
Chapter 19 64 Kbyte Flash Module (S12FTS64KV4)
Freescale Semiconductor
MC9S12C-Family / MC9S12GC-Family
539
Rev 01.24
Figure 19-2. FTS64K Block Diagram
19.2
External Signal Description
The FTS128K1FTS64K module contains no signals that connect off-chip.
19.3
Memory Map and Registers
This section describes the FTS128K1FTS64K memory map and registers.
19.3.1
Module Memory Map
the Flash array addresses between 0x40000x4000 and 0xFFFF, which corresponds to three 16 Kbyte
pages. The content of the HCS12 Core PPAGE register is used to map the logical middle page ranging from
FTS64K
Oscillator
Clock
Command
Complete
Interrupt
Command
Buffer Empty
Interrupt
Flash Array
32K * 16 Bits
sector 0
sector 1
sector 63
Clock
Divider FCLK
Protection
Security
Command Pipeline
cmd2
addr2
data2
cmd1
addr1
data1
Registers
Flash
Interface