mc9s12xs128 Freescale Semiconductor, Inc, mc9s12xs128 Datasheet - Page 130

• Manufacturer Part Number: mc9s12xs128
• Description: Hcs12 Microcontrollers 16-bit Automotive Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

Memory Mapping Control (S12XMMCV4)
3.2
The user is advised to refer to the SoC Guide for port configuration and location of external bus signals.
Some pins may not be bonded out in all implementations.
Table 3-2
130
External Signal Description
outlines the pin names and functions. It also provides a brief description of their operation.
Signal
MODC
MMC
Data FLASH
Table 3-2. External Input Signals Associated with the MMC
BDM
I/O
I
Address Decoder & Priority
S12XS Family Reference Manual, Rev. 1.10
PGMFLASH
Target Bus Controller
Figure 3-1. MMC Block Diagram
Description
Mode input
RAM
CPU
Peripherals
RESET (active low)
Latched after
Availability
Freescale Semiconductor
DBG