TX4939XBG-400 Toshiba, TX4939XBG-400 Datasheet - Page 253
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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Video Port
12.1. Feature
The video port controller(VPC) in TX4939 can be configured to support either 3 serial ports, or 1 parallel 8-bit port with 1
serial port. In the 3 serial port configuration, only one serial port can be configured as input or output while the other two
serial ports are input only.
output. Input mode supports receiving / storing externally digital video to DRAM. Output mode supports reading / sending
DRAM data to external device.
Rev. 3.1 November 1, 2005
Dedicated DMA with chain mode
configurable to 3 serial ports, or 1 parallel 8-bit port with 1 serial port
3 serial ports configuration
□ one serial port can be programmed to be input or output port
□ the other two serial ports are input only
8-bit parallel port and 1 serial port configuration
□ Programmable to be input or output port
Support ITU-Bt.656 interface or EN50083-9’s Synchronous serial and parallel interface
In the 1 parallel port with 1 serial port configuration, both ports can be configured as input or
12-1
Chapter 12. Video Port
Toshiba RISC Processor
TX4939
12
12
12
12
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