TX4939XBG-400 Toshiba, TX4939XBG-400 Datasheet - Page 419
TX4939XBG-400
Manufacturer Part Number
TX4939XBG-400
Description
Manufacturer
Toshiba
Datasheet
1.TX4939XBG-400.pdf
(740 pages)
Specifications of TX4939XBG-400
Cpu Core
TX49/H4 90nm
Clock Mhz/max Mips
400/520
Inst./data Cache
32KB (4 Way)/32KB (4 Way)
Tlb
x
1cycle Mac
x
Volts (v)
1.25/2.5/3.3
Peripherals
DDR, NAND, ATA, ETHERNET, SECURITY, FPU, MMU, SPI, I2S, I2C, PCI, VIDEO, UART, TIMER, RTC
Companion Chip
TC86C001FG
Package
PGBA456
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PCIC
16.4.34. G2P Memory Space 0 Address Mask Register (G2PM0MASK)
16.4.35. G2P Memory Space 1 Address Mask Register (G2PM1MASK)
Rev. 3.1 November 1, 2005
Default
Default
Default
Default
NAME
NAME
NAME
NAME
Bit
31:4
3:0
Bit
31:4
3:0
TYPE
TYPE
TYPE
TYPE
Mnemonic
AM[35:8]
Mnemonic
AM[35:8]
31
15
31
15
30
14
30
14
Field Name
Address Mask
Rsvd
Field Name
Address Mask
Rsvd
29
13
29
13
Figure 16-45 G2P Memory Space 0 Address Mask Register
Figure 16-46 G2P Memory Space 1 Address Mask Register
Table 16-46 G2P Memory Space 0 Address Mask Register
Table 16-47 G2P Memory Space 1 Address Mask Register
28
12
28
12
27
11
27
11
Description
G-Bus to PCI-Bus Address Mask (Default: 0x0_0000_00)
Sets the bits to be subject to address comparison.
See 16.3.7 for more information.
When setting a memory space size of 256 MB (0x1000_0000) for example,
the value of G2PM0MASK[31:0] becomes 0x00FF_FFF0.
Description
G-Bus to PCI-Bus Address Mask (Default: 0x0_0000_00)
Sets the bits to be subject to address comparison.
See 16.3.7 for more information.
When setting a memory space size of 256 MB (0x1000_0000) for example,
the value of G2PM1MASK[31:0] becomes 0x00FF_FFF0.
26
10
26
10
AM[19:8]
AM[19:8]
0x000
0x000
R/W
R/W
25
25
9
9
16-55
AM[35:20]
AM[35:20]
24
24
8
8
0x0000
0x0000
R/W
R/W
23
23
7
7
22
22
6
6
21
21
5
5
20
20
Toshiba RISC Processor
4
4
19
19
3
3
RESERVED
RESERVED
18
18
2
2
17
17
1
1
R/W
R/W
R
R/W
R/W
R
TX4939
16
16
0
0
16
16
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