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| 型号： | R5F21322DNSP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PDSO20 |
| 封装： | 4.40 X 6.50 MM, 0.65 MM, PLASTIC, SSOP-20 |
| 文件页数： | 24/46页 |
| 文件大小： | 506K |
| 代理商： | R5F21322DNSP |
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R8C/32D Group
5. Electrical Characteristics
REJ03B0288-0100 Rev.1.00
Feb 26, 2010
Page 28 of 42
Notes:
1. The measurement condition is VCC = 1.8 V to 5.5 V and Topr = 20 to 85 C (N version) / 40 to 85 C (D version).
2. Time until the voltage monitor 2 interrupt request is generated after the voltage passes Vdet2.
3. Necessary time until the voltage detection circuit operates after setting to 1 again after setting the VCA27 bit in the VCA2
register to 0.
Notes:
1. The measurement condition is Topr = 20 to 85 C (N version) / 40 to 85 C (D version), unless otherwise specified.
2. To use the power-on reset function, enable voltage monitor 0 reset by setting the LVDAS bit in the OFS register to 0.
Figure 5.3
Power-on Reset Circuit Electrical Characteristics
Table 5.8
Voltage Detection 2 Circuit Electrical Characteristics
Symbol
Parameter
Condition
Standard
Unit
Min.
Typ.
Max.
Vdet2
Voltage detection level Vdet2_0
At the falling of VCC
3.70
4.00
4.30
V
Hysteresis width at the rising of Vcc in voltage detection
2 circuit
0.10
V
Voltage detection 2 circuit response time (2)
At the falling of Vcc from
5 V to (Vdet2_0
0.1) V
20
150
s
Voltage detection circuit self power consumption
VCA27 = 1, VCC = 5.0 V
1.7
A
td(E-A)
Waiting time until voltage detection circuit operation
starts (3)
100
s
Table 5.9
Power-on Reset Circuit (2)
Symbol
Parameter
Condition
Standard
Unit
Min.
Typ.
Max.
trth
External power VCC rise gradient
0
50000
mV/msec
Notes:
1. Vdet0 indicates the voltage detection level of the voltage detection 0 circuit. Refer to 6. Voltage Detection
Circuit of Hardware Manual (REJ09B0528) for details.
2. tw(por) indicates the duration the external power VCC must be held below the valid voltage (0.5 V) to enable
a power-on reset. When turning on the power after it falls with voltage monitor 0 reset disabled, maintain
tw(por) for 1 ms or more.
Vdet0 (1)
0.5 V
Internal
reset signal
tw(por) (2)
Voltage detection 0
circuit response time
Vdet0 (1)
1
fOCO-S
32
1
fOCO-S
32
External
Power VCC
trth
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相关代理商/技术参数 |
参数描述 |
|---|---|
| R5F21322DNSP#U0 | 制造商:Renesas Electronics Corporation 功能描述:R8C32D 8KB 1.8/5.5V -20 TO 85C 20-LSSOP - Trays 制造商:Renesas Electronics Corporation 功能描述:IC MCU 16BIT 8KB FLASH 20SSOP |
| R5F21322MDSP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:Electronic household appliances, office equipment, audio equipment, consumer equipment |
| R5F21322MDSP#U0 | 制造商:Renesas Electronics Corporation 功能描述:R8C32M 8+4/1KB -40 85C 20LSSOP - Rail/Tube 制造商:Renesas Electronics Corporation 功能描述:IC MCU 16BIT 8KB FLASH 20SSOP |
| R5F21322MDSP#V0 | 功能描述:MCU 8KB ROM 1KB RAM 20-LSSOP RoHS:是 类别:集成电路 (IC) >> 嵌入式 - 微控制器， 系列:R8C/3x/32M 标准包装:300 系列:78K0R/Ix3 核心处理器:78K/0R 芯体尺寸:16-位 速度:40MHz 连通性:3 线 SIO，I²C，LIN，UART/USART 外围设备:DMA，LVD，POR，PWM，WDT 输入/输出数:27 程序存储器容量:16KB（16K x 8） 程序存储器类型:闪存 EEPROM 大小:- RAM 容量:1K x 8 电压 - 电源 (Vcc/Vdd):2.7 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:38-SSOP 包装:托盘 |
| R5F21322MNSP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:Electronic household appliances, office equipment, audio equipment, consumer equipment |
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