ST7FLITE39F2M3TR STMicroelectronics, ST7FLITE39F2M3TR Datasheet - Page 139

• Manufacturer Part Number: ST7FLITE39F2M3TR
• Description: IC MCU 8BIT 8K FLASH 20SOIC
• Manufacturer: STMicroelectronics
• Series: ST7r

Specifications of ST7FLITE39F2M3TR

• Core Processor: ST7
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: LINSCI, SPI
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 15
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 384 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 7x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 20-SOIC (7.5mm Width)
• For Use With: 497-8406 - BOARD STF20NM50FD/STF7LITE39BF2497-8403 - BOARD DEMO STCC08 AC SW DETECTOR497-5858 - EVAL BOARD PLAYBACK ST7FLITE497-5049 - KIT STARTER RAISONANCE ST7FLITE
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

13.3.2 Operating Conditions with Low Voltage Detector (LVD)
T
Notes:
1. Not tested in production. The V
When the V
2. Use of LVD with capacitive power supply: with this type of power supply, if power cuts occur in the application, it is rec-
ommended to pull V
page
13.3.3 Auxiliary Voltage Detector (AVD) Thresholds,
T
13.3.4 Internal RC Oscillator and PLL
The ST7 internal clock can be supplied by an internal RC oscillator and PLL (selectable by option byte).
V
V
V
Vt
t
I
V
V
V
∆V
V
V
V
Symbol
A
A
Symbol
g(VDD)
DD(LVD
Symbol
IT+
IT-
hys
IT+
IT-
hys
DD(RC)
DD(x4PLL)
DD(x8PLL)
POR
= -40 to 125°C, unless otherwise specified
= -40 to 125°C, unless otherwise specified
IT-
(LVD)
(AVD)
(LVD)
(AVD)
154.
)
DD
Reset release threshold
(V
Reset generation threshold
(V
LVD voltage threshold hysteresis
V
Filtered glitch delay on V
LVD/AVD current consumption
1=>0 AVDF flag toggle threshold
(V
0=>1 AVDF flag toggle threshold
(V
AVD voltage threshold hystere-
sis
Voltage drop between AVD flag
set and LVD reset activation
DD
Internal RC Oscillator operating voltage
x4 PLL operating voltage
x8 PLL operating voltage
DD
DD
DD
DD
slope is outside these values, the LVD may not ensure a proper reset of the MCU.
rise time rate
rise)
fall)
rise)
fall)
DD
Parameter
Parameter
down to 0V to ensure optimum restart conditions. Refer to circuit example in
Parameter
1)2)
DD
rise time rate condition is needed to insure a correct device power-on and LVD reset.
DD
High Threshold, T
High Threshold, T
Med. Threshold
Low Threshold
High Threshold, T
High Threshold, T
Med. Threshold
Low Threshold
V
V
High Threshold, T
High Threshold, T
Med. Threshold
Low Threshold
High Threshold
Med. Threshold
Low Threshold
V
Not detected by the LVD
IT+
DD
IT+
(AVD)
fall
(LVD)
-V
-V
Refer to operating range
of V
13.3.1 on page 133
Conditions
IT-
Conditions
IT-
(AVD)
(LVD)
DD
A
A
A
A
Conditions
with T
A
A
=-40 to +85°C
=-40 to +125°C
=-40 to +85°C
=-40 to +125°C
=-40 to +85°C
=-40 to +125°C
A,
section
3.90
3.90
3.45
2.90
3.85
3.80
3.35
2.75
3.60
3.60
3.05
2.45
3.40
2.90
2.40
Min
Min
20
Min
2.7
3.3
2.7
Typ
4.45
4.45
3.90
3.30
4.40
4.40
3.85
3.15
0.45
150
Typ
4.15
4.15
3.45
2.85
3.95
3.30
2.70
200
220
Typ
ST7LITE3xF2
Max
4.85
4.90
4.30
3.65
4.80
4.80
4.20
3.50
100000
Max
5.5
3.6
5.5
Max
4.60
4.65
3.90
3.20
4.35
3.70
3.00
150
Figure 98 on
139/173
Unit
mV
V
V
Unit
Unit
µs/V
V
mV
µA
ns
V