Table of Contents
Advertisement
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.
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
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 (14K bytes)
(Device size: 32 bits)
0x0015 3000
0x0015 2fff
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
0x0003 0000
0x0002 ffff
Flash area (192K bytes)
(Device size: 32 bits)
0x0000 0000
S1C31D50/D51 TECHNICAL MANUAL
(Rev. 2.00)
S1C31D50
Reserved
Reserved
Reserved
-M0+
®
Reserved
Reserved
Reserved
Reserved
Reserved
Figure 4.1.1 Memory Map
Seiko Epson Corporation
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
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 (12K bytes)
(Device size: 32 bits)
0x0015 3800
0x0015 37ff
RAM area (2K bytes)
(Device size: 32 bits)
0x0015 3000
0x0015 2fff
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
0x0003 0000
0x0002 ffff
Flash area (192K bytes)
(Device size: 32 bits)
0x0000 0000
4 MEMORY AND BUS
S1C31D51
Reserved
Reserved
Reserved
-M0+
®
Reserved
Reserved
Reserved
Reserved
Reserved
4-1
Advertisement
Table of Contents
