參數(shù)資料
型號(hào): R5F21244SNFP
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP52
封裝: 10 X 10 MM, 0.65 MM PITCH, PLASTIC, LQFP-52
文件頁(yè)數(shù): 20/59頁(yè)
文件大?。?/td> 528K
代理商: R5F21244SNFP
R8C/24 Group, R8C/25 Group
5. Electrical Characteristics
Rev.3.00
Feb 29, 2008
Page 27 of 51
REJ03B0117-0300
NOTES:
1.
AVCC = 2.2 to 5.5 V at Topr = -20 to 85
°C (N version) / -40 to 85°C (D version), unless otherwise specified.
2.
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
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
Bit
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
10-bit mode
φAD = 5 MHz, Vref = AVCC = 2.2 V
±5
LSB
8-bit mode
φAD = 5 MHz, Vref = AVCC = 2.2 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
2.2
AVCC
V
VIA
Analog input voltage(2)
0
AVCC
V
A/D operating
clock frequency
Without sample and hold
Vref = AVCC = 2.7 to 5.5 V
0.25
10
MHz
With sample and hold
Vref = AVCC = 2.7 to 5.5 V
1
10
MHz
Without sample and hold
Vref = AVCC = 2.2 to 5.5 V
0.25
5MHz
With sample and hold
Vref = AVCC = 2.2 to 5.5 V
1
5MHz
P0
P1
P2
P3
P4
P6
30pF
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