TX4939XBG-400 Toshiba, TX4939XBG-400 Datasheet - Page 624
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
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
TX4939XBG-400
Manufacturer:
NSC
Quantity:
872
Company:
Part Number:
TX4939XBG-400
Manufacturer:
TOSHIBA
Quantity:
10 440
Part Number:
TX4939XBG-400
Manufacturer:
TOSHIBA/东芝
Quantity:
20 000
- Current page: 624 of 740
- Download datasheet (7Mb)
I2C
22.9.2. Example 2 (Byte Mode)
Read a byte of data from an I2C memory device.
Slave address = 0x4E
Memory location to read from = 0x20
I2C sequence:
Commands:
Rev. 3.1 November 1, 2005
SCL
SDA
SCL
SDA
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10) write no acknowledge (NACK) to slave, indicating end of transfer
(11) generate stop signal
(1)
(2)
(3)
(4)
generate start signal
write slave address + write bit
receive acknowledge from slave
write memory location
receive acknowledge from slave
generate repeated start signal
write slave address + read bit
receive acknowledge from slave
read byte from slave
write 0x9C (address + write bit) to Transmit Register, set STA bit, set WR bit.
read I2C_ASTS (ACK) bit from Control/Status Register, should be ‘0’.
write 0x20 to Transmit register, set WR bit.
read I2C_ASTS (ACK) bit from Control/Status Register, should be ‘0’.
write 0x9D (address + read bit) to Transmit Register, set STA bit, set WR bit.
set RD bit, set ACK to ‘1’ (NACK), set STO bit
R
S
-- wait for interrupt or I2C_DSTS (done) flag to negate --
-- wait for interrupt or I2C_DSTS (done) flag to negate --
-- wait for interrupt or I2C_DSTS (done) flag to negate --
-- wait for interrupt or I2C_DSTS (done) flag to negate --
Third Command
First Command
Figure 22-8 Byte Mode
22-14
Wr ack
Rd
ack
D7 D6 D5 D4 D3 D2 D1 D0
Second Command
Forth Command
Toshiba RISC Processor
nack
ack
P
TX4939
22
22
Related parts for TX4939XBG-400
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Toshiba Semiconductor [TOSHIBA IGBT Module Silicon N Channel IGBT]
Manufacturer:
TOSHIBA Semiconductor CORPORATION
Datasheet:
Part Number:
Description:
TOSHIBA GTR MODULE SILICON NPN TRIPLE DIFFUSED TYPE
Manufacturer:
TOSHIBA Semiconductor CORPORATION
Datasheet:
Part Number:
Description:
TOSHIBA GTR Module Silicon N Channel IGBT
Manufacturer:
TOSHIBA Semiconductor CORPORATION
Datasheet:
Part Number:
Description:
TOSHIBA Intelligent Power Module Silicon N Channel IGBT
Manufacturer:
TOSHIBA Semiconductor CORPORATION
Datasheet:
Part Number:
Description:
TOSHIBA INTELLIGENT POWER MODULE SILICON N CHANNEL LGBT
Manufacturer:
TOSHIBA Semiconductor CORPORATION
Datasheet:
Part Number:
Description:
TOSHIBA IGBT Module Silicon N Channel IGBT
Manufacturer:
TOSHIBA Semiconductor CORPORATION
Datasheet:
Part Number:
Description:
TOSHIBA GTR MODULE SILICON N−CHANNEL IGBT
Manufacturer:
TOSHIBA Semiconductor CORPORATION
Datasheet:
Part Number:
Description:
TOSHIBA Intelligent Power Module Silicon N Channel IGBT
Manufacturer:
TOSHIBA Semiconductor CORPORATION
Datasheet:
Part Number:
Description:
TOSHIBA GTR Module Silicon N Channel IGBT
Manufacturer:
TOSHIBA Semiconductor CORPORATION
Datasheet:
Part Number:
Description:
TOSHIBA INTELLIGENT POWER MODULE
Manufacturer:
TOSHIBA Semiconductor CORPORATION
Datasheet:
Part Number:
Description:
TOSHIBA Intelligent Power Module Silicon N Channel IGBT
Manufacturer:
TOSHIBA Semiconductor CORPORATION
Datasheet:
Part Number:
Description:
TOSHIBA Intelligent Power Module Silicon N Channel IGBT
Manufacturer:
TOSHIBA Semiconductor CORPORATION
Datasheet:
Part Number:
Description:
TOSHIBA IGBT Module Silicon N Channel IGBT
Manufacturer:
TOSHIBA Semiconductor CORPORATION
Datasheet:
Part Number:
Description:
TOSHIBA Intelligent Power Module Silicon N Channel IGBT
Manufacturer:
TOSHIBA Semiconductor CORPORATION
Datasheet:
Part Number:
Description:
Toshiba Semiconductor [SILICON N CHANNEL 1GBT]
Manufacturer:
TOSHIBA Semiconductor CORPORATION
Datasheet: