ST72C334J4T6 STMicroelectronics, ST72C334J4T6 Datasheet - Page 111

MCU 8BIT FLASH SPI SCI 44TQFP

ST72C334J4T6

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

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

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OPERATING CONDITIONS (Cont’d)
16.3.2 Operating Conditions with Low Voltage Detector (LVD)
Subject to general operating conditions for V
Figure 57. High LVD Threshold Versus V
Figure 58. Medium LVD Threshold Versus V
Figure 59. Low LVD Threshold Versus V
Notes:
1. LVD typical data are based on T
2. Data based on characterization results, not tested in production.
3. The V
4.If the low LVD threshold is selected, when V
anteed to continue functioning until it goes into reset state. The specified V
on phase, but during a power down phase or voltage drop the device will function below this min. level.
V
V
V
Vt
t
g(VDD)
Symbol
DEVICE UNDER
DEVICE UNDER
DEVICE UNDER
IT+
IT-
hys
POR
IN THIS AREA
IN THIS AREA
IN THIS AREA
DD
RESET
RESET
RESET
rise time rate condition is needed to insure a correct device power-on and LVD reset. Not tested in production.
Reset release threshold (V
Reset generation threshold (V
LVD voltage threshold hysteresis
V
Filtered glitch delay on V
DD
rise time rate
f
f
f
OSC
OSC
OSC
12
12
16
12
16
16
8
0
8
0
8
0
[MHz]
[MHz]
[MHz]
2.5
2.5
2.5
Parameter
3)
V
IT-
FUNCTIONALITY AND RESET NOT GUARANTEED IN THIS AREA
A
FUNCTIONALITY AND RESET NOT GUARANTEED IN THIS AREA
=25°C. They are given only as design guidelines and are not tested.
3
3
3V
DD
FUNCTIONALITY NOT GUARANTEED IN THIS AREA
DD
3.2
2)
DD
rise)
V
FOR TEMPERATURES HIGHER THAN 85°C
FOR TEMPERATURES HIGHER THAN 85°C
FOR TEMPERATURES HIGHER THAN 85°C
IT-
SEE NOTE 4
fall)
DD
3.5
3.5
3.5V
DD
falls below 3.2V, (V
DD
V
DD
High Threshold
Med. Threshold
Low Threshold
High Threshold
Med. Threshold
Low Threshold
V
Not detected by the LVD
IT-
and f
and f
IT+
DD
, f
3.85
-V
OSC
and f
IT-
OSC
OSC
4
4
4
Conditions
, and T
OSC
for FLASH devices
for FLASH devices
4)
for FLASH devices
DD
A
4.5
4.5
4.5
ST72334J/N, ST72314J/N, ST72124J
.
minimum operating voltage), the device is guar-
DD
min. value is necessary in the device power
5
5
5
4.10
3.75
3.25
3.85
3.50
3.00
Min
200
0.2
2)4)
3)
2)
2)
2)
2)
2)
3)
5.5
5.5
5.5
Typ
4.30
3.90
3.35
4.05
3.65
3.10
250
SUPPLY VOLTAGE [V]
SUPPLY VOLTAGE [V]
SUPPLY VOLTAGE [V]
1)
FUNCTIONAL AREA
FUNCTIONAL AREA
FUNCTIONAL AREA
FUNCTIONALITY
NOT GUARANTEED
IN THIS AREA
FUNCTIONALITY
NOT GUARANTEED
IN THIS AREA
FUNCTIONALITY
NOT GUARANTEED
IN THIS AREA
Max
4.50
4.05
3.55
4.30
3.95
3.35
300
50
40
111/153
V/ms
Unit
mV
ns
V

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