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| 型号： | R5F2120AKFP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP48 |
| 封装： | 7 X 7 MM, 0.50 MM PITCH, PLASTIC, LQFP-48 |
| 文件页数： | 21/47页 |
| 文件大小： | 432K |
| 代理商： | R5F2120AKFP |
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R8C/20 Group, R8C/21 Group
5. Electrical Characteristics
Rev.2.00 Aug 27, 2008
Page 26 of 41
REJ03B0120-0200
NOTES:
1.
Topr = -40
°C to 85°C (J version) / -40°C 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 30s or more if -20
°C ≤ Topr ≤ 125°C, maintain tw(por1)
for 3,000s or more if -40
°C ≤ Topr < -20°C.
Figure 5.3
Power-on Reset Circuit Electrical Characteristics
Table 5.8
Power-on Reset Circuit, Voltage Monitor 1 Reset Circuit 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 valid voltage
0
Vdet1
V
trth
External power VCC rise gradient
VCC
≤ 3.6 V
20(2)
mV/msec
VCC
> 3.6 V
20(2)
2,000
mV/msec
× 32
1
fOCO-S
Vdet1(3)
Vpor1
tw(por1)
Vdet1(3)
Vpor2
2.0 V
trth
External power Vcc
Internal reset signal
(“L” valid)
Sampling time(1, 2)
td(Vdet1-A)
× 32
1
fOCO-S
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.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| R5F2120AKFP#U0 | 制造商:Renesas Electronics Corporation 功能描述:MCU 16-Bit R8C CISC 96KB Flash 3.3V/5V 48-Pin LQFP Tray 制造商:Renesas Electronics Corporation 功能描述:MCU 16BIT R8C CISC 96KB FLASH 3.3V/5V 48LQFP - Trays |
| R5F2120CJFP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:RENESAS MCU R8C FAMILY / R8C/2x SERIES |
| R5F2120CJFP#U0 | 功能描述:MCU FLASH 128K 6K CMOS 48-LQFP RoHS:是 类别:集成电路 (IC) >> 嵌入式 - 微控制器， 系列:R8C/2x/20 标准包装:250 系列:80C 核心处理器:8051 芯体尺寸:8-位 速度:16MHz 连通性:EBI/EMI，I²C，UART/USART 外围设备:POR，PWM，WDT 输入/输出数:40 程序存储器容量:- 程序存储器类型:ROMless EEPROM 大小:- RAM 容量:256 x 8 电压 - 电源 (Vcc/Vdd):4.5 V ~ 5.5 V 数据转换器:A/D 8x10b 振荡器型:内部 工作温度:-40°C ~ 85°C 封装/外壳:68-LCC（J 形引线） 包装:带卷 (TR) |
| R5F2120CKFP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:RENESAS MCU R8C FAMILY / R8C/2x SERIES |
| R5F2120CKFP#U0 | 制造商:Renesas Electronics Corporation 功能描述:MCU 16-bit R8C CISC 128KB Flash 3.3V/5V 48-Pin LQFP Tray 制造商:Renesas Electronics Corporation 功能描述:MCU 16BIT R8C CISC 128KB FLASH 3.3V/5V 48LQFP - Trays 制造商:Renesas Electronics Corporation 功能描述:MCU FLASH 128K 6K CMOS 48-LQFP |
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