ST72C334J4T6 STMicroelectronics, ST72C334J4T6 Datasheet - Page 118

• Manufacturer Part Number: ST72C334J4T6
• Description: MCU 8BIT FLASH SPI SCI 44TQFP
• Manufacturer: STMicroelectronics
• Series: ST7r

Specifications of ST72C334J4T6

• Core Processor: ST7
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: SCI, SPI
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 3.2 V ~ 5.5 V
• Data Converters: A/D 6x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-TQFP, 44-VQFP
• Processor Series: ST72C3x
• Core: ST7
• Data Bus Width: 8 bit
• Data Ram Size: 512 B
• Interface Type: SCI, SPI
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 4 bit
• Operating Supply Voltage: 3.2 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Development Tools By Supplier: ST7C334-INDART, ST7MDT2-EPB2/US
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8 bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-4838

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.