TX4939XBG-400 Toshiba, TX4939XBG-400 Datasheet - Page 367

• 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

PCIC
16.2. Block Diagram
Rev. 3.1 November 1, 2005
G-Bus
PCI Controller
PCI-Bus
PCI Core
TX49 CPU
(64 bit x 16)
(64 bit x 4)
PCI Device
Register
Target
Write
(64 bit x 16)
Target
Read
Memory Controller
Figure 16-1 PCI Controller Block Diagram
PCI Device
(64 bit x 16)
Target Control
(PCI → G-Bus)
Master
Read
16-3
(64 bit x 16)
Master
PCI Device
Write
DMA Controller
Master Control
(G-Bus → PCI)
G-Bus I/F
Register
x 4
Toshiba RISC Processor
PCI Device
(64 bit x 4)
G-Bus Arbiter
PDMAC
EBUSC
Config.
Arbiter
Arbiter
PCI
Retry
TX4939
16
16