TX4939XBG-400 Toshiba, TX4939XBG-400 Datasheet - Page 104
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
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CG
Rev. 3.1 November 1, 2005
Bit Field
31:18
17
16
15:14
13:12
11:8
7:6
5
4:0
FS[1:0]
FS=00
FS=00
FS=01
FS=01
FS=10
FS=10
FS=11
FS=11
Symbol
Reserved
MFRAC
MINTL
Reserved
FS [1:0]
RS [3:0]
IS [1:0]
C2S
ND [4:0]
FS=00, C 2S=H
FS=01, C 2S=H
FS=10, C 2S=H
FS=11, C 2S=H
FS=00, C 2S=L
FS=01, C 2S=L
FS=10, C 2S=L
FS=11, C 2S=L
Hi gh Li m i t
Low Li m i t
Figure 5-6 Frequency Selection related to FS[1:0] and C2S value
C2S=H
C2S=H
C2S=H
C2S=H
Description
Reserved
PLL Configuration (default value : MFRAC = 1, MINTL = 1)
{MFRAC, MINTL} defines PLL Configuration of the Audio Clock Generator.
MFRAC = 0, MINTL = 0: Audio Clock Generator is disabled
MFRAC = 0, MINTL = 1: PLL generates 451.584 MHz with "Integer N PLL" mode (CG=20 MHz)
MFRAC = 1, MINTL = 0: PLL operates simple X10 mode, 22.5792 MHz CG required.
MFRAC = 1, MINTL = 1: PLL generates 451.584 MHz with "Fractional N PLL" mode (CG=20 MHz)
Reserved
PLL frequency range select
This parameter has a relation ship with C2S input. Refer Table 5-11
PLL Low Pass Filter R2 selection
R2 will be the value of 2.4 + RS[3:0] x 1.2 (K ohm)
PLL Charge Pump Current (Ip) select
PLL VCO Performance Select
PLL Multiply factor
Multiplier is the value of ND [4:0] + 1.
C2S=L
C2S=L
C2S=L
C2S=L
10 M Hz
C2S
Table 5-10 Bit Field Definitions of MCLKOSC Register
88 M Hz
39 M Hz
FS=11,
C 2S=L
Table 5-11 Parameter FS[1:0] and C2S
No Output Divider
Output will be divided by 2
Output will be divided by 4
Output will be divided by 8
No Output Divider
Output will be divided by 2
Output will be divided by 4
Output will be divided by 8
125 M Hz
IS[1:0]
2’b00
2’b01
2’b10
2’b11
56 M Hz
FS=11,
C 2S=H
Fr equency Sel ect i on Char t
39 M Hz
175 M Hz
79 M Hz
FS=10,
C 2S=L
56 M Hz
Description
79 M Hz
5-10
88 M Hz
Description
Charge Pump Current will be X3 of 8 uA ( 24uA)
Charge Pump Current will be X2 of 8 uA ( 16uA)
Charge Pump Current will be X1 of 8 uA ( 8uA)
Disable Charge Pump
250 M Hz
113 M Hz
FS=10,
C 2S=H
113 M Hz
125 M Hz
100 M Hz
158 M Hz
175 M Hz
350 M Hz
158 M Hz
FS=01,
C 2S=L
225 M Hz
250 M Hz
500 M Hz
225 M Hz
315 M Hz
FS=01,
C 2S=H
350 M Hz
450 M Hz
Low Limit
450 MHz
315 MHz
225 MHz
158 MHz
113 MHz
500 M Hz
79 MHz
56 MHz
39 MHz
700 M Hz
315 M Hz
FS=00,
C 2S=L
700 M Hz
Toshiba RISC Processor
1, 000 M Hz
1, 000 M Hz
450 M Hz
FS=00,
C 2S=H
1, 000 M Hz
High Limit
1,000 MHz
700 MHz
500 MHz
350 MHz
250 MHz
175 MHz
125 MHz
88 MHz
TX4939
5
5
5
5
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