参数资料
型号: R5F21112FP
厂商: Renesas Technology Corp.
英文描述: SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
中文描述: 单片16位CMOS微机
文件页数: 7/29页
文件大小: 275K
代理商: R5F21112FP
Rev.1.00
Sep 17, 2004
page 15 of 26
REJ09B0062-0100Z
R8C/11 Group
5. Electrical Characteristics
Table 5.3 A/D Conversion Characteristics
Standard
Min.
Typ. Max.
Resolution
Bit
Vref =VCC
10
Symbol
Parameter
Measuring condition
Unit
LSB
±3
RLADDER
tCONV
Ladder resistance
Conversion time
Reference voltage
Analog input voltage
V
VIA
VREF
0
Vref
Note
1: Referenced to VCC=AVCC=2.7 to 5.5V at Topr = -20 to 85 °C / -40 to 85 °C unless otherwise specified.
2: When fAD is 10 MHz more, divide the fAD and make A/D operation clock frequency (AD) lower than
10 MHz.
3: When the Vcc is less than 4.2V, divide the fAD and make A/D operation clock frequency (AD) lower than fAD/2.
4: Hold Vcc=Vref.
f(XIN)=AD=10 MHz, Vref=Vcc=5.0V
VREF=VCC
Absolute
accuracy
10 bit mode
8 bit mode
f(XIN)=AD=10 MHz, Vref=Vcc=5.0V
±2
LSB
10 bit mode
8 bit mode
f(XIN)=AD=10 MHz, Vref=Vcc=3.3V
±5
LSB
f(XIN)=AD=10 MHz, Vref=Vcc=3.3V
±2
LSB
10
40
k
10 bit mode
8 bit mode
f(XIN)=AD=10 MHz, Vref=Vcc=5.0V
3.3
2.8
s
V
A/D operation
clock frequency2
Without sample & hold
With sample & hold
0.25
10
MHz
1.0
10
MHz
VCC4
P0
P1
P2
P3
P4
30pF
Figure 5.1 Port P0 to P4 measurement circuit
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