PXD10RM Datasheet, PDF (1230/1332 Pages) Freescale Semiconductor, Inc – PXD10 Microcontroller

Table 38-12. PWCMPH/L Allowed Register Accesses
8-bit
16-bit
READ
Allowed
Allowed
WRITE
Not Allowed
Not Allowed
1 _{All 32-bit accesses must be aligned to 32-bit addresses (i.e. 0x0, 0x4, 0x8 or 0xC).}
32-bit¹
Allowed
Allowed
In order to unsecure the device, the password needs to be written as follows: first the upper word to the
PWCMPH register, then the lower word to the PWCMPL register. The SSCM compares the password and
if the password is correct, unlocks the device.
38.3 Functional Description
The primary purpose of the SSCM is to provide information about the current state and configuration of
the system that may be useful for configuring application software and for debug of the system.
38.4 Initialization/Application Information
38.4.1 Reset
The reset state of each individual bit is shown within the Section 38.2.2, Register Description.
38-8
PXD10 Microcontroller Reference Manual, Rev. 1
Preliminary—Subject to Change Without Notice
Freescale Semiconductor