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| 型号： | R5F21296JXXXSP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PDSO20 |
| 封装： | 4.40 X 6.50 MM, 0.65 MM PITCH, PLASTIC, LSSOP-20 |
| 文件页数： | 50/63页 |
| 文件大小： | 612K |
| 代理商： | R5F21296JXXXSP |
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R8C/28 Group, R8C/29 Group
5. Electrical Characteristics
Rev.2.10
Sep 26, 2008
Page 52 of 67
REJ03B0169-0210
NOTES:
1. The measurement condition is Topr = -40 to 85
°C (J version) / -40 to 125°C (K version), unless otherwise specified.
2. This condition (the minimum value of external power VCC rise gradient) does not apply if Vpor2
≥ 1.0 V.
3. To use the power-on reset function, enable voltage monitor 1 reset by setting the LVD1ON bit in the OFS register to 0, the
VW1C0 and VW1C6 bits in the VW1C register to 1 respectively, and the VCA26 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 ≤ 125°C, maintain tw(por1) for
3,000 s or more if -40
°C ≤ Topr < -20°C.
Figure 5.22
Reset Circuit Electrical Characteristics
Table 5.41
Power-on Reset Circuit, Voltage Monitor 1 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 1 reset valid
voltage
0
Vdet1
V
trth
External power VCC rise gradient
VCC
≤ 3.6 V
mV/msec
VCC
> 3.6 V
2,000
mV/msec
Vdet1(3)
Vpor1
Internal reset
signal
(“L” valid)
tw(por1)
Sampling time(1, 2)
Vdet1(3)
Vpor2
× 32
1
fOCO-S
× 32
1
fOCO-S
2.0 V
trth
External
power VCC
NOTES:
1. When using the voltage monitor 1 digital filter, ensure VCC is 2.0 V or higher during the sampling time.
2. The sampling clock can be selected. Refer to 6. Voltage Detection Circuit of Hardware Manual for details.
3. Vdet1 indicates the voltage detection level of the voltage detection 1 circuit. Refer to 6. Voltage Detection
Circuit of Hardware Manual for details.
td(Vdet1-A)
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相关代理商/技术参数 |
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|---|---|
| R5F21296KSP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MCU |
| R5F21296KXXXSP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:RENESAS 16-BIT SINGLE-CHIP MCU R8C FAMILY / R8C/2x SERIES |
| R5F212A7SDFA | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:MCU |
| R5F212A7SDFA#U0 | 制造商:Renesas Electronics Corporation 功能描述:MCU 16-Bit R8C CISC 48KB Flash 2.5V/3.3V/5V 64-Pin LQFP |
| R5F212A7SDFP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:MCU |
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