
| R5F212D7SNFP#U0 | 制造商:Renesas Electronics Corporation 功能描述:IC MCU 16BIT 48KB FLASH 80LQFP |
| R5F212D7SNFP#V0 | 功能描述:IC R8C/2D MCU FLASH 48KB 80-LQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:R8C/2x/2D 標準包裝:250 系列:80C 核心處理器:8051 芯體尺寸:8-位 速度:16MHz 連通性:EBI/EMI，I²C，UART/USART 外圍設備:POR，PWM，WDT 輸入/輸出數(shù):40 程序存儲器容量:- 程序存儲器類型:ROMless EEPROM 大小:- RAM 容量:256 x 8 電壓 - 電源 (Vcc/Vdd):4.5 V ~ 5.5 V 數(shù)據(jù)轉換器:A/D 8x10b 振蕩器型:內部 工作溫度:-40°C ~ 85°C 封裝/外殼:68-LCC（J 形引線） 包裝:帶卷 (TR) |
| R5F212D7SNXXXFP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:RENESAS MCU R8C FAMILY / R8C/2x SERIES |
| R5F212D8SDFP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:MCU |
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