TX4939XBG-400 Toshiba, TX4939XBG-400 Datasheet - Page 328

• 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

DMA
14.5.3. External I/O Device (Non-burst) – Memory Dual Address Transfer
Rev. 3.1 November 1, 2005
Figure 14-22 Dual Address Transfer from External I/O Device (Non-Burst) to Memory
SDCLK/SYSCLK
OE*/ BUSSPRT*
DMADONE*
DMAREQ[n]
ADDR[19:0]
DMAACK[n]
DATA[15:0]
DQM[7:0]
SWE*
ACK*
ACE*
CS*
CE*
CKE
Dual Address Transfer from External I/O Device (Non-Burst) to Memory
(2-word Burst Transfer to 16-bit SRAM: Set DMCCRn.SBINH to “1”)
V
V
14-40
ff
V
V
Toshiba RISC Processor
Valid
f0
V
V
V
ff
TX4939
14
14