TSC TDP 248M, Service Manual

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TTP-248M/2410M Bar Code Printer
Service Manua
l
3.5 Decoder Circuits
3.6 Memory Map
(
Privileged mode)
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