mc9s12xs128 Freescale Semiconductor, Inc, mc9s12xs128 Datasheet - Page 510

• Manufacturer Part Number: mc9s12xs128
• Description: Hcs12 Microcontrollers 16-bit Automotive Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

256 KByte Flash Module (S12XFTMR256K1V1)
18.2
The Flash module contains no signals that connect off-chip.
18.3
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.
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Command
Request
Error
Request
CPU
Oscillator
Clock (XTAL)
Interrupt
Interrupt
External Signal Description
Memory Map and Registers
Scratch RAM
384x16
Clock
Divider
Controller
Registers
Protection
Memory
Security
Interface
Figure 18-1. FTMR256K1 Block Diagram
S12XS Family Reference Manual, Rev. 1.10
Flash
FCLK
D-Flash
4Kx22
sector 31
sector 0
sector 1
16bit
internal
bus
sector 127
16Kx72
sector 0
sector 1
P-Flash
32Kx72
Freescale Semiconductor
sector 127
16Kx72
sector 0
sector 1