MC9S12NE64CPVE Datasheet, PDF (68/554 Pages) Freescale Semiconductor, Inc – MC9S12NE64 Device Overview

Chapter 2 64 Kbyte Flash Module (S12FTS64KV3)
2.1.4 Block Diagram
A block diagram of the Flash module is shown in Figure 2-1.
FTS64K
Command
Interrupt
Request
Command
Interface
Command Pipeline
comm2
addr2
data2
comm1
addr1
data1
Protection
Oscillator
Clock
Security
Clock
Divider _FCLK
Flash Block
32K * 16 Bits
sector 0
sector 1
sector 127
Figure 2-1. FTS64K Block Diagram
2.2 External Signal Description
The Flash module contains no signals that connect off-chip.
2.3 Memory Map and Register Definition
This subsection describes the memory map and registers for the Flash module.
2.3.1 Module Memory Map
The Flash memory map is shown in Figure 2-2. The HCS12 architecture places the Flash memory
addresses between 0x4000 and 0xFFFF which corresponds to three 16-Kbyte pages. The content of the
MC9S12NE64 Data Sheet, Rev. 1.1
68
Freescale Semiconductor