参数资料
型号: R5F211B1SP
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: 20/51页
文件大小: 438K
代理商: R5F211B1SP
R8C/1A Group, R8C/1B Group
5. Electrical Characteristics
Rev.1.40
Dec 08, 2006
Page 25 of 45
REJ03B0144-0140
NOTES:
1.
VCC = AVCC = 2.7 to 5.5 V at Topr = -20 to 85
°C / -40 to 85 °C, unless otherwise specified.
2.
If f1 exceeds 10 MHz, divide f1 and ensure the A/D operating clock frequency (
φAD) is 10 MHz or below.
3.
If AVcc is less than 4.2 V, divide f1 and ensure the A/D operating clock frequency (
φAD) is f1/2 or below.
4.
When the analog input voltage is over the reference voltage, the A/D conversion result will be 3FFh in 10-bit mode and FFh in
8-bit mode.
Figure 5.1
Port P1, P3, and P4 Measurement Circuit
Table 5.3
A/D Converter Characteristics
Symbol
Parameter
Conditions
Standard
Unit
Min.
Typ.
Max.
Resolution
Vref = VCC
10
Bits
Absolute
accuracy
10-bit mode
φAD = 10 MHz, Vref = VCC = 5.0 V
±3
LSB
8-bit mode
φAD = 10 MHz, Vref = VCC = 5.0 V
±2
LSB
10-bit mode
φAD = 10 MHz, Vref = VCC = 3.3 V(3)
±5
LSB
8-bit mode
φAD = 10 MHz, Vref = VCC = 3.3 V(3)
±2
LSB
Rladder
Resistor ladder
Vref = VCC
10
40
k
tconv
Conversion time
10-bit mode
φAD = 10 MHz, Vref = VCC = 5.0 V
3.3
s
8-bit mode
φAD = 10 MHz, Vref = VCC = 5.0 V
2.8
s
Vref
Reference voltage
2.7
Vcc
V
VIA
Analog input voltage(4)
0
AVcc
V
A/D operating
clock
frequency(2)
Without sample and
hold
0.25
10
MHz
With sample and hold
1
10
MHz
P1
P3
P4
30pF
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