參數(shù)資料
型號(hào)： R5F21246SDXXXFP
元件分類： 微控制器/微處理器
英文描述： 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP52
封裝： 10 X 10 MM, 0.65 MM PITCH, PLASTIC, LQFP-52
文件頁數(shù)： 25/59頁
文件大?。?/td> 528K
代理商： R5F21246SDXXXFP
R8C/24 Group, R8C/25 Group
5. Electrical Characteristics
Rev.3.00
Feb 29, 2008
Page 31 of 51
REJ03B0117-0300
NOTES:
1.
The measurement condition is Topr = -20 to 85
°C (N version) / -40 to 85°C (D version), unless otherwise specified.
2.
This condition (external power VCC rise gradient) does not apply if VCC
≥ 1.0 V.
3.
To use the power-on reset function, enable voltage monitor 0 reset by setting the LVD0ON bit in the OFS register to 0, the
VW0C0 and VW0C6 bits in the VW0C register to 1 respectively, and the VCA25 bit in the VCA2 register to 1.
4.
tw(por1) indicates the duration the external power VCC must be held below the effective voltage (Vpor1) to enable a power on
reset. When turning on the power for the first time, maintain tw(por1) for 30 s or more if -20
°C ≤ Topr ≤ 85°C, maintain tw(por1) for
3,000 s or more if -40
°C ≤ Topr < -20°C.
Figure 5.3
Power-on Reset Circuit Electrical Characteristics
Table 5.9
Power-on Reset Circuit, Voltage Monitor 0 Reset Electrical Characteristics(3)
Symbol
Parameter
Condition
Standard
Unit
Min.
Typ.
Max.
Vpor1
Power-on reset valid voltage(4)
0.1
V
Vpor2
Power-on reset or voltage monitor 0 reset valid
voltage
0
Vdet0
V
trth
External power VCC rise gradient(2)
20
mV/msec
NOTES:
1. When using the voltage monitor 0 digital filter, ensure that the voltage is within the MCU operation voltage
range (2.2 V or above) during the sampling time.
2. The sampling clock can be selected. Refer to 6. Voltage Detection Circuit of Hardware Manual for details.
3. Vdet0 indicates the voltage detection level of the voltage detection 0 circuit. Refer to 6. Voltage Detection
Circuit of Hardware Manual for details.
Vdet0(3)
Vpor1
Internal
reset signal
(“L” valid)
tw(por1)
Sampling time(1, 2)
Vdet0(3)
1
fOCO-S
× 32
1
fOCO-S
× 32
Vpor2
2.2 V
External
Power VCC
trth
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
R5F21246SDXXXLG 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MCU
R5F21246SNFP 制造商:Renesas Electronics Corporation 功能描述:
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R5F21246SNFP#V2 制造商:Renesas Electronics Corporation 功能描述:R8C/24 32+0/2 52LQFP 10X10 -20 TO +85 - Trays 制造商:Renesas Electronics Corporation 功能描述:IC MCU 16BIT 32KB FLASH 52LQFP
R5F21246SNLG 制造商:Renesas Electronics Corporation 功能描述:
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