TX4939XBG-400 Toshiba, TX4939XBG-400 Datasheet - Page 434

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TX4939XBG-400

Manufacturer Part Number
TX4939XBG-400
Description
Manufacturer
Toshiba
Datasheet

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
16.4.49. G2P Configuration Address Register(G2PCFGADRS)
Rev. 3.1 November 1, 2005
Default
Default
NAME
NAME
Bit
31:24
23:16
15:11
10:8
7:2
1:0
TYPE
TYPE
Mnemonic
BUSNUM
DEVNUM
FNNUM
REGNUM
TYPE
31
15
30
14
DEVNUM
Field Name
Rsvd
Bus Number
Device Number
Function Number
Register Number
Type
0x00
R/W
29
13
RESERVED
Figure 16-60 G2P Configuration Address Register
28
12
Table 16-61 G2P Configuration Address Register
27
11
Description
Bus Number (Default: 0x00)
Indicates the target PCI Bus Number (one of 256).
Device Number (Default: 0x00)
This field is used to identify the target physical device number. (This is one
number out of 32 devices. 21 of these 32 devices are used.)
When in the address phase of Type 0 configuration access, AD[31:11] of the
upper 21 address lines are used as the IDSEL signal.
0x00: Use AD [11] as IDSEL.
0x01: Use AD [12] as IDSEL.
0x02: Use AD [13] as IDSEL.
0x13: Use AD [30] as IDSEL.
0x14: Use AD [31] as IDSEL.
0x15 - 0x1F: Rsvd
Function Number (Default: 000)
This field is used to identify the target logic function number (one out of 8).
Register Number (Default: 0x00)
This field is used to identify the DWORD (one out of 64) inside the
Configuration Space of the target function
Type (Default; 00)
This field is used to identify the address type in the address phase of the
target function configuration cycle.
0x0: Type 0 configuration (Use the AD[31:11] signal as the IDSEL signal.)
0x1: Type 1 configuration (Output all bits unchanged as the address to the
AD[ ] signal.)
26
10
FNNUM
R/W
000
25
9
16-70
:
:
24
8
23
7
22
6
21
REGNUM
5
0x00
R/W
20
BUSNUM
Toshiba RISC Processor
4
0x00
R/W
19
3
18
2
17
1
TYPE
R/W
R/W
R/W
R/W
R/W
R/W
TX4939
R/W
00
16
0
16
16

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