
Chapter 1 Device Overview MC9S12XD-Family
MC9S12XDP512 Data Sheet, Rev. 2.17
34
Freescale Semiconductor
Development support
— Single-wire background debug mode (BDM)
— Four on-chip hardware breakpoints
1.1.2
Modes of Operation
Normal expanded mode, Emulation of single-chip mode and Emulation of
expanded mode are ony available on family members with an external bus
interface in 144-pin LQFP. See
Appendix E Derivative Differences
for
package options.
User modes:
Normal and emulation operating modes
— Normal single-chip mode
— Normal expanded mode
— Emulation of single-chip mode
— Emulation of expanded mode
Special Operating Modes
— Special single-chip mode with active background debug mode
— Special test mode (
Freescale use only
)
Low-power modes:
System stop modes
— Pseudo stop mode
— Full stop mode
System wait mode
1.1.3
Block Diagram
Figure 1-1
shows a block diagram of theMC9S12X-Family. The block diagram shows all modules
available on cover part MC9S12XDP512. Availability of modules on other family members see
Appendix EDerivativeDifferences
.
Figure 1-2
showsblocksintegratedonmasksetM42E.The16channel
ATD Converter is routed to pins PAD00 - PAD15 on maskset M42E. See
Chapter 4 Analog-to-Digital
Converter (ATD10B16CV4) Block Description 123
.