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AN3961 bảng dữ liệu(PDF) 22 Page - STMicroelectronics

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Giải thích chi tiết về linh kiện  STEVAL-IME003V1 demonstration board based on the STHV748 ultrasound pulser
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
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Hardware layout and configuration
AN3961
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DocID022083 Rev 3
The LEDs associated with FPGA operations are described in Table 7.
3.4.1
Stored patterns
The STEVAL-IME003V1 offers the possibility to memorize 16 patterns into on-board Flash
memory in order to show the performance achievable at the pulser outputs. Six selectable
patterns already stored in the Flash memory are preset by default, available and ready to
use. A detailed description of the preset programs is listed in the tables that follow.
Table 7. FPGA LEDs
Color
Name
Description
D2
Green
START
A program is running after START button SW5 has been
pressed.
D3
Green
STOP
The STOP button SW4 has been pressed.
D4
Green
IDLE
The FPGA state machine is in the idle state.
D5
Red
ERROR
An error has occurred during FPGA state machine
execution.
D23
Green
DONE
The FPGA has been successfully configured.
D6-D29
Yellow
PROG 0-15
The corresponding program is selected.
Table 8. Program “0“
PW 5 pulses - HV0/1=±60 V; load: 300 pF//100
Ω
Mode
Frequency
[MHz]
Number of
pulses
Initial pulse
H-bridge
PRF
Ch A
PW
2.5
5
Positive
TX0
150 µs
Ch B
PW
2.5
5
Negative
TX0
150 µs
Ch C
PW
5
5
Positive
TX1
150 µs
CH D
PW
5
5
Negative
TX1
150 µs



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