Freescale Semiconductor TWR-MECH Mechatronics Board TWR-MECH TWR-MECH 数据表
产品代码
TWR-MECH
Electrical Characteristics
MCF52259 ColdFire Microcontroller, Rev. 5
Freescale
38
shows timing for the values in
Figure 13. I2C Input/Output Timings
2.15
Analog-to-Digital Converter (ADC) Parameters
lists specifications for the analog-to-digital converter.
Table 25. ADC Parameters
1
Name
Characteristic
Min
Typical
Max
Unit
V
REFL
Low reference voltage
V
SSA
—
V
SSA
+ 50 mV
V
V
REFH
High reference voltage
V
DDA
- 50 mV
—
V
DDA
V
V
DDA
ADC analog supply voltage
3.1
3.3
3.6
V
V
ADIN
Input voltages
V
REFL
—
V
REFH
V
RES
Resolution
12
—
12
Bits
INL
Integral non-linearity (full input signal range)
2
—
2.5
3
LSB
3
INL
Integral non-linearity (10% to 90% input signal range)
4
—
2.5
3
LSB
DNL
Differential non-linearity
—
–1 < DNL <
1
<
1
LSB
Monotonicity
GUARANTEED
f
ADIC
ADC internal clock
0.1
—
5.0
MHz
R
AD
Conversion range
V
REFL
—
V
REFH
V
t
ADPU
ADC power-up time
5
—
6
13
t
AIC
cycles
6
t
REC
Recovery from auto standby
—
0
1
t
AIC
cycles
t
ADC
Conversion time
—
6
—
t
AIC
cycles
t
ADS
Sample time
—
1
—
t
AIC
cycles
C
ADI
Input capacitance
—
See
—
pF
X
IN
Input impedance
—
See
—
W
I
ADI
Input injection current
7
, per pin
—
—
3
mA
I
VREFH
V
REFH
current
—
0
—
mA
V
OFFSET
Offset voltage internal reference
—
8
15
mV
E
GAIN
Gain error (transfer path)
.99
1
1.01
—
V
OFFSET
Offset voltage external reference
—
3
9
mV
I2
I6
I1
I4
I7
I8
I9
I5
I3
SCL
SDA