TX4939XBG-400 Toshiba, TX4939XBG-400 Datasheet - Page 469

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TX4939XBG-400

Manufacturer Part Number
TX4939XBG-400
Description
Manufacturer
Toshiba
Datasheet

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

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ATA100
17.3.3.7. Data Register ATA Shadow (000h)
You can use this register when reading/writing to Data Register of the device. Access to the device ATA Register begins
when TX4939 accesses this register.
The following signals correspond to the following register addresses: CS0N → 0, CS1N → 1, HA[2:0] → 0h.
17.3.3.8. Error/Feature Register ATA Shadow (001h)
You can use this register when reading the Error Register or writing to the device Features Register of the device. Access to
the device ATA Register begins when TX4939 accesses this register.
The following signals correspond to the following register addresses: CS0N → 0, CS1N → 1, HA[2:0] → 1h
17.3.3.9. Sector Count Register ATA Shadow (002h)
You can use this register when reading/writing to Sector Count Register of the device. Access to the device ATA Register
begins when TX4939 accesses this register.
The following signals correspond to the following register addresses: CS0N → 0, CS1N → 1, HA[2:0] → 2h
17.3.3.10. LBA Low Register ATA Shadow (003h)
You can use this register when reading/writing to LBA Low Register of the device. Access to the device ATA Register begins
when TX4939 accesses this register.
The following signals correspond to the following register addresses: CS0N → 0, CS1N → 1, HA[2:0] → 3h.
17.3.3.11. LBA Mid Register ATA Shadow (004h)
Rev. 3.1 November 1, 2005
Bit 15
Bit 7
Bit 7
Bit 7
Bit 7
R/W
R/W
R/W
R/W
R/W
0
0
0
0
0
Bit 14
Bit 6
Bit 6
Bit 6
Bit 6
R/W
R/W
R/W
R/W
R/W
0
0
0
0
0
Figure 17-13 Error/Feature Register ATA Shadow
Figure 17-14 Sector Count Register ATA Shadow
Bit 13
Bit 5
Bit 5
Bit 5
Bit 5
Figure 17-15 LBA Low Register ATA Shadow
R/W
R/W
R/W
R/W
R/W
0
0
0
0
0
Figure 17-12 Data Register ATA Shadow
Bit 12
Error/Feature Register
Sector Count Register
Bit 4
Bit 4
Bit 4
Bit 4
R/W
R/W
R/W
R/W
R/W
LBA Low Register
0
0
0
0
0
DATA Register
DATA Register
17-15
Bit 11
Bit 3
Bit 3
Bit 3
Bit 3
R/W
R/W
R/W
R/W
R/W
0
0
0
0
0
Bit 10
Bit 2
Bit 2
Bit 2
Bit 2
R/W
R/W
R/W
R/W
R/W
0
0
0
0
0
Toshiba RISC Processor
Bit 9
Bit 1
Bit 1
Bit 1
Bit 1
R/W
R/W
R/W
R/W
R/W
0
0
0
0
0
Bit 8
Bit 0
Bit 0
Bit 0
Bit 0
R/W
R/W
R/W
R/W
R/W
0
0
0
0
0
TX4939
17
17

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