TX4939XBG-400 Toshiba, TX4939XBG-400 Datasheet - Page 710

• 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

Electrical
27.2. JTAG Boundary Scan Test
27.2.1. JTAG Controller and Register
The Extended EJTAG Interface contains a JTAG Controller (TAP Controller) and a Control Register. This section explains
only those portions that are unique to the TX4939. Please refer to the TX49/H4 Core Architecture Manual for all other portion
not covered here. Please contact your local Toshiba Sales representative for more information regarding the required BSD
files when performing the JTAG Boundary Scan Test.
Rev. 3.1 November 1, 2005
Instruction Register (Refer to 27.2.2)
Data Register
□ Boundary Scan Register (Refer to 27.2.3)
□ Bypass Register
□ Device ID Register (Refer to 27.2.4)
□ JTAG Address Register
□ JTAG Data Register
□ JTAG Control Register
□ EJTAG Mount Register
Test Access Port Controller (TAP Controller)
27-2
Toshiba RISC Processor
TX4939
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