Datasheet

Chapter 25 256 KByte Flash Module (S12XFTM256K2V1)
MC9S12XE-Family Reference Manual Rev. 1.25
Freescale Semiconductor 895
Figure 25-1. FTM256K2 Block Diagram
25.2 External Signal Description
The Flash module contains no signals that connect off-chip.
Oscillator
Clock
Divider
Clock (XTAL)
Command
Interrupt
Request
FCLK
Protection
Security
Registers
Flash
Interface
P-Flash
sector 0
sector 1
sector 127
16Kx72
16bit
internal
bus
Block 1
XGATE
P-Flash
sector 0
sector 1
sector 127
16Kx72
Block 0
Error
Interrupt
Request
Memory
CPU
Controller
D-Flash
16Kx22
Buffer RAM
Tag RAM
128x16
2Kx16
sector 0
sector 1
sector 127
Scratch RAM
512x16