Nexus
MPC5565 Microcontroller Reference Manual, Rev. 1.0
Freescale Semiconductor
24-77
24.14.2.1 Development Control Registers (DC1 and DC2)
The development control registers control the basic development features of the NXDM module.
Access: R/W
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
R OPC
MCK_DIV
EOC
0
0
WEN
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
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
R
0
C
0
0
0
0
0
0
0
0
0
EIC
TM
W
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Figure 24-55. Development Control Register 1 (DC1)
Table 24-47. DC1 Field Description
Field
Description
31
OPC
1
1
The output port mode control bit (OPC) and MCKO divide bits (MCK_DIV) are shown for clarity. These functions are
controlled globally by the NPC port control register (PCR).
Output port mode control
0 Reduced port mode configuration
1 Full port mode configuration
30–29
MCK_DIV
MCK_DIV - nexus message clock divide ratio
00 MCKO is 1x system bus clock frequency.
01 MCKO is 1/2x system bus clock frequency.
10 MCKO is 1/4x system bus clock frequency.
11 MCKO is 1/8x system bus clock frequency.
28–27
EOC
EVTO control
00 EVTO upon occurrence of watchpoint (internal or external)
01 EVTO upon entry into system-level debug mode (ipg_debug)
1X Reserved
26–25
Reserved, read as 0.
24
WEN
Watchpoint trace enable
0 Watchpoint messaging disabled
1 Watchpoint messaging enabled.
23–5
Reserved, read as 0.
4–3
EIC
EVTI control
00 EVTI for synchronization (Data Trace)
01 Reserved
10 EVTI disabled for this module
11 Reserved
2–0
TM
Trace mode
000 No Trace
1XX Reserved
X1X Data trace enabled
XX1 Reserved
Summary of Contents for MPC5565
Page 18: ...MPC5565 Microcontroller Reference Manual Devices Supported MPC5565 MPC5565 RM Rev 1 0 09 2007...
Page 34: ...MPC5565 Reference Manual Rev 1 0 Freescale Semiconductor 15...
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Page 553: ...Flash Memory MPC5565 Microcontroller Reference Manual Rev 1 0 13 38 Freescale Semiconductor...
Page 559: ...SRAM MPC5565 Microcontroller Reference Manual Rev 1 0 14 6 Freescale Semiconductor...
Page 973: ...Preface MPC5565 Microcontroller Reference Manual Rev 1 0 21 36 Freescale Semiconductor...
Page 1153: ...Calibration MPC5565 Microcontroller Reference Manual Rev 1 0 B 8 Freescale Semiconductor...