STEVAL-IFS003V1 STMicroelectronics, STEVAL-IFS003V1 Datasheet - Page 32
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: 32 of 161
- Download datasheet (3Mb)
ST72651AR6
POWER SUPPLY MANAGEMENT (Cont’d)
6.4.2.1 Switching from Stand-Alone Mode to
USB Mode
In Stand-Alone Mode, when the user plugs in the
USB cable, 4V min. is input to USBV
chip power Supply Manager generates an internal
interrupt when USBV
PLGIE bit in the PCR register is set). The user pro-
gram then can finish the current processing, and
MUST generate a software RESET afterwards.
This puts the microcontroller into reset state and
all I/O ports go into input high impedance mode.
Figure 23. External Power Supply Switch
32/161
1
(Note 2)
PMOS
4V min. from USB
Note 1: Ground lines not shown
Note 2: Suggested device: STN3PF06 (STMicroelectronics)
Note 3: To allow USB cable unplug detection, output voltage of step-up converter should be low
Step-up converter
enough to not enduce (through PMOS substrate diode) voltage greater than USBV
on USBV
USB SWITCH
DD
(Note 3)
DD
pin
reaches USBV
V
(True OD, H/W ctrl)
USBV
V
V
V
DDF
USBEN
ST7
DD1
DDA
DD2
DD
DD
IT+
. The on-
Doc ID 7215 Rev 4
(if the
USB VOLTAGE
DETECTOR
REGULATOR
USBV
USBV
Option bit
PLL
IT+
IT-
During and after this (software induced) reset
phase, the USBEN pin is set to output low level by
hardware. This causes the USB SWITCH to be
turned ON. Consequently, V
USBV
Once in USB mode, no power is drawn from the
step-up converter output.
For more details, refer to
General Purpose I/O (I/O port DR, DDR)
Alternate Function (USBEN)
VITPF
USBV
USBV
USBV
PLG bit
VITMF Bit
VITPF Bit
DD
supply. See
VITMF
IT+
IT-
DD
PLG
EDGE DETECTOR
WITH LATCH
PCR REGISTER
PLGIE
Figure
Figure
USBEN H/W
CONTROL
DD
23.
RESET
LOGIC
pin is powered by
24.
Interrupt Request
S/W RESET
DETEN
IT-
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