ST72321R6-Auto STMicroelectronics, ST72321R6-Auto Datasheet - Page 197

• Manufacturer Part Number: ST72321R6-Auto
• Description: 8-bit MCU for automotive with 32 Kbyte Flash, 10-bit ADC, timers, SPI, SCI and I2C interfaces
• Manufacturer: STMicroelectronics

Specifications of ST72321R6-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

ST72321xx-Auto
19.5.4
Note:
Table 117. OSCRANGE selection for typical resonators
1. Resonator characteristics given by the ceramic resonator manufacturer. For more information on these
2. LP mode is not recommended for 2 MHz resonator because the peak to peak amplitude is too small
RC oscillators
Table 118. RC oscillator characteristics
Figure 80. Typical f
To reduce disturbance to the RC oscillator, it is recommended to place decoupling
capacitors between V
f
Supplier
OSC(RCINT)
Murata
Symbol
resonators, please consult www.murata.com.
(> 0.8V).
f
OSC
Internal RC oscillator frequency
(see
16
2
4
8
(MHz)
Figure
DD
OSC(RCINT)
Parameter
80)
CSTCC2M00G56A-R0
CSTCR4M00G55B-R0
CSTCE8M00G55A-R0
CSTCE16M0G53A-R0
and V
3.8
3.6
3.4
3.2
4
3
-45
Reference
Doc ID 13829 Rev 1
SS
versus T
as shown in
0
A
Typical ceramic resonators
T
T
Figure
A
A
25
(°C)
= 25°C, V
Conditions
Recommended OSCRANGE option bit
Vdd = 5V
Vdd = 5.5V
100.
70
DD
= 5V
configuration
MP mode
MS mode
HS mode
Electrical characteristics
130
Min
2
(1)
(2)
Typ
3.5
5.6
Max
197/243
MHz
Unit