System Integration Unit (SIU)
MPC5510 Microcontroller Family Reference Manual, Rev. 1
Freescale Semiconductor
6-39
Preliminary
6.3.2.27
Halt Acknowledge Register (SIU_HLTACK)
The SIU_HLTACK bits indicate that the peripheral requested to halt via the HLT bit has completed the halt
process and has entered a halted state with the peripheral clocks disabled. The HLTACK bits are read-only
Offset:
SI 0x09A4
Access: User read/write
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
R
HLT
W
Reset 0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Figure 6-29. Halt Register (SIU_HLT)
Table 6-28. HALT Register Field Descriptions
Field
Description
HLT
Halt Selects. The HLT bits halt specific modules. Each bit corresponds to a separate module, as mapped
below.
0
Reserved
1
Reserved
2
FLEXRAY
3
DMA
4
Reserved
5
Reserved
6
NPC
7
EBI
8
EQADC
9
MLB
10
EMIOS200
11
Reserved
12
I
2
C_A
13
PIT
14
FLEXCAN_F
15
FLEXCAN_E
16
FLEXCAN_D
17
FLEXCAN_C
18
FLEXCAN_B
19
FLEXCAN_A
20
DSPI_D
21
DSPI_C
22
DSPI_B
23
DSPI_A
24
ESCI_H
25
ESCI_G
26
ESCI_F
27
ESCI_E
28
ESCI_D
29
ESCI_C
30
ESCI_B
31
ESCI_A
Note: Writes to reserved HLT bits 4, 5, and 11 are reflected in the reserved HLTACK bits 4, 5, and 11.