User's Manual

System Overview and Functional Block Descriptions
1322x-LPB Reference Manual, Rev. 1.1
3-14 Freescale Semiconductor
3.8.6 Jumper Selection
Table 3-4 lists all the possible jumper selections for the 1322x-LPB. The jumpers available on the board
are:
• J16 - used to measure MC1322x current
• J17 - used to reset MC1322x
• J18 - used to enable 1.5V reference
• J19, J20 - used to recover/clear FLASH. See Table 3-4.
Table 3-4. LPB Jumper Selection
Pin Header
Pin Number
Connection
Description Default Setting
J16 1-2 Connect to ammeter to measure MC1322x current. R65
should be removed
Not mounted. Can
be mounted for
operation w/o R65
J17 1-2 Connect to reset MC1322x Not mounted
J18 1-2 Connect to enable 1.5V reference Not mounted
J19, J20 1-2, 1-2 Connect both to recover/clear FLASH. See Section 3.6,
“FLASH Memory Recovery Jumpers and Erase”
Not mounted