TX4939XBG-400 Toshiba, TX4939XBG-400 Datasheet - Page 232

• 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

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