TX4939XBG-400 Toshiba, TX4939XBG-400 Datasheet - Page 710
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
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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
27
27
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