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AN2156 Datasheet(PDF) 11 Page - STMicroelectronics

Part # AN2156
Description  STR73x Hardware Getting Started
PDF  24 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN2156 Datasheet(HTML) 11 Page - STMicroelectronics

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AN2156
4 - Boot management
11/24
Figure 9.
SystemMemory Boot mode development circuitry example
4.2
Test mode
The TST pin must always be connected to GND to disable testmode. Testmode is ST’s
reserved mode and must never be used by the application.
Figure 10. TST pin connection
SW0: 1-3 & SW1:1-3 User Boot Mode 1
SW0: 2-3 & SW1:1-3 User Boot Mode 2
SW0: 1-3 & SW1:2-3 SystemMemory Boot Mode
SW0: 2-3 & SW1:2-3 Reserved
VCC
nRSTIN
SW1
M1
2
1
3
2.2nF
C1
R1
47k
10K
R3
SW0
M0
2
1
3
VCC
TST



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