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TTP-248M Bar Code Printer
Service Manual
0x00000000
2-Gbytes virtual space,
cacheable
(write-back/write-through)
Area P0
0x80000000
0.5-Gbytes fixed physical space,
cacheable
(write-back / write-through)
Area P1
0xA0000000
0.5-Gbytes fixed physical space,
non-cacheable
Area P2
0xC0000000
0.5-Gbytes virtual space,
cacheable
(write-back / write-through)
Area P3
0xE0000000
0.5-Gbytes control space,
non-cacheable
Area P4
Table 1.
Cacheable address use Area P1 (0x80000000 ~ 0x9FFFFFFF)
Non-cacheable address use Area P2 (0xA0000000 ~ 0xBFFFFFFF)
Program Area use Area P1.
Hardware Area use Area P2.
P1 and P2 is same area, just P1 is cacheable and P2 is non-cacheable.
Area P2
0xA0000000
Flash 1 (Main board U25), Size 1M bytes
(Firmware Program)
Area 0(/CS0)
0xA0100000
Flash 2 (Main board U26), Size 1M bytes
0xA0200000
Flash 3 (Main board U23), Size 1M bytes
0xA0300000
Flash 4 (Main board U24), Size 1M bytes
0xA0400000
Flash 5 (Memory Card U1), Size 1M bytes
0xA0500000
Flash 6 (Memory Card U2), Size 1M bytes
0xA0600000
Flash 7 (Memory Card U3), Size 1M bytes
0xA0700000
Flash 8 (Memory Card U4), Size 1M bytes
0xA0800000
Flash 9 (Memory Card U5), Size 1M bytes
0xA0900000
Flash 10 (Memory Card U6), Size 1M bytes
0xA0A00000
Flash 11(Memory Card U7), Size 1M bytes
0xA0B00000
Flash 12 (Memory Card U8), Size 1M bytes
0xA0C00000
|
0xA3FFFFFF
N/C
0xA0C00000
|
0xA3FFFFFF
Use by CPU
Area 1
(Internal I/O)
0xA8000000
N/C
Area 2
(External I/O)