TX4939XBG-400 Toshiba, TX4939XBG-400 Datasheet - Page 97
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
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Part Number
Manufacturer
Quantity
Price
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NSC
Quantity:
872
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TX4939XBG-400
Manufacturer:
TOSHIBA
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Part Number:
TX4939XBG-400
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20 000
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CG
5.3. Audio Clock Generator
5.3.1. Features
Audio Clock Generator (MCLK) generates multiple clocks for audio subsystem like I2S and optional baud rate clock.
Diagram below shows the overall structure of the TX4939 Audio Clock Generator.
Rev. 3.1 November 1, 2005
Rev 1.04 5/17/2005
BPSPLL
22.5792 MHz
or
MFRAC
MINTL
20.0 MHz
Register
PLL_FN
from
MCLK
mdgen_19_429
FN
C2S
RS[3:0]
IS[1:0]
FS[1:0]
ND[4:0]
DIV19
NDRST
PLL3M32K
DIVOUT
MDOUT
BP
1
0
1
0
BAUD for UART
CLK4MHZ
CN
CK
(to PLL#3.FN)
Figure 5-3 Diagram of Audio Clock Generator
PLL_FN
MCLK
MCLK
mdgen_32_147
mdgen_16_245
5-3
451.584 MHz
(11.19PPM error)
DIV10
MDOUT
MDOUT
DIV2
MCLKA
MCLKB
DIV12
DIV24
DIV2
DIV2
DIV4
DIV6
DIV8
14.7456 MHz
(921.6 Kbps)
45.1584 MHz
(88.2 KHz)
22.5792 MHz
(44.1 KHz)
49.1520 MHz
(96.0 KHz)
24.576 MHz
(48.0 KHz)
16.384 MHz
(32.0 KHz)
12.288 MHz
(24.0 KHz)
8.192 MHz
(16.0 KHz)
4.096 MHz
(8.0 KHz)
Toshiba RISC Processor
MUX
MUX
I2S IP
MUX
MUX
TX4939
5
5
5
5
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