TX4939XBG-400 Toshiba, TX4939XBG-400 Datasheet - Page 216

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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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Manufacturer
Quantity
Price
Part Number:
TX4939XBG-400
Manufacturer:
NSC
Quantity:
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Part Number:
TX4939XBG-400
Manufacturer:
TOSHIBA
Quantity:
10 440
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Manufacturer:
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0
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Manufacturer:
TOSHIBA/东芝
Quantity:
20 000
EBC
9.4.6.
Rev. 3.1 November 1, 2005
ACK*/READY
ACK*/READY
SADB [15:0]
SADB [15:0]
OUTPUT
OUTPUT
AD [21:6]
AD [21:6]
SYSCLK
SYSCLK
SA [5:0]
SA [5:0]
SWE*
BWE*
SWE*
BWE*
ACE*
ACE*
OE*
OE*
Page Mode Access (Burst, 16-bit Bus)
CE*
CE*
BE*
BE*
(For 1/3 clock speed – SP=01, SADB setup time to assertion of SWE is ½ SYSCLK)
F
F
0
0
Figure 9-28 4-word Burst Write (WT=1, PWT=0, SHWT=0, 4-page, 16-bit Bus)
Figure 9-29 2-word Burst Read (WT=2, PWT=1, SHWT=0, 4-page, 16-bit Bus)
F
2-Word Burst Read (PWT:WT=2, PWT=1, SHWT=0, 4-Page, 16-bit Bus)
4-Word Burst Write (PWT:WT=1, SHWT=0, Normal, 4-Page, 16-bit Bus)
S1
S1
1
1
SW1
SW1
2
2
data 0
0
0
0
SW2
S2
3
3
S3
S2
4
4
C
F
S1
S1
5
5
data 1
PW1
S2
6
6
1
0
1
S3
S2
7
7
C
9-26
F
S1
S1
8
8
data 2
F
PW1
S2
9
9
0
2
2
S3
10
S2
10
F
S1
11
S1
11
data 3
PW1
S2
12
12
3
0
3
S3
S2
13
13
C
F
S1
14
S3
14
Toshiba RISC Processor
data 4
4
SW1
15
15
0
S1
16
16
F
data F
S2
17
17
F
0
F
S3
18
18
TX4939
19
19
F
F
Rev 2.12
Rev 2.12
F
9
9

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