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TMS320DM647 数据表(PDF) 87 Page - Texas Instruments |
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TMS320DM647 数据表(HTML) 87 Page - Texas Instruments |
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87 / 181 page  TMS320DM647 TMS320DM648 www.ti.com SPRS372F – JANUARY 2010 – REVISED SEPTEMBER 2009 6.7.7 Reset Controller Register The reset type status (RSTYPE) register is the only register for the reset controller. The RSTYPE register latches the cause of the last reset. If multiple reset sources occur simultaneously, this register latches the highest priority reset source. The reset type status register is shown in Figure 6-9 and described in Table 6-22. Figure 6-9. Reset Type Status Register (RSTYPE) 31 16 Reserved R-0 15 4 3 2 1 0 Reserved SRST MRST WRST POR R-0 R-0 R-0 R-0 R-0 LEGEND: R/W = Read/Write; R = Read only; -n = value after reset Table 6-22. Reset Type Status Register (RSTYPE) Field Descriptions Bit Field Value Description 31:4 Reserved Reserved. The reserved bit location is always read as 0. A value written to this field has no effect. 3 SRST System reset 0 System Reset was not the last reset to occur. 1 System Reset was the last reset to occur. 2 MRST Max reset 0 Max Reset was not the last reset to occur. 1 Max Reset was the last reset to occur. 1 WRST Warm reset 0 Warm Reset was not the last reset to occur. 1 Warm Reset was the last reset to occur. 0 POR Power-on reset 0 Power-on Reset was not the last reset to occur. 1 Power-on Reset was the last reset to occur. 6.7.8 Reset Electrical Data/Timing NOTE If a configuration pin must be routed out from the device, the internal pullup/pulldown (IPU/IPD) resistor should not be relied upon; TI recommends the use of an external pullup/pulldown resistor. Copyright © 2010–2009, Texas Instruments Incorporated Peripheral Information and Electrical Specifications 87 Submit Documentation Feedback Product Folder Link(s): TMS320DM647 TMS320DM648 |
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