AN1356 STMicroelectronics, AN1356 Datasheet - Page 41

• Manufacturer Part Number: AN1356
• Description: PSDSOFT EXPRESS AND PSD4235G2 DESIGN GUIDE
• Manufacturer: STMicroelectronics

Figure 45. Memory Map at Boot-Up or Reset and During IAP
Note: 1. PSD VM register initially 12h, Main PSD Flash memory in Data space.
(Note 2)
2. IAP loader code gets programmed here by JTAG-ISP or conventional programmer tool.
02000h - 03FFFh
00000h - 01FFFh
8FFFFh
04000h
csboot1, 8Kb PSD 2nd Flash
csboot0, 8Kb PSD 2nd Flash
Program Space
nothing mapped
P51XA
UNLOCK bit = 0
VM reg = 12h
SWAP bit = 0
rs0, 8k bytes PSD SRAM
P51XA-G3 Regs/SRAM
lcd_e, ext LCD chip sel
csiop, PSD cnti regs
nothing mapped
nothing mapped
64K bytes PSD
64K bytes PSD
64K bytes PSD
64K bytes PSD
64K bytes PSD
64K bytes PSD
64K bytes PSD
64K bytes PSD
Data Space
Main Flash
Main Flash
Main Flash
Main Flash
Main Flash
Main Flash
Main Flash
Main Flash
P51XA
(1)
fs0
fs7
fs6
fs5
fs4
fs3
fs2
fs1
AN1356 - APPLICATION NOTE
8FFFFh
80000h
7FFFFh
70000h
6FFFFh
60000h
5FFFFh
50000h
4FFFFh
40000h
3FFFFh
30000h
2FFFFh
20000h
1FFFFh
10000h
0FFFFh
0A000h
08000h - 09FFFh
07000h - 070FFh
06000h - 06001h
00400h - 05FFFh
00000h - 003FFh
64K bytes
64K bytes
64K bytes
64K bytes
64K bytes
64K bytes
64K bytes
64K bytes
64K bytes
AI04073
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