MPC5604B/C Microcontroller Reference Manual, Rev. 8
Freescale Semiconductor 87
PIN[0..7] referred to in Table 5-18 equates to PC[2..9] (Pad 34..41).
5.3.4.5 Password comparison registers
These registers provide a means for the BAM code to unsecure the device via the SSCM if the password
has been provided via serial download.
Table 5-18. Debug status port modes
Pin
1
1
All signals are active high, unless otherwise noted
Mode 1 Mode 2 Mode 3 Mode 4 Mode 5 Mode 6 Mode 7
0 SSCM_STATUS
[0]
SSCM_STATUS
[8]
SSCM_MEMCONFI
G[0]
SSCM_MEMCONFI
G[8]
Reserved Reserved Reserved
1 SSCM_STATUS
[1]
SSCM_STATUS
[9]
SSCM_MEMCONFI
G[1]
SSCM_MEMCONFI
G[9]
Reserved Reserved Reserved
2 SSCM_STATUS
[2]
SSCM_STATUS
[10]
SSCM_MEMCONFI
G[2]
SSCM_MEMCONFI
G[10]
Reserved Reserved Reserved
3 SSCM_STATUS
[3]
SSCM_STATUS
[11]
SSCM_MEMCONFI
G[3]
SSCM_MEMCONFI
G[11]
Reserved Reserved Reserved
4 SSCM_STATUS
[4]
SSCM_STATUS
[12]
SSCM_MEMCONFI
G[4]
SSCM_MEMCONFI
G[12]
Reserved Reserved Reserved
5 SSCM_STATUS
[5]
SSCM_STATUS
[13]
SSCM_MEMCONFI
G[5]
SSCM_MEMCONFI
G[13]
Reserved Reserved Reserved
6 SSCM_STATUS
[6]
SSCM_STATUS
[14]
SSCM_MEMCONFI
G[6]
SSCM_MEMCONFI
G[14]
Reserved Reserved Reserved
7 SSCM_STATUS
[7]
SSCM_STATUS
[15]
SSCM_MEMCONFI
G[7]
SSCM_MEMCONFI
G[15]
Reserved Reserved Reserved
Table 5-19. SSCM_DEBUGPORT allowed register accesses
Access type 8-bit 16-bit 32-bit
1
1
All 32-bit accesses must be aligned to 32-bit addresses (i.e., 0x0, 0x4, 0x8 or 0xC).
Read Allowed Allowed Not allowed
Write Allowed Allowed Not allowed