ST72314J4 STMicroelectronics, ST72314J4 Datasheet - Page 118

• Manufacturer Part Number: ST72314J4
• Description: 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY,ADC, 16-BIT TIMERS, SPI, SCI INTERFACES
• Manufacturer: STMicroelectronics

Specifications of ST72314J4

• Clock Sources: crystal/ceramic resonator oscillators or RC oscillators, external clock, backup Clock Security System
• 4 Power Saving Modes: Halt, Active-Halt, Wait and Slow
• Two 16-bit Timers With: 2 input captures (only one on timer A), 2 output compares (only one on timer A), External clock input on timer A, PWM and Pulse generator modes

ST72334J/N, ST72314J/N, ST72124J
CLOCK AND TIMING CHARACTERISTICS (Cont’d)
16.5.3.2 Typical Ceramic Resonators
Note:
t
quick V
Figure 69. 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 an high quality resonator with small R
Refer to
118/153
SU(OSC)
SU(OSC)
WHEN RESONATOR WITH
INTEGRATED CAPACITORS
DD
DD
Table 22
is the typical oscillator start-up time measured between V
Symbol
t
SU(osc)
ramp-up from 0 to 5V (<50 s).
ramp-up from 0 to 5V (<50 s).
is the typical oscillator start-up time measured between V
and
Table 23
C
L2
Ceramic resonator start-up time
C
L1
and to the ceramic resonator manufacturer’s documentation for more details.
RESONATOR
Parameter
R
R
F(EXT)
D
OSC1
OSC2
R
MP
MS
DD
HS
LP
F
DD
=2.8V and the fetch of the first instruction (with a
Conditions
=2.8V and the fetch of the first instruction (with a
i
2
16MHz
2MHz
4MHz
8MHz
ST72XXX
Typ
f
4.2
2.1
1.1
0.7
OSC
Unit
ms
S
value.