ST72C334J2B6 STMicroelectronics, ST72C334J2B6 Datasheet - Page 118

• Manufacturer Part Number: ST72C334J2B6
• Description: 8-bit Microcontrollers - MCU Flash 8K SPI/SCI
• Manufacturer: STMicroelectronics

Specifications of ST72C334J2B6

• Product Category: 8-bit Microcontrollers - MCU
• Core: ST7
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 8 MHz
• Program Memory Size: 8 KB
• Data Ram Size: 384 B
• On-chip Adc: Yes
• Operating Supply Voltage: 3.2 V to 5.5 V
• Package / Case: SDIP-42
• Mounting Style: Through Hole
• A/d Bit Size: 8 bit
• A/d Channels Available: 8
• Data Rom Size: 256 B
• Interface Type: SCI, SPI
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Number Of Programmable I/os: 32
• Number Of Timers: 4 bit
• Program Memory Type: Flash
• Factory Pack Quantity: 13
• Supply Voltage - Max: 5 V
• Supply Voltage - Min: 3.2 V

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.