ST72521R9-Auto STMicroelectronics, ST72521R9-Auto Datasheet - Page 249

• Manufacturer Part Number: ST72521R9-Auto
• Description: 8-bit MCU for automotive
• Manufacturer: STMicroelectronics

Specifications of ST72521R9-Auto

• Hdflash Endurance: 100 cycles, data retention 20 years
• Clock Sources: crystal/ceramic resonator oscillators, internal RC oscillator and bypass for external clock
• 4 Power Saving Modes: Halt, Active Halt, Wait and Slow

ST72521xx-Auto
20.11.3
20.12
Table 156. 10-bit ADC characteristics
1. Injecting negative current on adjacent pins may result in increased leakage currents. Software filtering of the converted
2. Any added external serial resistor will downgrade the ADC accuracy (especially for resistance greater than 10k). Data
Symbol
V
C
R
C
f
V
t
t
AREF
f
ADC
ADC
ADC
I
analog value is recommended.
based on characterization results, not tested in production.
AIN
ADC
AIN
lkg
AIN
AIN
ADC clock frequency
Analog reference voltage
Conversion voltage range
Positive input leakage current for
analog input
External input impedance
External capacitor on analog input
Variation frequency of analog input
signal
Internal sample and hold capacitor
Conversion time (Sample + Hold)
f
f
No. of sample capacitor loading
cycles
No. of hold conversion cycles
CPU
ADC
CAN - Controller area network interface
Subject to general operating conditions for V
Refer to
characteristics (CANTX and CANRX).
Table 155. CAN characteristics
1. Data based on simulation results, not tested in production
10-bit ADC characteristics
Subject to general operating conditions for V
Symbol
t
= 8 MHz, speed = 0,
= 2 MHz
p(RX:TX)
Parameter
(1)
Chapter 9: I/O ports
CAN controller propagation time
(2)
Parameter
for more details on the input/output alternate function
0.7*V
-40°C < T
Other T
Doc ID 17660 Rev 1
DD
Conditions
A
< V
ranges
A
(1)
< 85°C range
AREF
DD
DD
< V
Conditions
, f
, f
DD
OSC
CPU
, and T
, and T
V
Min
0.4
3.8
SSA
A
A
unless otherwise specified.
unless otherwise specified.
Min
Electrical characteristics
Typ
12
7.5
11
4
Typ
Figure 112
Figure 113
V
±250
Max
V
See
and
AREF
±1
2
DD
Max
60
249/276
1/f
MHz
Unit
nA
µA
k
Hz
Unit
pF
pF
µs
V
ADC
ns