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Segger J-Link - Page 103

Segger J-Link
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J-Link / J-Trace (UM08001) © 2004-2017 SEGGER Microcontroller GmbH & Co. KG
103
Example
#Read:
> monitor memU8 0x50000000
< Reading from address 0x50000000 (Data = 0x04)
#Write:
> monitor memU8 0x50000000 = 0xFF
< Writing 0xFF @ address 0x50000000
3.3.3.13 memU16
Syntax
memU16 <address> [= <value>]
Description
Reads or writes a halfword from/to a given address. If <value> is specified, this com-
mand writes the value to the given address. Otherwise this command reads from the
given address.
Example
#Read:
> monitor memU16 0x50000000
< Reading from address 0x50000000 (Data = 0x3004)
#Write:
> monitor memU16 0x50000000 = 0xFF00
< Writing 0xFF00 @ address 0x50000000
3.3.3.14 memU32
Syntax
MemU32 <address> [= <value>]
Description
Reads or writes a word from/to a given address. If <value> is specified, this com-
mand writes the value to the given address. Otherwise this command reads from the
given address. This command is similar to the long command.
Example
#Read:
> monitor memU32 0x50000000
< Reading from address 0x50000000 (Data = 0x10023004)
#Write:
> monitor memU32 0x50000000 = 0x10023004
< Writing 0x10023004 @ address 0x50000000
3.3.3.15 reg
Syntax
reg <RegName> [= <value>]
or
reg <RegName> [= (<address>)]
Description
Reads or writes from/to given register. If <value> is specified, this command writes
the value into the given register. If <address> is specified, this command writes the
memory content at address <address> to register <RegName>. Otherwise this com-
mand reads the given register.

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