
133
GPIO Registers
DesignWare ARC AXC003 CPU Card User Guide
Version 6323-018
Synopsys, Inc.
May 2017
Default Settings of the DIP Switches on the ARC SDP Mainboard.
SW2501
1
2
3
4
5
6
7
‘1’
‘0’
Boot Mirror Select
Bypass loading
Reserved
SW2503
1
3
4
5
6
7
‘1'
‘0’
Boot Core Select
Multi-core mode
8
Reserved
2
9
SW2502
1
2
3
4
5
6
7
‘1'
‘0’
Reserved
SW2401
1
3
4
5
6
7
‘1’
‘0’
For application
purposes
8
2
9
10
SW2504
SW2507
SW2506
SW2505
Start ARC HS
GPIO
EXT_PORTA[20]
Reserved
GPIO
EXT_PORTA[21]
Reserved
GPIO
EXT_PORTA[22]
Reserved
GPIO
EXT_PORTA[23]
Cache mode (HS34/HS36 only)
Boot start mode
Reserved