TX4939XBG-400 Toshiba, TX4939XBG-400 Datasheet - Page 327

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TX4939XBG-400

Manufacturer Part Number
TX4939XBG-400
Description
Manufacturer
Toshiba
Datasheet

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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DMA
14.5.2. External I/O Device – SRAM Dual Address Transfer
Rev. 3.1 November 1, 2005
SDCLK/SYSCLK
DMADONE*
ADDR [19:0]
DMAREQ[n]
SADB [15:0]
DMAACK[n]
SWE*
BWE*
ACK*
ACE*
OE*
CS*
CE*
Figure 14-21 Dual Address Transfer from External I/O Device to SRAM
V
(2-word Burst Transfer to 16-bit SRAM)
X
Dual Address Transfer from External I/O Device to SRAM
V
X
(2 word Transfer to 16 bit SRAM)
V
14-39
X
V
f
Toshiba RISC Processor
Valid
V
V
V
TX4939
14
14

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