mcf51jf128 Freescale Semiconductor, Inc, mcf51jf128 Datasheet - Page 524

• Manufacturer Part Number: mcf51jf128
• Description: Mcf51jf128 Reference Manual
• Manufacturer: Freescale Semiconductor, Inc

Flash Operation in Low-Power Modes
23.4.11.4 Read Resource Command
The Read Resource command allows the user to read data from special-purpose memory
resources located within the FTFL module. The special-purpose memory resources
available include program flash IFR space, data flash IFR space, and the Version ID
field. Each resource is assigned a select code as shown in
1. Must be 32-bit aligned (Flash address [1:0] = 00).
1. Flash address [23] selects between program flash (=0) and FlexNVM (=1) resources..
2. Located in program flash 0 reserved space; Flash address [23] = 0
524
An invalid flash address is supplied
Flash address is not longword aligned
An invalid margin choice is supplied
Either of the margin reads does not match the expected data
Error Condition
Select Code
FCCOB Number
Resource
0x01
0x00
2
0
1
2
3
4
5
6
7
8
1
Table 23-41. Program Check Command Error Handling (continued)
Table 23-42. Read Resource Command FCCOB Requirements
Table 23-43. Read Resource Select Codes
MCF51JF128 Reference Manual, Rev. 2, 03/2011
Description
Version ID
IFR
User-provided values
Returned Values
Resource Select Code (see
Preliminary
FCCOB Contents [7:0]
Flash address [23:16]
Flash address [15:8]
Flash address [7:0]
Read Data [31:24]
Read Data [23:16]
Read Data [15:8]
0x03 (RDRSRC)
Read Data [7:0]
Resource Size
256 Bytes
8 Bytes
Table
Table
1
23-43)
23-43.
Freescale Semiconductor, Inc.
Local Address Range
0x0000 - 0x00FF
0x0000 - 0x0007
FSTAT[MGSTAT0]
FSTAT[ACCERR]
FSTAT[ACCERR]
FSTAT[ACCERR]
Error Bit