PXS20RM Datasheet, PDF (1343/1368 Pages) Freescale Semiconductor, Inc – PXS20 Microcontroller

System Status and Configuration Module (SSCM)
Table 48-8. DEBUGPORT Field Descriptions
Field
Description
DEBUG_ Debug Status Port Mode. This field selects the alternate debug functionality for the Debug Status Port
MODE 000 No alternate functionality selected
001 Mode 1 Selected
010 Mode 2 Selected
011 Mode 3 Selected
100 Mode 4 Selected
101 Mode 5 Selected
110 Mode 6 Selected
111 Mode 7 Selected
Table 48-9 describes the functionality of the Debug Status Port in each mode.
Pin¹
0
Mode 1
STATUS[0]
Table 48-9. Debug Status Port Modes
Mode 2
STATUS[8]
Mode 3
MEMCONFIG[0]
Mode 4
MEMCONFIG[8]
Mode 5
Reserved
Mode 6
Reserved
Mode 7
Reserved
1
STATUS[1]
STATUS[9] MEMCONFIG[1] MEMCONFIG[9]
2
STATUS[2]
STATUS[10] MEMCONFIG[2] MEMCONFIG[10]
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
3
STATUS[3]
STATUS[11] MEMCONFIG[3] MEMCONFIG[11]
4
STATUS[4]
STATUS[12] MEMCONFIG[4] MEMCONFIG[12]
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
5
STATUS[5]
STATUS[13] MEMCONFIG[5] MEMCONFIG[13]
Reserved
Reserved
Reserved
6
STATUS[6]
STATUS[14] MEMCONFIG[6] MEMCONFIG[14]
Reserved
Reserved
Reserved
7
STATUS[7]
STATUS[15] MEMCONFIG[7] MEMCONFIG[15]
Reserved
Reserved
Reserved
NOTES:
1 _{All signals are active high, unless otherwise noted}
READ
WRITE
Table 48-10. DEBUGPORT Allowed Register Accesses
8-bit
16-bit
32-bit
Allowed
Allowed
Allowed
Allowed
Not Allowed
Not Allowed
48.3.1.5 Password Comparison Registers (PWCMPH and PWCMPL)
These registers allow to unsecure the device, if the correct password is known. They are intended for
device-internal operation only.
Freescale Semiconductor
PXS20 Microcontroller Reference Manual, Rev. 1
48-7