TX4939XBG-400 Toshiba, TX4939XBG-400 Datasheet - Page 442
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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Manufacturer
Quantity
Price
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PCIC
16.4.60. PDMAC Count Register (PDMCTR)
Rev. 3.1 November 1, 2005
Default
Default
Default
Default
NAME
NAME
NAME
NAME
Bits
63:24
23:2
1:0
TYPE
TYPE
TYPE
TYPE
Mnemonic
PDMCTR
63
47
31
15
62
46
30
14
Field Name
Rsvd
Transfer Byte
Count
Rsvd
61
45
29
13
RESERVED
60
44
28
12
59
43
27
11
Description
PDMAC Transfer Count (Default is undefined)
Sets an uncoded 24-bit transfer byte count in 32-bit word units. Also, the
setting of this register must always be a multiple of the transfer size specified
inside the PDMAC Control Register. No data transfer is performed if a count
of “0” is set.
This byte count value is calculated from the transferred byte size as the
PDMAC performs a DMA transfer.
This register value is held without being affected by a Reset.
Figure 16-71 Count Register
Table 16-73 Count Register
58
42
26
10
PDMCTR[15:2]
57
41
25
Undefined
9
16-78
R/W
RESERVED
RESERVED
56
40
24
8
55
39
23
7
54
38
22
6
53
37
21
5
PDMCTR[23:16]
Undefined
52
36
20
Toshiba RISC Processor
4
R/W
51
35
19
3
50
34
18
2
49
33
17
Reserved
1
R/W
⎯
R/W
⎯
TX4939
48
32
16
0
16
16
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