Chapter 25 256 KByte Flash Module (S12XFTM256K2V1)
MC9S12XE-Family Reference Manual , Rev. 1.19
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
Because
of
an
order
from
the
United
States
International
Trade
Commission,
BGA-packaged
product
lines
and
part
numbers
indicated
here
currently
are
not
available
from
Freescale
for
import
or
sale
in
the
United
States
prior
to
September
2010:
S12XE
products
in
208
MAPBGA
packages