参数资料
型号: MC68HC05V7CB
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP56
封装: SDIP-56
文件页数: 65/170页
文件大小: 980K
代理商: MC68HC05V7CB
SECTION 17: ELECTRICAL SPECIFICATIONS
MOTOROLA
Page 143
MC68HC05V7 Specification Rev. 1.0
17.6
A/D CONVERTER CHARACTERISTICS
(VCCA = 5.0 Vdc ±10%, VSSA1 = 0 Vdc, TA = -40°C to +85°C, unless otherwise noted)
*T
AD
= t
CYC
if clock source equals MCU.
Comments
Unit
Max
Min
Characteristic
Bits
8
Resolution
Absolute Accuracy
LSB
±1 1/2
(V
REFL
= 0 V, V
REFH
= V
DD
)
Conversion Range
V
REFL
V
REFH
A/D accuracy may decrease
proportionately as V
REFH
is
reduced below 4.0
V
DD
V
REFL
-0.1
V
REFH
V
REFL
V
REFH
s
100
Power-up Time
Input Leakage
A
PD0-PD7, PE0-PE7
±1
V
REFL
,V
REFH
±1
A
Conversion Time
T
AD
*
32
(Includes Sampling Time)
Inherent (Within Total Error)
Monotonicity
Hex
01
00
Zero Input Reading
V
IN
= 0V
Hex
FF
FE
Full-scale Reading
V
IN
= V
REFH
T
AD
*
12
Sample Time
pF
8
Input Capacitance
V
REFH
V
REFL
Analog Input Voltage
Including quantization
s
100
A/D On Current Stabilization Time (t
ADON
)
s
5
RC Oscillator Stabilization Time (t
RCON
)
Not Tested
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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