ST72324K4 STMicroelectronics, ST72324K4 Datasheet - Page 145
ST72324K4
Manufacturer Part Number
ST72324K4
Description
8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, 4 TIMERS, SPI, SCI INTERFACE
Manufacturer
STMicroelectronics
Datasheet
1.ST72324J6.pdf
(164 pages)
Specifications of ST72324K4
Hdflash Endurance
100 cycles, data retention
Clock Sources
crystal/ceramic resonator oscillators, internal RC oscillator, clock security system and bypass for external clock
Four Power Saving Modes
Halt, Active-Halt, Wait and Slow
Main Clock Controller With
Real time base, Beep and Clock-out capabilities
16-bit Timer A With
1 input capture, 1 output compare, external clock input, PWM and pulse generator modes
16-bit Timer B With
2 input captures, 2 output compares, PWM and pulse generator modes
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10-BIT ADC CHARACTERISTICS (Cont’d)
12.13.3 ADC Accuracy
Conditions: V
Notes:
1. ADC Accuracy vs. Negative Injection Current: Injecting negative current may reduce the accuracy of the conversion
being performed on another analog input.
Any positive injection current within the limits specified for I
accuracy.
2. Data based on characterization results, monitored in production to guarantee 99.73% within ± max value from -40°C
to 125°C (± 3σ distribution limits).
Figure 87. ADC Accuracy Characteristics
Symbol
1023
1022
1021
|E
|E
|E
|E
|E
7
6
5
4
3
2
1
O
G
D
T
L
0
V
|
|
|
|
|
SSA
Digital Result ADCDR
1LSB
Total unadjusted error
Offset error
Gain Error
Differential linearity error
1)
Integral linearity error
1
E
O
IDEAL
DD
2
Parameter
=5V
1)
3
=
1)
V
--------------------------------------------
1)
AREF
4
1024
5
–
1 LSB
1)
V
1)
SSA
E
6
T
IDEAL
CPU in run mode @ f
CPU in run mode @ f
E
7
L
(2)
E
D
1021 1022 1023 1024
(3)
Conditions
INJ(PIN)
(1)
ADC
ADC
E
2 MHz.
2 MHz.
G
V
AREF
and ΣI
(1) Example of an actual transfer curve
(2) The ideal transfer curve
(3) End point correlation line
E
between the actual and the ideal transfer curves.
E
transition and the first ideal one.
E
transition and the last actual one.
E
between actual steps and the ideal one.
E
between any actual transition and the end point
correlation line.
INJ(PIN)
T
O
G
D
L
=Total Unadjusted Error: maximum deviation
=Integral Linearity Error: maximum deviation
=Offset Error: deviation between the first actual
=Gain Error: deviation between the last ideal
=Differential Linearity Error: maximum deviation
V
in
(LSB
in
Section 12.9
IDEAL
ST72324Jx ST72324Kx
)
Flash Devices
Typ
0.5
1.5
1.5
4
3
does not affect the ADC
Max
4.5
4.5
4.5
6
5
2)
145/164
Unit
LSB
1
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