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Nexus
MPC5566 Microcontroller Reference Manual, Rev. 2
Freescale Semiconductor
25-39
25.11.3 Development Status Register (DS)
The development status register is used to report system debug status. When debug mode is entered or
exited, or an e200z6-defined low power mode is entered, a debug status message is transmitted with
DS[31:24]. The external tool can read this register at any time.
Nexus Reg: 0x0004
Access: R/O
31
30
29
28
27
26
25
24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
R DBG 0
0
0
LPC CHK 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
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 25-17. Development Status Register (DS)
Table 25-28. DS Field Descriptions
Field
Description
31–28
DBG
Bit 31 is the e200z6 CPU debug mode transition status. Bits 31–28 are sent as the debug status message.
0 CPU not in debug mode
1 CPU in debug mode
27–26
LPC[1:0]
e200z6 CPU low power mode status.
00 Normal (run) mode
01 CPU in halted state
10 CPU in stopped state
11 Reserved
25
CHK
e200z6 CPU checkstop status.
0 CPU not in checkstop state
1 CPU in checkstop state
24–0
Reserved
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...