Toshiba H1 Series Data Book page 47

3.4.2 Hardware Specifications of Internal Boot ROM
(1) Memory map
Figure 3.4.1 shows a memory map of BOOT mode.
The boot ROM incorporated in the TMP92CZ26A is an 8-Kbyte ROM area mapped to
addresses 3FE000H to 3FFFFFH.
In MULTI mode, the boot ROM is not mapped and the above area is mapped as an
external area.
Note: BROMCR<VACE> = "1" : (B) when booting
BROMCR<VACE> = "0" : (A) when multi mode
(2) Switching the boot ROM area to an external area
After the boot sequence is executed in BOOT mode, an application system program
may start running without a reset being asserted. In this case, it is possible to switch
the boot ROM area to an external area.
000000H
001FF0H
002000H
010000H
046000H
(Internal Backup RAM 16 Kbytes)
04A000H
3FE000H
Internal Boot ROM
3FFF00H
400000H
FFFF00H
FFFFFFH
Figure 3.4.1 Memory Map of BOOT Mode
92CZ26A-44
Internal I/O
Internal RAM
(288 Kbytes)
(8 Kbytes)
(B) Reset/Interrupt (Note)
(A) Reset/Interrupt
TMP92CZ26A
Vector Area (256 bytes)
(Note)
Vector Area (256 bytes)