TC1775 Datasheet, PDF (59/101 Pages) Infineon Technologies AG – 32-Bit Single-Chip Microcontroller

TC1775
Preliminary
Boot Options
The TC1775 booting schemes provides a number of different boot options for the start
of code execution. Table 5 shows the boot options available in the TC1775.
Table 5
Boot Selections
OCDSE BRKIN CFG CFG Type of Boot
[3] [2:0]
Boot Source Initial
PC Value
1
1
X 000_B Start from Boot ROM Boot ROM BFFF FFFC_H
001_B
010_B
0 100_B External memory as External
slave directly via EBU Memory
A000 0000_H
1
100_B External memory as ^(cached)
master directly via EBU
0 101_B External memory as
slave via FPI Bus
1 101_B External memory as
master via FPI Bus
X 011_B Reserved; don’t use these combinations;
110_B
111_B
0
1
0 100_B Go to halt with EBU –
–
or enabled as slave
1 ^101B Go to halt with EBU
enabled as master
all other
combina-
tions
Go to halt with EBU
disabled
0
0
don’t care Go to external
–
emulator space
BE00 0000_H
1
0
don’t care Tri-state chip
–
–
(deep sleep)
Data Sheet
55
V1.2, 2002-05