128 KByte Flash Module (S12XFTMR128K1V1)
MC9S12XHY-Family Reference Manual, Rev. 1.01
Freescale Semiconductor
621
19.1.3
Block Diagram
The block diagram of the Flash module is shown in .
External Signal Description
The Flash module contains no signals that connect off-chip.
19.2
Memory Map and Registers
This section describes the memory map and registers for the Flash module. Read data from unimplemented
memory space in the Flash module is undefined. Write access to unimplemented or reserved memory space
in the Flash module will be ignored by the Flash module.
Oscillator
Clock
Divider
Clock (XTAL)
Command
Interrupt
Request
FCLK
Protection
Security
Registers
Flash
Interface
16bit
internal
bus
sector 0
sector 1
sector 127
16Kx72
P-Flash
Error
Interrupt
Request
CPU
D-Flash
4Kx22
sector 0
sector 1
sector 31
Scratch RAM
384x16bits
Memory
Controller
electronic components distributor