mc9s12xd256 Freescale Semiconductor, Inc, mc9s12xd256 Datasheet - Page 1192

• Manufacturer Part Number: mc9s12xd256
• Description: Hcs12x Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Chapter 29 128 Kbyte Flash Module (S12XFTX128K1V1)
29.1.3
Program, erase, erase verify, and data compress operations (please refer to
Command Operations”
29.1.4
A block diagram of the Flash module is shown in
29.2
The Flash module contains no signals that connect off-chip.
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Security feature to prevent unauthorized access to the Flash memory
Code integrity check using built-in data compression
Oscillator
Clock
Command
Request
Interrupt
External Signal Description
Modes of Operation
Block Diagram
for details).
FTX128K1
Clock
Divider
Command Pipeline
Figure 29-1. FTX128K1 Block Diagram
cmd2
addr2
data2
MC9S12XDP512 Data Sheet, Rev. 2.17
Interface
Registers
Protection
Security
Flash
FCLK
cmd1
addr1
data1
Figure
29-1.
64K * 16 Bits
Flash Block
sector 127
Section 29.4.1, “Flash
sector 0
sector 1
Freescale Semiconductor