TCC76 Datasheet, PDF (233/259 Pages) List of Unclassifed Manufacturers – 32-bit RISC Microprocessor For Digital Media Player

TCC76x
Specification Rev. 0.07
32-bit RISC Microprocessor for Digital Media Player
February 23, 2005
BOOTING PROCEDURE
20.6 Development mode (BM == 101)
To ease the effort for starting development with the TCC76x, the TCC76x provides
development mode in booting. In this mode, JTAG and SDRAM interface are
enabled and set protection unit of the TCC76x appropriately.
The Table 20.3 describes the region setting in this mode.
Region #
0
1
2
3
4
5
6
7
Table 20.3 Region Settings in Development Mode
Start
End
I Cache D Cache Buffer Protection
0x00000000 0xFFFFFFFF Disabled Disabled Disabled Full Access
0x20000000 0x3FFFFFFF Disabled Disabled Disabled Full Access
0x40000000 0x4FFFFFFF Disabled Disabled Disabled Full Access
0x50000000 0x5FFFFFFF Disabled Disabled Disabled Full Access
0x60000000 0x6FFFFFFF Disabled Disabled Disabled Full Access
0x70000000 0x7FFFFFFF Disabled Disabled Disabled Full Access
0x80000000 0xFFFFFFFF Disabled Disabled Disabled Full Access
0x3000F000 0x3000FFFF Disabled Disabled Disabled Full Access
*) The region of higher number has higher priority than that of other regions. So
region 7 has highest priority and region 0 has lowest priority.
After region setting finishes, it goes into a infinite loop while toggling GPIO_A[0].
Preliminary
20-7