參數(shù)資料
型號: M68HC05M68H
廠商: Motorola, Inc.
英文描述: HCMOS Microcontroller Unit
中文描述: HCMOS微控制器
文件頁數(shù): 121/130頁
文件大?。?/td> 1541K
代理商: M68HC05M68H
Electrical Specifications
A/D Converter Characteristics
MC68HC705P6A
Rev. 2.0
Advance Information
MOTOROLA
Electrical Specifications
121
14.8 A/D Converter Characteristics
Characteristic
(1)
1. V
DD
= 5.0 Vdc
±
10%, V
SS
= 0 Vdc, T
A
=
40
°
C to +85
°
C, unless otherwise noted.
Min
Max
Unit
Comments
Resolution
8
8
Bits
Absolute accuacy
(V
DD
V
REFH
> 4.0)
±
1 1/2
LSB
Including quanitization
Conversion range
V
REFH
V
SS
V
SS
V
REFH
V
DD
V
A/D accuracy may decrease
proportionately as V
REFH
is
reduced below 4.0
Input leakage
AD0, AD1, AD2, AD3
V
REFH
±
1
±
1
μ
A
Conversion time
MCU external oscillator
Internal RC oscillator
32
32
t
cyc
μ
s
Includes sampling time
Monotonicity
Inherent (within total error)
Zero input reading
00
01
Hex
V
in
= 0 V
Full-scale reading
FE
FF
Hex
V
in
= V
REFH
Sample time
MCU external oscillator
Internal RC oscillator
12
12
t
cyc
μ
s
Input capacitance
12
pF
Analog input voltage
V
SS
V
REFH
V
A/D on current stabilization time
100
μ
s
t
ADON
A/D ports hi-z leakage current (PC3:7)
±
1
μ
A
I
OZ
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