TX4939XBG-400 Toshiba, TX4939XBG-400 Datasheet - Page 66
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
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Price
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NSC
Quantity:
872
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2.2. TX49/H4 Core Features
The TX49/H4 core is a high-performance, low power consumption 64-bit RISC CPU core developed by Toshiba. This core
has the following features.
Rev. 3.1 November 1, 2005
64-bit Operation
32/64-bit Integer General-purpose Registers
64-GB Physical Address Space
Optimized 5-stage Pipeline
Instruction Set
32-KB Instruction Cache, 32-KB Byte Data Cache
MMU (Memory Management Unit)
On-chip IEEE754-compliant Single and Double Precision FPU
4-stage Write Buffer
Debugging Support EJTAG (Enhanced JTAG)
Debugging Module (DSM)
Upwards Compatible with MIPS III ISA
Added 3-operand multiply instruction, MAC (Multiply Accumulate) instruction,
PREF (pre- fetch) instruction.
4-way Set Associative, Lock Function Support
48-double-entry (odd/even) Joint TLB
2-2
Toshiba RISC Processor
TX4939
2
2
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