TX4939XBG-400 Toshiba, TX4939XBG-400 Datasheet - Page 99
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: 99 of 740
- Download datasheet (7Mb)
CG
Depend on the Source Clock frequency, the Baud Rate Source Clock also varies. The Baud Rate Source Clock is either
14,745,600 Hz or 11,059,200 Hz. Table 5-3 describes the relation between UART Divisor and Baud Rate. In this table,
“UART Divisor” represents the product of prescaler and divisor.
5.3.3. Frequency Error in the Generation of Source Clock out of 20 MHz
Followings are the explanation of the technology of fractional N PLL, which generate 451,584,000 Hz clock (F
Figure 5-4 shows the block diagram of this fractional N PLL.
Rev. 3.1 November 1, 2005
Target =
Actual =
20 MHz
451,584,000 Hz
451,578,947 Hz
14,745,600 Hz
11,059,200 Hz
REF
FBK
PLL
F
F
429
SOURCE
SOURCE
19
Table 5-3 Corresponding Prescaler value for each source clock.
OUT
-11.2 PPM
0 PPM
Figure 5-4 Block Diagram of Fractional N PLL
BAUD RATE
BAUD RATE
921,600 bps
460,800 bps
230,400 bps
921,600 bps
460,800 bps
230,400 bps
115,200 bps
115,200 bps
57,600 bps
38,400 bps
28,800 bps
14,400 bps
57,600 bps
38,400 bps
28,800 bps
14,400 bps
9,600 bps
4,800 bps
2,400 bps
1,200 bps
9,600 bps
4,800 bps
2,400 bps
1,200 bps
600 bps
300 bps
600 bps
300 bps
147
245
10
16
1
8
5-5
Division
Division
1536
3072
1152
2304
192
384
768
N/A
N/A
144
288
576
16
24
32
64
96
12
18
24
48
72
1
2
4
8
3
6
Target
Actual
Target
Actual
Target
Actual
(=88.199 KHz x 512)
(=95.999 KHz x 512)
(=921.590 KHz x 16)
(=88.2 KHz x 512)
(=96.0 KHz x 512)
(=921.6 KHz x 16)
Pre-scalar
Bypass pre-scalar and divider
Pre-scalar
45,158,400 Hz
45,157,895 Hz
49,152,000 Hz
49,151,450 Hz
14,745,600 Hz
14,745,435 Hz
1/32
1/32
N/A
N/A
N/A
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/8
1/8
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/8
1/8
Toshiba RISC Processor
Divisor
Divisor
192
192
N/A
N/A
N/A
144
144
12
16
32
48
96
96
96
12
24
36
72
72
72
1
2
4
8
3
6
9
n: numerator
d: denominator
Multiply-Divider
= multiplier
= divider
LEGEND
Digital
n
d
SOURCE
TX4939
).
5
5
5
5
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: