TX4939XBG-400 Toshiba, TX4939XBG-400 Datasheet - Page 66

• Manufacturer Part Number: TX4939XBG-400
• Manufacturer: Toshiba

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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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
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Toshiba RISC Processor
TX4939
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