MC9S12T64 Datasheet, PDF (122/608 Pages) Motorola, Inc – Specification

Freescale Semiconductor, Inc.
Module Mapping Control (MMC)
• Core Address Bus control
• Core Data Bus control and multiplexing
• Core Security state decoding
• Emulation Chip Select signal generation (ECS)
• Internal memory expansion
• Miscellaneous system control functions via the MISC register
Block Diagram
The block diagram of the MMC is shown in Figure 14 below.
secure
bdm_unsecure
Stop, Wait
Read & Write Enables
Clocks, Reset
Mode Information
EBI Alternate Address bus
EBI Alternate Write data bus
EBI Alternate Read data bus
CPU Address bus
CPU Read Data bus
CPU Write Data bus
CPU Control
MMC
SECURITY
mmc_secure
REGISTERS
ADDRESS DECODE
INTERNAL MEMORY
EXPANSION
Port K Interface
memory space select(s)
peripheral select
Core select (s)
BUS CONTROL
Alternate Address bus (BDM)
Alternate Write data bus (BDM)
Alternate Read data bus (BDM)
Figure 14 Module Mapping Control Block Diagram
MC9S12T64Revision 1.1.1
Module Mapping Control (MMC)
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