CML12C32SLK Freescale Semiconductor, CML12C32SLK Datasheet - Page 25
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CML12C32SLK
Manufacturer Part Number
CML12C32SLK
Description
KIT STUDENT LEARNING 16BIT HCS12
Manufacturer
Freescale Semiconductor
Type
MCUr
Datasheet
1.CML12C32SLK.pdf
(28 pages)
Specifications of CML12C32SLK
Contents
*
For Use With/related Products
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
C M L - 1 2 C 3 2
BDM OPERATION
BDM operation on the CML-12C32 board emulates supported HC(S)12 internal flash memory
in external ram. This feature allows BDM’s (Background Debug Modules) such as the AX-
BDM12 to load and control the execution of code being developed without the necessity of the
internal flash memory being programmed repeatedly during the development process. This
feature improves update time and allows the use of software breakpoints instead of being lim-
ited to only 2 hardware breakpoints.
Operation Notes for BDM use:
1) The BDM initialization of the HC12 should set the correct operating MODE (expanded-
2) While using the BDM, the user has full control over the memory map and hardware re-
wide for external memory access). The LSTRB, RW, ROMEN, and Stretch configuration
bits should be set for proper external memory access operation. The Axiom support CD
contains sample set-up macros for the USB_BDM.
sources of the HCS12. No MCU resources are reserved for monitor use and the MCU
interrupt vector table, located at 0xFF8C - 0xFFFF, may be used.
MON12 Interrupt Table (continued)
0FF6
0FF8
0FFA
0FFC
0FFE
FFF6
FFF8
FFFA
FFFC
FFFE
25
6C
6E
70
72
74
SWI
TRAP
COP
CLM
RESERVED
J U L Y
2 6 ,
2 0 0 4