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参数资料
| 型号： | CXP82852Q |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, MROM, 10 MHz, MICROCONTROLLER, PQFP100 |
| 封装： | 14 X 20 MM, PLASTIC, QFP-100 |
| 文件页数： | 10/22页 |
| 文件大小： | 320K |
| 代理商： | CXP82852Q |
– 18 –
CXP82832/82840/82852/82860
Analog input
Linearity error
VFT
VZT
00H
01H
FEH
FFH
Digital
conversion
value
1 V
ZT
: Value at which the digital conversion value changes
from 00H to 01H and vice versa.
2 V
FT
: Value at which the digital conversion value changes
from FEH to FFH and vice versa.
3 f
ADC
indicates the below values due to the contents of bit 6
(CKS) of A/Dcontrol register (ADC: 00F9H) and bits 7 (PCK1)
and 6 (PCK0) of clock control register (CLC: 00FEH).
00 (
φ = fEX/2)
01 (
φ = fEX/4)
11 (
φ = fEX/16)
fADC = fC/2
fADC = fC/4
fADC = fC/16
0 (
φ/2 selection)
CKS
PCK1, PCK0
fADC = fC
fADC = fC/2
fADC = fC/8
1 (
φ selection)
Conversion time
Sampling time
Reference input voltage
Analog input voltage
tCONV
tSAMP
VREF
VIAN
VZT1
VFT2
IREF
AVREF
AN0 to AN7
Ta = 25°C
VDD = AVREF = 5.0V
VSS = AVSS = 0V
Operation mode
SLEEP mode
STOP mode
32kHz operation mode
Linearity error
Zero transition
voltage
Full-scale
transition voltage
Resolution
AVREF current
AVREF
IREFS
s
V
VDD
AVREF
1.0
mA
10
A
0.6
160/fADC3
12/fADC3
VDD – 0.5
0
Item
Symbol
Pin
Condition
Min.
Typ.
Max.
Unit
Bits
(3) A/D converter characteristics
(Ta = –20 to +75°C, VDD = 4.5 to 5.5V, AVREF = 4.0 to VDD, Vss = AVSS = 0V reference)
8
±3
LSB
70
mV
5030
10
4970
–10
4910
mV
Fig. 6. Definition of A/D converter terms
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