TX4939XBG-400 Toshiba, TX4939XBG-400 Datasheet - Page 356
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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DDR
DDR_CTL_24 = 0x80C0
DDR_CTL_25 = 0x80C8
DDR_CTL_26 = 0x80D0
DDR_CTL_27 = 0x80D8
DDR_CTL_28 = 0x80E0
DDR_CTL_29 = 0x80E8
DDR_CTL_30 = 0x80F0
Rev. 3.1 November 1, 2005
Name
-
-
-
-
Name
-
-
-
-
Name
-
-
Name
VERSION
Name
TREF
-
Name
TRAS_MAX
Name
TINIT
Bits
11:0
15:12
Bits
15:0
Bits
15:0
Bits
6:0
7
14:8
15
Bits
6:0
7
14:8
15
Bits
6:0
15:7
Bits
15:0
Default
-
-
-
-
Default
-
-
-
-
Default
-
-
Default
0x2031
Default
0x000
-
Default
0x0000
Default
0x0000
Range
-
-
-
-
Range
-
-
-
-
Range
-
-
Range
0x2031
Range
0x0-0xfff
-
Range
0x0-0xffff
Range
0x0-0xffff
15-26
Description
Reserved
Reserved
Reserved
Reserved
Description
Reserved
Reserved
Reserved
Reserved
Description
Reserved
Reserved
Description
Controller version number
DDR version number of the controller.
READONLY
Description
DRAM TREF parameter in cycles.
Cycles between refresh commands.
Reserved
Description
DRAM TRAS_MAX parameter in cycles.
Maximum Row active time in cycles
Description
DRAM TINIT parameter in cycles.
Initialization time for DDR SDRAM in cycles
Toshiba RISC Processor
TX4939
15
15
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