diff --git a/tcl/target/max32665.cfg b/tcl/target/max32665.cfg
index 893ffa8bb4edd3b9d9dd19128f8f1d1096badc07..23aa0b1354651e089b2d4b0a768ee051e395381f 100644
--- a/tcl/target/max32665.cfg
+++ b/tcl/target/max32665.cfg
@@ -7,8 +7,10 @@ adapter_nsrst_delay 200
 
 # Set flash parameters
 set FLASH_BASE 0x10000000
-set FLASH_SIZE 0x300000
+set FLASH_BASE1 0x10080000
+set FLASH_SIZE 0x80000
 set FLC_BASE 0x40029000
+set FLC_BASE1 0x40029400
 set FLASH_SECTOR 0x2000
 set FLASH_CLK 96
 set FLASH_OPTIONS 0x01
diff --git a/tcl/target/max32xxx.cfg b/tcl/target/max32xxx.cfg
index 9f5b2719e09ef166e07eeb99a0eb90c452ce98ed..21385f62c923829cc718c87a504780ccf12970a5 100644
--- a/tcl/target/max32xxx.cfg
+++ b/tcl/target/max32xxx.cfg
@@ -93,3 +93,8 @@ if { [info exists FLASH_OPTIONS] } {
 
 flash bank $_CHIPNAME.flash max32xxx $_FLASH_BASE $_FLASH_SIZE 0 0 $_CHIPNAME.cpu \
 $_FLC_BASE $_FLASH_SECTOR $_FLASH_CLK $_FLASH_OPTIONS
+
+if { [info exists FLASH_BASE1] } {
+  flash bank $_CHIPNAME.flash1 max32xxx $FLASH_BASE1 $_FLASH_SIZE 0 0 $_CHIPNAME.cpu \
+  $FLC_BASE1 $_FLASH_SECTOR $_FLASH_CLK $_FLASH_OPTIONS
+}