MC9S12Q128_10 Datasheet, PDF (498/644 Pages) Freescale Semiconductor, Inc – HCS12 Microcontrollers

Chapter 18 64 Kbyte Flash Module (S12FTS64KV4)
18.1.3 Modes of Operation
See Section 18.4.2, “Operating Modes” for a description of the Flash module operating modes. For
program and erase operations, refer to Section 18.4.1, “Flash Command Operations”.
18.1.4 Block Diagram
Figure 18-1 shows a block diagram of the FTS64K module.
FTS64K
Command
Complete
Interrupt
Command
Buffer Empty
Interrupt
Flash
Interface
Command Pipeline
cmd2
addr2
data2
cmd1
addr1
data1
Registers
Flash Array
32K * 16 Bits
sector 0
sector 1
Oscillator
Clock
Protection
Security
Clock
Divider _FCLK
sector 63
Figure 18-1. FTS64K Block Diagram
18.2 External Signal Description
The FTS64K module contains no signals that connect off-chip.
498
MC9S12Q128
Freescale Semiconductor
Rev 1.10