TX4939XBG-400 Toshiba, TX4939XBG-400 Datasheet - Page 220

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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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Part Number
Manufacturer
Quantity
Price
Part Number:
TX4939XBG-400
Manufacturer:
NSC
Quantity:
872
Part Number:
TX4939XBG-400
Manufacturer:
TOSHIBA
Quantity:
10 440
Part Number:
TX4939XBG-400
Manufacturer:
XILINX
0
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Manufacturer:
TOSHIBA/东芝
Quantity:
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EBC
Rev. 3.1 November 1, 2005
ACK*/READY
ACK*/READY
SADB [15:0]
SADB [15:0]
AD [21:6]
AD [21:6]
SYSCLK
SYSCLK
SA [5:0]
SA [5:0]
INPUT
INPUT
SWE*
BWE*
SWE*
BWE*
ACE*
ACE*
OE*
OE*
CE*
CE*
BE*
BE*
0
0
Figure 9-35 Half-word Single Read (0 Wait, SHWT=2, External ACK*, 16-bit Bus)
1
1
Figure 9-34 Word Single Write (1 Wait, SHWT=2, External ACK*, 16-bit Bus)
F
F
AS1
AS1
Note: TX4939 drives the ACK* signal when in the AH2, AS1, or AS2 State.
2
2
Half-Word Single Read (0 Wait, SHWT=2, External ACK*, 16-bit Bus)
F
AS2
AS2
3
3
Word Single Write (1 Wait, SHWT=2, External ACK*, 16-bit Bus)
CS1 CS2 SW1 ES1 ES2 ES3 S2 CH1 CH2 AH1 AH2 AS1 AS2 CS1 CS2 SW1 ES1 ES2 ES3
CS1 CS2 S1 ES1 ES2 S2 CH1 CH2 AH1 AH2 AS1 AS2 CS1 CS2 S1 ES1 ES2
4
4
5
5
6
6
data 0
7
7
0
0
8
8
0
0
0
9
9
10
10
11 12 13 14 15 16 17 18
11 12 13 14 15 16 17 18
F
F
F
F
9-30
data 1
19
19
valid
valid
0
20 21 22 23 24 25 26 27 28 29
20 21 22 23 24 25 26 27 28 29
1
S2
0
0
1
CH1 CH2 AH1
S2
CH1 CH2 AH1
AH2
AH2
Toshiba RISC Processor
30 31 32 33 34 35 36 37 38 39 40
30 31 32 33 34 35 36 37 38 39 40
F
F
F
F
TX4939
Rev 2.12
Rev 2.12
9
9

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