ST72C334J4TAE STMicroelectronics, ST72C334J4TAE Datasheet - Page 119

• Manufacturer Part Number: ST72C334J4TAE
• Description: 8-bit MCU for automotive with single voltage Flash/ROM memory, ADC, 16-bit timers, SPI, SCI interfaces
• Manufacturer: STMicroelectronics

CLOCK AND TIMING CHARACTERISTICS (Cont’d)
15.5.3.2 Typical Ceramic Resonators
Note:
t
quick V
Figure 68. Application with Ceramic Resonator
Notes:
1. Resonator characteristics given by the ceramic resonator manufacturer.
2. t
quick V
3. The oscillator selection can be optimized in terms of supply current using a high quality resonator with small R
Refer to
SU(OSC)
WHEN RESONATOR WITH
INTEGRATED CAPACITORS
SU(OSC)
DD
DD
Table 23
is the typical oscillator start-up time measured between V
Symbol
t
SU(osc)
ramp-up from 0 to 5V (<50µs).
ramp-up from 0 to 5V (<50µs).
is the typical oscillator start-up time measured between V
and
C
Table 24
L2
C
Ceramic resonator start-up time
L1
and to the ceramic resonator manufacturer’s documentation for more details.
RESONATOR
Parameter
R
R
F(EXT)
D
ST72334xx-Auto, ST72314xx-Auto, ST72124Jx-Auto
OSC1
OSC2
MP
MS
HS
LP
DD
DD
=2.8V and the fetch of the first instruction (with a
Conditions
R
=2.8V and the fetch of the first instruction (with a
F
16MHz
2MHz
4MHz
8MHz
i
2
Typ
4.2
2.1
1.1
0.7
ST72XXX
f
OSC
Unit
ms
119/150
S
value.