TX4939XBG-400 Toshiba, TX4939XBG-400 Datasheet - Page 232
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
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Part Number
Manufacturer
Quantity
Price
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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: 232 of 740
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NDFMC
10.3.7. Read ID
Rev. 3.1 November 1, 2005
Read ID (8-bit Bus, Program Mode)
////////////////////////////////////////////
// Read ID Sequence
////////////////////////////////////////////
$NDFMCR = ND_CE|ND_CH0|ND_CLE;
$NDFDTR = NDC_READID;
$NDFMCR = ND_CE|ND_CH0|ND_ALE;
$NDFDTR = 0x00;
$NDFMCR = ND_CE|ND_CH0;
$NDFDTR = 0x0000;
MakerCode = $NDFDTR;
DeviceCode = $NDFDTR
$NDFMCR = 0x0000 ;
$NDFDTR = 0x0000;
$NDFMCR = 0x00;
//
10-8
// Select CH#0 and assert the ND_CLE*
// Write 0x90 (ID Read command).
// Assert the ND_ALE* for Address Mode.
// Write 0x00 for ID Address.
// De-assert ND_ALE.
// UPDATE
// Read the maker code.
// Read the device code.
// Prepare Release
// UPDATE
// Release NAND
Toshiba RISC Processor
TX4939
10
10
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