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TPM540 EVK
www.sercomm.com
DOC-669671v1
11
Cat-M1/NB1 Module
6.
Special hardware configuration pins
6.1.
SWD(JP17): TBD
SWDAT and SWCLK switch
6.2.
Isolation control(JP3):
3.3V to 1.8V level shift ICs(U3,U10,U11) control.
H: Turn off level shift ICs
L: Turn on level shift ICs
Defualt is connected to Low.
6.3.
Debug Selection(JP12):
HW pin for EJTAG chain select:
PD for MIPS chain.
PU for ARM chain.
Default setting is internal PD in TPM540.
6.4.
Anti Tamper(JP11): TBD
User can connect PMU_AT_OUT to PMU_AT_IN in order to protect its device or module from
tampering.
Default setting is floating on EVK.