TX4939XBG-400 Toshiba, TX4939XBG-400 Datasheet - Page 728

• 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

Electrical
Rev. 3.1 November 1, 2005
PCICLK[n]
PCICLKIN
INPUT
Other than
PCICLK [n]
Vcc = 3.3 V
OUTPUT
n = 0-6
0.6 x Vcc
0.5 x Vcc
0.4 x Vcc
0.3 x Vcc
0.2 x Vcc
0.6 x Vcc
0.5 x Vcc
0.4 x Vcc
0.3 x Vcc
0.2 x Vcc
T
T
T
T
SU66
SU33
PPS66
PPS33
inputs valid
T
SKW
T
T
T
T
T
T
T
T
VAL66
VAL33
PPD66
PPD33
P66
P33
PPH66
PPH33
Figure 28-11 PCI Interface (3.3 V)
T
T
HIGH66 /
HIGH66 /
Figure 28-12 PCI Clock Skew
PCI Interface (3.3 V)
PCI Clock Skew
T
T
HIGH33
HIGH33
28-12
output valid
T
T
CYC66 /
CYC66 /
T
T
CYC33
CYC33
T
T
LOW66 /
LOW66 /
T
T
LOW33
LOW33
Toshiba RISC Processor
0.4 x Vcc
Peak-to-Peak
(minimum)
0.4 x Vcc
Peak-to-Peak
(minimum)
T
T
T
T
SLEW66
SLEW33
SLEW66
SLEW33
TX4939
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