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Usage of ARC SDP Mainboard Resources
DesignWare ARC AXC003 CPU Card User Guide
Version 6323-018
Synopsys, Inc.
May 2017
Table 22
Multicore Configuration (Mainboard DIP Switch SW2503)
Bit
Description
# 1
Boot core select
Switch Position
Boot Core
1
2
00
HS38x2_0 or HS36
1
2
01
HS38x2_1
010
Reserved
011
Reserved
# 2
# 4
Multicore mode
Switch Position
Multicore mode
00
Single core
01
Dual core
10
Reserved
11
Reserved
# 5
# 6
Reserved
# 7
Reserved
The GPIO pin located at SW2501[6] defines whether data cache and instruction cache are
used. This pin does not change the hardware configuration, and it is used by the pre-
bootloader software.