STEVAL-IFS003V1 STMicroelectronics, STEVAL-IFS003V1 Datasheet - Page 140
STEVAL-IFS003V1
Manufacturer Part Number
STEVAL-IFS003V1
Description
BOARD STLM75/STDS75/ST72F651
Manufacturer
STMicroelectronics
Datasheets
1.STLM75DS2F.pdf
(40 pages)
2.STDS75M2F.pdf
(39 pages)
3.STEVAL-IFS003V1.pdf
(161 pages)
4.STEVAL-IFS003V1.pdf
(4 pages)
Specifications of STEVAL-IFS003V1
Design Resources
STEVAL-IFS003V1 Gerber Files STEVAL-IFS003V1 Schematic STEVAL-IFS003V1 Bill of Materials
Sensor Type
Temperature
Sensing Range
-55°C ~ 125°C
Interface
I²C
Voltage - Supply
7.5 V ~ 19 V
Embedded
Yes, MCU, 8-Bit
Utilized Ic / Part
ST72F651, STDS75, STLM75
Silicon Manufacturer
ST Micro
Silicon Core Number
STLM75/STDS75 And ST72F651AR6
Kit Application Type
Sensing - Temperature
Application Sub Type
Temperature Sensor
Kit Contents
Board
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Sensitivity
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
497-6238
- STLM75DS2F PDF datasheet
- STDS75M2F PDF datasheet #2
- STEVAL-IFS003V1 PDF datasheet #3
- STEVAL-IFS003V1 PDF datasheet #4
- Current page: 140 of 161
- Download datasheet (3Mb)
ST72651AR6
Figure 85. RESET pin protection when LVD is enabled.
Figure 86. RESET pin protection when LVD is disabled.
Note 1:
Note 2: When the LVD is enabled, it is recommended not to connect a pull-up resistor or capacitor. A 10nF pull-down
capacitor is required to filter noise on the reset line.
Note 3: In case a capacitive power supply is used, it is recommended to connect a 1MΩ pull-down resistor to the RESET
pin to discharge any residual voltage induced by the capacitive effect of the power supply (this will add 5µA to the power
consumption of the MCU).
Note 4: Tips when using the LVD:
140/161
Required
– The reset network protects the device against parasitic resets.
– The output of the external reset circuit must have an open-drain output to drive the ST7 reset pad. Otherwise the
– Whatever the reset source is (internal or external), the user must ensure that the level on the RESET pin can go
– Because the reset circuit is designed to allow the internal RESET to be output in the RESET pin, the user must en-
– 1. Check that all recommendations related to ICCCLK and reset circuit have been applied (see notes above).
– 2. Check that the power supply is properly decoupled (100nF + 10µF close to the MCU). Refer to AN1709 and
– 3. The capacitors connected on the RESET pin and also the power supply are key to avoid any start-up marginality.
EXTERNAL
EXTERNAL
CIRCUIT
RESET
device can be damaged when the ST7 generates an internal reset (LVD or watchdog).
below the V
internally.
sure that the current sunk on the RESET pin is less than the absolute maximum value specified for I
section 13.2.2 on page
AN2017. If this cannot be done, it is recommended to put a 100nF + 1MΩ pull-down on the RESET pin.
In most cases, steps 1 and 2 above are sufficient for a robust solution. Otherwise: replace 10nF pull-down on the
RESET pin with a 5µF to 20µF capacitor.”
RESET
USER
Required
IL
max. level specified in
0.01μF
0.01μF
125.
1MΩ
Optional
(note 3)
section 13.9.1 on page
Doc ID 7215 Rev 4
V
V
DD
DD
R
R
ON
ON
Filter
Filter
139. Otherwise the reset will not be taken into account
1)2)3)4)
1)
GENERATOR
GENERATOR
PULSE
PULSE
INTERNAL
RESET
INTERNAL
RESET
WATCHDOG
WATCHDOG
LVD RESET
INJ(RESET)
ST72XXX
ST72XXX
in
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