TX4939XBG-400 Toshiba, TX4939XBG-400 Datasheet - Page 82

• 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

Pin Assignment
3.3.13. I2S Interface 5.1 channel mode
3.3.14. I2C Interface
3.3.15. SPI Interface
3.3.16. RTC Interface
Rev. 3.1 November 1, 2005
Note Since All Signals can be used as GPIO, only bidirectional IO is used.
I2S Interface
Signal Name
I2S_WS
I2S_SCK
I2S_SD0
I2S_SD1
I2S_SD2
I2C Interface
Signal Name
I2C_CLK
I2C_DO
I2C Interface
Signal Name
SPICLK
SPIOUT
SPIIN
SPICS0
RTC Interface
Signal Name
RTCVDD
VDDR
ALARM*
X32IN
X32OUT
Note:
All RTC signals and RTCVDD are required independent Voltage from the system.
I/O
I/O
I/O
I/O
PD
I/O
I/O
PD
I/O
O
I/O
I/O
I/O, PU
I/O, PU
I/O, PU
I/O, PU
I/O
Input
Output
Output
Open Drain
Input
Output
Function
Word Select
Bit Clock
Channel 0 Data
Channel 1 Data
Channel 2 Data
Function
Bit Clock
Data
Function
Bit Clock (output)
Data Out
Data In
SPI Chip Select (output)
Function
Power Supply for RTC module.
Regulated Power Supply for RTC logic
Alarm output.
External pull-up should not be higher than RTCVDD voltage.
32KHz Crystal Input
This is connected with 32Khz crystal.
32KHz Crystal Output
This is connected with 32Khz crystal.
Open drain low active signal
3-10
2.7 V to 3.3 V
Toshiba RISC Processor
TX4939
3
3