Texas Instruments TMS320C642x DSP - Manual (Page 22)

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2.4.1 Peripheral ID Register (PID)
2.4.2 Reset Type Status Register (RSTYPE)
PLL Controller
The peripheral ID register (PID) is shown in Figure 4 and described in Table 10 .
Figure 4. Peripheral ID Register (PID)
31 24 23 16
Reserved TYPE
R-0 R-1h
15 8 7 0
CLASS REV
R-8h R-Dh
LEGEND: R = Read only; -n = value after reset
Table 10. Peripheral ID Register (PID) Field Descriptions
Bit Field Value Description
31-24 Reserved 0 Reserved
23-16 TYPE Peripheral type
1h PLLC
15-8 CLASS Peripheral class
8h Current class
7-0 REV Peripheral revision
Dh Current revision
The reset type status register (RSTYPE) is shown in Figure 5 and described in Table 11 . It latches cause
of the last reset. Although the reset value of all bits is 0 after coming out of reset, one bit is set to 1 to
indicate the cause of the reset.
Figure 5. Reset Type Status Register (RSTYPE)
31 16
Reserved
R-0
15 3 2 1 0
Reserved MRST XWRST POR
R-0 R-0 R-0 R-0
LEGEND: R = Read only; -n = value after reset
Table 11. Reset Type Status Register (RSTYPE) Field Descriptions
Bit Field Value Description
31-3 Reserved 0 Reserved
2 MRST 0-1 Maximum reset. If 1, maximum reset was the reset to occur that is of highest priority.
1 XWRST 0-1 External warm reset. If 1, warm reset (RESET) was the last reset to occur that is of highest priority.
0 POR 0-1 Power on reset. If 1, power on reset (POR) was the last reset to occur that is of highest priority.
Phase-Locked Loop Controller (PLLC) 22 SPRUES0B – December 2007
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