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AN2156 데이터시트(PDF) 11 Page - STMicroelectronics

부품명 AN2156
상세설명  STR73x Hardware Getting Started
PDF  24 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN2156 데이터시트(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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