TX4939XBG-400 Toshiba, TX4939XBG-400 Datasheet - Page 409
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
TX4939XBG-400
Manufacturer:
NSC
Quantity:
872
Company:
Part Number:
TX4939XBG-400
Manufacturer:
TOSHIBA
Quantity:
10 440
Part Number:
TX4939XBG-400
Manufacturer:
TOSHIBA/东芝
Quantity:
20 000
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PCIC
Rev. 3.1 November 1, 2005
Bit
18:16
15
14:12
11
10:8
7
6:4
3
2:0
Mnemonic
ReqDP
ReqWP
ReqXP
ReqYP
ReqZP
Field Name
Request D Port
Rsvd
Request W Port
Rsvd
Request X Port
Rsvd
Request Y Port
Rsvd
Request Z Port
Table 16-34 PCI Bus Arbiter Request Port Register
Description
Request D Port (Default: 100)
Sets the PCI Bus Master that connects to the Internal PCI Bus Arbiter
Request D Port (Master D).
111: Makes the PCI Controller Master D.
110: Rsvd
101: Makes REQ*[5] Master D.
100: Makes REQ*[4] Master D.
011: Makes REQ*[3] Master D.
010: Makes REQ*[2] Master D.
001: Makes REQ*[1] Master D.
000: Makes REQ*[0] Master D.
Request W Port (Default: 011)
Sets the PCI Bus Master that connects to the Internal PCI Bus Arbiter
Request W Port (Master W).
111: Makes the PCI Controller Master W.
110: Rsvd
101: Makes REQ*[5] Master .
100: Makes REQ*[4] Master W.
011: Makes REQ*[3] Master W.
010: Makes REQ*[2] Master W.
001: Makes REQ*[1] Master W.
000: Makes REQ*[0] Master W.
Request X Port (Default: 010)
Sets the PCI Bus Master that connects to the Internal PCI Bus Arbiter
Request X Port (Master X).
111: Makes the PCI Controller Master X.
110: Rsvd
101: Makes REQ*[5] Master X.
100: Makes REQ*[4] Master X.
011: Makes REQ*[3] Master X.
010: Makes REQ*[2] Master X.
001: Makes REQ*[1] Master X.
000: Makes REQ*[0] Master X.
Request Y Port (Default: 001)
Sets the PCI Bus Master that connects to the Internal PCI Bus Arbiter
Request Y Port (Master Y).
111: Makes the PCI Controller Master Y.
110: Rsvd
101: Makes REQ*[5] Master Y.
100: Makes REQ*[4] Master Y.
011: Makes REQ*[3] Master Y.
010: Makes REQ*[2] Master Y.
001: Makes REQ*[1] Master Y.
000: Makes REQ*[0] Master Y.
Request Z Port (Default: 000)
Sets the PCI Bus Master that connects to the Internal PCI Bus Arbiter
Request Z Port (Master Z).
111: Makes the PCI Controller Master Z.
110: Rsvd
101: Makes REQ*[5] Master Z.
100: Makes REQ*[4] Master Z.
011: Makes REQ*[3] Master Z.
010: Makes REQ*[2] Master Z.
001: Makes REQ*[1] Master Z.
000: Makes REQ*[0] Master Z.
16-45
Toshiba RISC Processor
R/W
R/W
⎯
R/W
⎯
R/W
⎯
R/W
⎯
R/W
TX4939
16
16
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