參數(shù)資料
型號: R5F21208KFP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP48
封裝: 7 X 7 MM, 0.50 MM PITCH, PLASTIC, LQFP-48
文件頁數(shù): 15/45頁
文件大?。?/td> 418K
代理商: R5F21208KFP
R8C/20 Group, R8C/21 Group
5. Electrical Characteristics
Rev.2.00 Aug 27, 2008
Page 22 of 41
REJ03B0120-0200
NOTES:
1.
VCC = AVCC = 2.7 to 5.5 V at Topr = -40 to 85
°C (J version) / -40 to 125°C (K version), unless otherwise specified.
2.
When analog input voltage exceeds reference voltage, A/D conversion result is 3FFh in 10-bit mode, FFh in 8-bit mode.
Figure 5.1
Ports P0 to P4, P6 Timing Measurement Circuit
Table 5.3
A/D Converter Characteristics
Symbol
Parameter
Conditions
Standard
Unit
Min.
Typ.
Max.
Resolution
Vref = AVCC
10
Bits
Absolute
Accuracy
10-bit mode
φAD = 10 MHz, Vref = AVCC = 5.0 V
±3
LSB
8-bit mode
φAD = 10 MHz, Vref = AVCC = 5.0 V
±2
LSB
10-bit mode
φAD = 10 MHz, Vref = AVCC = 3.3 V
±5
LSB
8-bit mode
φAD = 10 MHz, Vref = AVCC = 3.3 V
±2
LSB
Rladder
Resistor ladder
Vref = AVCC
10
40
k
tconv
Conversion time
10-bit mode
φAD = 10 MHz, Vref = AVCC = 5.0 V
3.3
s
8-bit mode
φAD = 10 MHz, Vref = AVCC = 5.0 V
2.8
s
Vref
Reference voltage
2.7
AVCC
V
VIA
Analog input voltage(2)
0
AVCC
V
A/D operating
clock frequency
Without sample & hold
0.25
10
MHz
With sample & hold
1
10
MHz
P0
P3
P2
P1
P6
P4
30pF
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