Publication No. PPC11A-HRM/1
Control and Status Registers 73
5.4
Slave FPGA Revision Register (Offset 0x60B)
Bits Description
7:4
Major revision
3:0
Minor revision
5.5
Board ID String Register 1 (Offset 0x610) to
Board ID String Register 11 (Offset 0x61A)
These read back ASCII values for “PPC11A”. Offset 0x610 holds the first character
and offset 0x61A holds the last character.
NOTE
Code should be written to read bytes until NULL is encountered or the last byte (0x61A) is reached.
5.6
Reset Cause Register 1 (Offset 0x61B)
For the non-reserved bits:
1 = The last reset was caused by the named event
0 = The last reset was not caused by the named event (default)
Bits
Reset Cause
Default
7
A power failure
6
XMC1 (XMC1_RESET_OUT_L)
5
XMC2 (XMC2_RESET_OUT_L)
4
Reserved
0
3
Software (BIT_HRESET is set in the
BIT Control and Status Register
2 & 1
Reserved
00
b
0
Universe II LRST
If no bits are set in either this or the Reset Cause Register 2, then the reset was caused
by a power failure.