S9S12XS256J0CAL Datasheet, PDF (510/738 Pages) Freescale Semiconductor, Inc – Microcontrollers

256 KByte Flash Module (S12XFTMR256K1V1)
Command
Interrupt
Request
Error
Interrupt
Request
Oscillator
Clock (XTAL)
Flash
Interface
Registers
Protection
Security
Clock
Divider _FCLK
16bit
internal
bus
P-Flash
32Kx72
16Kx72 16Kx72
sector 0
sector 0
sector 1
sector 1
sector 127
sector 127
Memory
Controller
CPU
Scratch RAM
384x16
D-Flash
4Kx22
sector 0
sector 1
sector 31
Figure 18-1. FTMR256K1 Block Diagram
18.2 External Signal Description
The Flash module contains no signals that connect off-chip.
18.3 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.
S12XS Family Reference Manual, Rev. 1.13
510
Freescale Semiconductor