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HTU Control Registers
1153
SPNU563A–March 2018
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High-End Timer Transfer Unit (HTU) Module
24.4.6 Control Packet (CP) Busy Register 3 (HTU BUSY3)
Figure 24-19. Control Packet (CP) Busy Register 3 (HTU BUSY3) [offset = 14h]
31 25 24 23 17 16
Reserved BUSY6A Reserved BUSY6B
R-0 R/W1CP-0 R-0 R/W1CP-0
15 9 8 7 1 0
Reserved BUSY7A Reserved BUSY7B
R-0 R/W1CP-0 R-0 R/W1CP-0
LEGEND: R/W = Read/Write; R = Read only; W1CP = Write 1 in privilege mode only to clear the bit; -n = value after reset
Table 24-18. Control Packet (CP) Busy Register 3 (HTU BUSY3) Field Descriptions
Bit Field Value Description
31-25 Reserved 0 Reads return 0. Writes have no effect.
24 BUSY6A Busy Flag for CP A of DCP 6
23-17 Reserved 0 Reads return 0. Writes have no effect.
16 BUSY6B Busy Flag for CP B of DCP 6
15-9 Reserved 0 Reads return 0. Writes have no effect.
8 BUSY7A Busy Flag for CP A of DCP 7
7-1 Reserved 0 Reads return 0. Writes have no effect.
0 BUSY7B Busy Flag for CP B of DCP 7
24.4.7 Active Control Packet and Error Register (HTU ACPE)
Figure 24-20. Active Control Packet and Error Register (HTU ACPE) [offset = 18h]
31 30 29 28 24 23 20 19 16
ERRF Reserved ERRETC Reserved ERRCPN
R/W1CP-0 R-0 R-0 R-0 R-0
15 14 13 12 8 7 4 3 0
TIPF BUSBUSY Rsvd CETCOUNT Reserved NACP
R-0 R-0 R-0 R-0 R-0 R-0
LEGEND: R/W = Read/Write; R = Read only; W1CP = Write 1 in privilege mode only to clear the bit; -n = value after reset
Table 24-19. Active Control Packet and Error Register (HTU ACPE) Field Descriptions
Bit Field Value Description
31 ERRF Error Flag
0 No error occurred.
1 This bit is set when one of the conditions listed at ERRETC is fulfilled and ERRETC and ERRCPN
are captured. Once ERRF is set, it is cleared when reading the upper 16-bit word of the ACPE
register or the complete 32-bit register. It is also cleared when writing a 1 to ERRF. ERRF can be
used to indicate if ERRETC and ERRCPN contain new unread data.
30-29 Reserved 0 Reads return 0. Writes have no effect.
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