PXS20RM Datasheet, PDF (286/1368 Pages) Freescale Semiconductor, Inc – PXS20 Microcontroller

Cyclic Redundancy Checker (CRC) Unit
IPS
S
Config &
data registers
Context 1
CRC
engine
Context 1
Context N
Context N
Figure 14-1. CRC top level diagram
14.4 Signal description
The CRC unit does not generate any external signals.
14.5 Register description
The CRC registers are listed in Table 14-1. The N index selects the specific context and is included in the
range 1 to 3.
s
Table 14-1. CRC registers
Address offset
0x0 + (N–1)0x10
0x4 + (N–1)0x10
0x8 + (N–1)0x10
0xC + (N–1)0x10
Register
CRC Configuration Register (CRC_CFG)
CRC Input Register (CRC_INP)
CRC Current Status Register (CRC_CSTAT)
CRC Output Register (CRC_OUTP)
Location
on page 14-3
on page 14-4
on page 14-5
on page 14-6
14-2
PXS20 Microcontroller Reference Manual, Rev. 1
Freescale Semiconductor