TX4939XBG-400 Toshiba, TX4939XBG-400 Datasheet - Page 729

• 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
28.4.6. AC-link Interface AC characteristics
Rev. 3.1 November 1, 2005
BITCLK High Time
BITCLK Low Time
SYNC Output Delay Time
SDOUT Output Delay Time
SDIN[1:0] Input Setup Time
SDIN[1:0] Input Hold Time
BITCLK
SDOUT
(Tc = 0 - 85°C, VDD33 = 3.3 V ± 0.2 V, VDD25 = 2.5 V ± 0.2 V, VDDC = 1.25 V ± 0.062 V, VSS = 0 V)
SYNC
SDIN
Item
t
HIGH_BCLK
Figure 28-13 Timing Diagram: AC-link Interface
t
t
t
t
t
t
HIGH_BCLK
LOW_BCLK
VAL_SYNC
VAL_SDOUT
SU_DSIN
HO_DSIN
Symbol
AC-Link Interface Timing Diagram
t
VAL_SDOUT
t
VAL_SYNC
BITCLK reference, CL = 55 pF
BITCLK reference, CL = 55 pF
BITCLK reference
BITCLK reference
t
28-13
SU_SDIN
Condition
t
HO_SDIN
Toshiba RISC Processor
Min.
t
36
36
⎯
⎯
10
10
VAL_SYNC
Max.
45
45
15
15
⎯
⎯
t
LOW_BCLK
Unit
ns
ns
ns
ns
ns
ns
TX4939
28
28