TX4939XBG-400 Toshiba, TX4939XBG-400 Datasheet - Page 77
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
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
TX4939XBG-400
Manufacturer:
NSC
Quantity:
872
Company:
Part Number:
TX4939XBG-400
Manufacturer:
TOSHIBA
Quantity:
10 440
Part Number:
TX4939XBG-400
Manufacturer:
TOSHIBA/东芝
Quantity:
20 000
- Current page: 77 of 740
- Download datasheet (7Mb)
Pin Assignment
3.3. Pin Function
Note:
indicates open drain. The asterisk "*" at the end of a signal name indicates that that signal is an Active Low signal.
3.3.1. System Clock and RESET Signals
3.3.2. DDR SDRAM Interface Signals
Rev. 3.1 November 1, 2005
System Clock and RESET Signals
Signal Name
MSTCLK
MSTCLK2
RESET*
HALTDOZE
IOSRST*
SYSRST*
DDR SDRAM Interface Signals
Signal Name
DRA[13:0]
DRDQ[31:0]
DRDQS[3:0]
DRDM[3:0]
DRCS[1:0]*
DRVref1
DRCKP,
DRCKM
DRCKOUT
DRCKREF
DRBA[1:0]
DRWE*,
DRCAS*,
DRRAS*
DRCKE
In the following table, "PU" in the I/O column indicates the presence of internal pull-up resistance, and "OD"
I/O
Input
Input
Input
Output
Output
Output
I/O
Output
I/O
I/O
Output
Output
Input
Output
Output
Input
Output
Output
Output
Function
Master Clock Input
20 MHz System Clock is required.
data processing.
Master Clock Input2
20 MHz System Clock is required.
UART Baud rate clock and Audio sampling clock. This clock should not be modulated
by external SSCG generator.
Reset
This is system-reset signal.
Halt/Doze Status Output
This signal is asserted (outputs the "H" level) when in either the Halt mode or the Doze
mode.
IO System Reset signal out
This pin is multiplexed with PCICLK[4] and can be used to reset external IO system
reset by software.
System Reset signal out
This pin is multiplexed with PCICLK[3] and can be used to reset whole system or
generate NMI to the CPU.
Function
Address
This address signals are for DDR SDRAM.
Data Bus
This is a 32-bit data bus dedicated for DDR SDRAM
DDR Control Signal for each byte data
DDR Control signal for each byte data
DDR Chip Select
DDR Voltage reference input
Differential DDR Clock Source
Single-end DDR Reference Clock for deskew
DDR Clock deskew reference input
DDR Bank Address
DDR Control Signals
DDR Control Signals
Clock Enable signal
This clock can be modulated by external SSCG generator.
3-5
This clock is used to generate internal clock for
This clock is used to generate internal clock for
Toshiba RISC Processor
TX4939
3
3
Related parts for TX4939XBG-400
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Toshiba Semiconductor [TOSHIBA IGBT Module Silicon N Channel IGBT]
Manufacturer:
TOSHIBA Semiconductor CORPORATION
Datasheet:
Part Number:
Description:
TOSHIBA GTR MODULE SILICON NPN TRIPLE DIFFUSED TYPE
Manufacturer:
TOSHIBA Semiconductor CORPORATION
Datasheet:
Part Number:
Description:
TOSHIBA GTR Module Silicon N Channel IGBT
Manufacturer:
TOSHIBA Semiconductor CORPORATION
Datasheet:
Part Number:
Description:
TOSHIBA Intelligent Power Module Silicon N Channel IGBT
Manufacturer:
TOSHIBA Semiconductor CORPORATION
Datasheet:
Part Number:
Description:
TOSHIBA INTELLIGENT POWER MODULE SILICON N CHANNEL LGBT
Manufacturer:
TOSHIBA Semiconductor CORPORATION
Datasheet:
Part Number:
Description:
TOSHIBA IGBT Module Silicon N Channel IGBT
Manufacturer:
TOSHIBA Semiconductor CORPORATION
Datasheet:
Part Number:
Description:
TOSHIBA GTR MODULE SILICON N−CHANNEL IGBT
Manufacturer:
TOSHIBA Semiconductor CORPORATION
Datasheet:
Part Number:
Description:
TOSHIBA Intelligent Power Module Silicon N Channel IGBT
Manufacturer:
TOSHIBA Semiconductor CORPORATION
Datasheet:
Part Number:
Description:
TOSHIBA GTR Module Silicon N Channel IGBT
Manufacturer:
TOSHIBA Semiconductor CORPORATION
Datasheet:
Part Number:
Description:
TOSHIBA INTELLIGENT POWER MODULE
Manufacturer:
TOSHIBA Semiconductor CORPORATION
Datasheet:
Part Number:
Description:
TOSHIBA Intelligent Power Module Silicon N Channel IGBT
Manufacturer:
TOSHIBA Semiconductor CORPORATION
Datasheet:
Part Number:
Description:
TOSHIBA Intelligent Power Module Silicon N Channel IGBT
Manufacturer:
TOSHIBA Semiconductor CORPORATION
Datasheet:
Part Number:
Description:
TOSHIBA IGBT Module Silicon N Channel IGBT
Manufacturer:
TOSHIBA Semiconductor CORPORATION
Datasheet:
Part Number:
Description:
TOSHIBA Intelligent Power Module Silicon N Channel IGBT
Manufacturer:
TOSHIBA Semiconductor CORPORATION
Datasheet:
Part Number:
Description:
Toshiba Semiconductor [SILICON N CHANNEL 1GBT]
Manufacturer:
TOSHIBA Semiconductor CORPORATION
Datasheet: