Datasheet

Table Of Contents
MC9S08SH8 MCU Series Data Sheet, Rev. 3
Freescale Semiconductor 37
Chapter 4
Memory
4.1 MC9S08SH8 Memory Map
As shown in Figure 4-1, on-chip memory in the MC9S08SH8 series of MCUs consists of RAM, FLASH
program memory for nonvolatile data storage, and I/O and control/status registers. The registers are
divided into three groups:
Direct-page registers (0x0000 through 0x007F)
High-page registers (0x1800 through 0x185F)
Nonvolatile registers (0xFFB0 through 0xFFBF)
Figure 4-1. MC9S08SH8 Memory Map
DIRECT PAGE REGISTERS
RAM
HIGH PAGE REGISTERS
512 BYTES
0x0000
0x007F
0x0080
0x027F
0x1800
0x17FF
0x185F
0xFFFF
0x0280
MC9S08SH8
FLASH
8192 BYTES
0x1860
MC9S08SH4
UNIMPLEMENTED
51,104 BYTES
0xE000
0xDFFF
DIRECT PAGE REGISTERS
RAM
HIGH PAGE REGISTERS
256 BYTES
0x0000
0x007F
0x0080
0x1800
0x17FF
0x185F
0xFFFF
FLASH
4096 BYTES
0x1860
0x017F
0x0180
0xF000
0xEFFF
UNIMPLEMENTED
5504 BYTES
0x027F
0x0280
UNIMPLEMENTED
5504 BYTES
RESERVED
256 BYTES
UNIMPLEMENTED
51,104 BYTES
0xE000
0xDFFF
RESERVED
4096 BYTES