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System Integration Unit (SIU)
MPC5566 Microcontroller Reference Manual, Rev. 2
6-18
Freescale Semiconductor
6.3.1.7
Overrun Status Register (SIU_OSR)
The SIU_OSR flag bits indicate that an overrun has occurred.
The following table describes the fields in the overrun status register:
Address: Base + 0x0020
Access: R/W
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
R
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
W
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
R OVF
15
OVF
14
OVF
13
OVF
12
OVF
11
OVF
10
OVF
9
OVF
8
OVF
7
OVF
6
OVF
5
OVF
4
OVF
3
OVF
2
OVF
1
OVF
0
W
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Figure 6-8. Overrun Status Register (SIU_OSR)
Table 6-14. SIU_OSR Field Descriptions
Field
Description
0–15
Reserved
16–31
OVF
n
Overrun flag
n.
This bit is set when an overrun occurs on IRQ[
n
]. Bit 31 (OVF0) is the overrun flag for IRQ[0]; bit 16
(OVF15) is overrun flag for IRQ[15].
0 No overrun occurred.
1 An overrun occurred.
Summary of Contents for MPC5566
Page 81: ...Introduction MPC5566 Microcontroller Reference Manual Rev 2 1 24 Freescale Semiconductor...
Page 135: ...Signal Description MPC5566 Microcontroller Reference Manual Rev 2 2 54 Freescale Semiconductor...
Page 189: ...Reset MPC5566 Microcontroller Reference Manual Rev 2 4 20 Freescale Semiconductor...
Page 603: ...Flash Memory MPC5566 Microcontroller Reference Manual Rev 2 13 38 Freescale Semiconductor...
Page 609: ...SRAM MPC5566 Microcontroller Reference Manual Rev 2 14 6 Freescale Semiconductor...
Page 1073: ...MPC5566 Microcontroller Reference Manual Rev 2 22 36 Freescale Semiconductor...
Page 1185: ...Nexus MPC5566 Microcontroller Reference Manual Rev 2 25 92 Freescale Semiconductor...