參數(shù)資料
型號(hào): R5F21112FP
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP32
封裝: 7 X 7 MM, 0.80 MM PITCH, PLASTIC, LQFP-32
文件頁(yè)數(shù): 9/32頁(yè)
文件大?。?/td> 343K
代理商: R5F21112FP
R8C/11 Group
5. Electrical Characteristics
Rev.1.60
Jan 27, 2006
page 15 of 26
REJ03B0034-0160
Table 5.3 A/D Conversion Characteristics
Standard
Min.Typ.
Max.
Resolution
Bit
Vref =VCC
10
SymbolParameterMeasuring conditionUnit
LSB
±3
RLADDER
tCONV
Ladder resistance
Conversion time
Reference voltage
Analog input voltage
V
VIA
VREF
0Vref
NOTES:
1. VCC=AVCC=2.7 to 5.5V at Topr = -20 to 85 °C / -40 to 85 °C, unless otherwise specified.
2. If fAD exceeds 10 MHz more, divide the fAD and hold A/D operating clock frequency (AD) 10 MHz or below.
3. If the AVcc is less than 4.2V, divide the fAD and hold A/D operating clock frequency (AD) fAD/2 or below.
4. Hold Vcc=Vref.
AD=10 MHz, Vref=Vcc=5.0V
VREF=VCC
Absolute
accuracy
10 bit mode
8 bit mode
AD=10 MHz, Vref=Vcc=5.0V
±2
LSB
10 bit mode
8 bit mode
AD=10 MHz, Vref=Vcc=3.3V(3)
±5LSB
AD=10 MHz, Vref=Vcc=3.3V(3)
±2LSB
10
40
k
10 bit mode
8 bit mode
AD=10 MHz, Vref=Vcc=5.0V
3.3
2.8
s
V
A/D operating
clock frequency(2)
Without sample & hold
With sample & hold
0.25
10
MHz
1.0
10
MHz
VCC(4)
P0
P1
P2
P3
P4
30pF
Figure 5.1 Port P0 to P4 measurement circuit
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