Datasheet

Chapter 29 128 Kbyte Flash Module (S12XFTX128K1V1)
MC9S12XDP512 Data Sheet, Rev. 2.21
1192 Freescale Semiconductor
• Security feature to prevent unauthorized access to the Flash memory
• Code integrity check using built-in data compression
29.1.3 Modes of Operation
Program, erase, erase verify, and data compress operations (please refer to Section 29.4.1, “Flash
Command Operations” for details).
29.1.4 Block Diagram
A block diagram of the Flash module is shown in Figure 29-1.
Figure 29-1. FTX128K1 Block Diagram
29.2 External Signal Description
The Flash module contains no signals that connect off-chip.
FTX128K1
Flash Block
64K * 16 Bits
sector 0
sector 1
sector 127
Oscillator
Clock
Divider
Clock
Command
Interrupt
Request
FCLK
Protection
Security
Command Pipeline
cmd2
addr2
data2
cmd1
addr1
data1
Registers
Flash
Interface