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DesignWare ARC AXC003 CPU Card User Guide
CPU Start Registers
Synopsys, Inc.
Version 6323-018
May 2017
Table 17 PAE_UPDATE Register
Legend: * reset value
Bit
Name
Access Value Description
0
UPDATE
RW1C
0*
The PAE configuration registers is double-buffered. The newly
programmed value will be only be forwarded to the IOC port after
writing a ‘1’ to this bit.
31:1
Reserved
R
0x0*
9.6 CPU Start Registers
CPU_START: ARC CPU Start Register
Address offset:
0x1400
Reset value:
depends on DIP switch settings on the ARC SDP Mainboard
Table 18 CPU_START Register
Legend: * reset value
Bit Name
Access Value
Description
0
START_0
RW1C
0x0*
Writing a ‘1’ to this bit will generate a
cpu_start
pulse for the
1
st
ARC
1
START_1
RW1C
0x0*
Writing a ‘1’ to this bit will generate a
cpu_start
pulse for the
2
nd
ARC
4
START_MODE
RW
Boot mode select Boot start mode
0x0
1]
Start ARC core manually (CREG, external start button or
debugger)
0x1
Start ARC core autonomously after reset
8
POL
RW
Polarity of cpu_start pulse
0x0
active low
0x1*
active high
10:9
CORE_SEL
RW
Boot Core Select
0x0
[2]
HS38x2_0 | HS36
0x1
HS38x2_1
0x2
Reserved
0x3
Reserved
13:12
MULTI_CORE
RW
Multi Core Mode
0x0
[3]
Singe-core
0x1
Dual-core
0x2
Reserved
0x3
Reserved