Memory And Bus; Overview - Epson Arm S1C31 Series Technical Manual

4 Memory and Bus

4.1 Overview

This IC supports up to 4G bytes of accessible memory space for both instructions and data.
The features are listed below.
• Embedded Flash memory that supports on-board programming
• Write-protect function to protect system control registers
Figure 4.1.1 shows the memory map.
S1C31D41 TECHNICAL MANUAL
(Rev. 1.1)
0xffff ffff
0xf022 2000
0xf022 1fff
MTB SRAM area (8K bytes)
(Device size: 32 bits)
0xf022 0000
0xf021 ffff
0xf020 1000
0xf020 0fff
MTB SFR area (4K bytes)
(Device size: 32 bits)
0xf020 0000
0xf01f ffff
0xf000 1000
0xf000 0fff
System ROM table area (4K bytes)
(Device size: 32 bits)
0xf000 0000
0xefff ffff PPB and reserved area for Cortex
(Device size: 32 bits)
0xe000 0000
0xdfff ffff
0x0020 4000
0x0020 3fff
Peripheral circuit area (12K bytes)
(Device size: 32 bits)
0x0020 1000
0x0020 0fff
Peripheral circuit area (4K bytes)
(Device size: 16 bits)
0x0020 0000
0x001f ffff
0x0015 6800
0x0015 67ff
Voice RAM area (18K bytes)
(Device size: 32 bits)
0x0015 2000
0x0015 1fff
RAM area (8K bytes)
(Device size: 32 bits)
0x0015 0000
0x0014 ffff
0x0014 0000
0x0013 ffff
Memory mapped access area
for external Flash memory (1M bytes)
(Device size: 32 bits)
0x0004 0000
0x0003 ffff
0x0001 8000
0x0001 7fff
Flash area (96K bytes)
(Device size: 32 bits)
0x0000 0000
Figure 4.1.1 Memory Map
Seiko Epson Corporation
S1C31D41
Reserved
Reserved
Reserved
-M0+
®
Reserved
Reserved
Reserved
Reserved
4 MEMORY AND BUS
4-1