LM3S328-IRN20-A0T Luminary Micro, Inc., LM3S328-IRN20-A0T Datasheet - Page 356

• Manufacturer Part Number: LM3S328-IRN20-A0T
• Description: Microcontroller
• Manufacturer: Luminary Micro, Inc.

Electrical Characteristics
Table 18-9. ADC Characteristics (Continued)
a. t
18.2.5
Table 18-10. I
a. Values depend on the value programmed into the TPR bit in the I
356
N
f
t
f
INL
DNL
OFF
GAIN
Parameter
ADC
ADCCONV
ADCCONV
TPR programmed for the maximum I2CSCL frequency (TPR=0x2) results in a minimum output timing as shown in the table
above. The I
The actual position is affected by the value programmed into the TPR; however, the numbers given in the above values are
minimum values.
ADC
Parameter
No.
I1
I2
I3
I4
I5
I6
I7
I8
I9
a
a
b
a
a
a
a
a
c
= 1/f
ADC clock
I
2
2
C
C interface is designed to scale the actual data transition time to move it to the middle of the I2CSCL Low period.
2
Parameter
C Characteristics
t
t
t
SCSR
t
Parameter Name
Resolution
ADC internal clock frequency
Conversion time
Conversion rate
Integral nonlinearity
Differential nonlinearity
Offset
Gain
t
t
SCH
t
t
SCS
t
SRT
SFT
DH
DS
LP
HT
Parameter Name
Start condition hold time
Clock Low period
I2CSCL/I2CSDA rise time
(V
Data hold time
I2CSCL/I2CSDA fall time
(V
Clock High time
Data setup time
Start condition setup time (for repeated
start condition only)
Stop condition setup time
IL
IH
=0.5 V to V
=2.4 V to V
IH
IL
=2.4 V)
=0.5 V)
Preliminary
2
C Master Timer Period (I2CMTPR) register (see page 326); a
Min
438
7
-
-
-
-
-
-
Min
36
36
24
18
36
24
2
-
-
Nom
500
10
8
-
-
-
-
-
Nom
9
-
-
-
-
-
-
-
-
Max
563
+2
16
±1
±1
±2
9
-
note b)
Max
(see
10
-
-
-
-
-
-
-
April 27, 2007
t
k samples/s
ADC
MHz
Unit
LSB
LSB
LSB
LSB
bits
system
system
system
system
system
system
system
clocks
clocks
clocks
clocks
clocks
clocks
clocks
cycles
Unit
ns
ns
a