. GENERAL DESCRIPTION
The TX9956C is a 64-bit RISC (Reduced Instruction Set Computer) microprocessor that is a low-cost, low-power microprocessor developed for interactive consumer applications including set-top terminals, LBP(Laser Beam Printer), and video games.

. FEATURES
- True 64-bit microprocessor, with TX99/H4 core.
- 7-stage super-scalar pipeline
- 64bit System Address/Data bus (support 32bit bus mode)
- Single or double-precision Floating-Point Operation
- 36-bit physical address space and 64-bit virtual address space.
- 64-bit SysAD bus interface with R5000 compatible protocol
- On-chip 32-Kbyte Instruction Cache, 32-Kbyte Data Cache and 256KB Level 2 Cache.
- Low power consumption
3.3V or 2.5V / 1.25V Dual power supply (I/O:3.3V or 2.5V, Internal:1.25V)
power management mode
- Memory management unit
contains 48-double entry JTLB, and 8-entry Data TLB
- Software compatibility with all MIPS processors
MIPS64 Instruction Set Architecture (ISA) and MIPS-3D ASE
- EJTAG (Enhanced JTAG) debug support
- Maximum operating frequency
Internal: 533 to 600MHz External:133Hz
- Package : 272-pin PBGA with 16-pin thermal balls, 27mm x 27mm, 1.27mm pitch