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參數(shù)資料
| 型號： | TMX320C6414TGLZ |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 數(shù)字信號處理 |
| 英文描述： | FIXED-POINT DIGITAL SIGNAL PROCESSORS |
| 中文描述： | 定點數(shù)字信號處理器 |
| 文件頁數(shù)： | 53/140頁 |
| 文件大?。?/td> | 2033K |
| 代理商： | TMX320C6414TGLZ |
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SPRS226H NOVEMBER 2003 REVISED AUGUST 2005
53
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
Terminal Functions (Continued)
SIGNAL
TYPE
IPD/
IPU
DESCRIPTION
NAME
NO.
UNIVERSAL TEST AND OPERATIONS PHY INTERFACE FOR ASYNCHRONOUS TRANSFER MODE (ATM) [UTOPIA SLAVE]
[C6415T and C6416T devices only]
UTOPIA SLAVE (ATM CONTROLLER) TRANSMIT INTERFACE
UXCLK
AD11
I
Source clock for UTOPIA transmit driven by Master ATM Controller.
When the UTOPIA peripheral is disabled (UTOPIA_EN [BEA11 pin] = 0), this pin is tied-off.
UXCLAV
AC14
O/Z
Transmit cell available status output signal from UTOPIA Slave.
0
indicates a complete cell is NOT available for transmit
1
indicates a complete cell is available for transmit
When the UTOPIA peripheral is disabled (UTOPIA_EN [BEA11 pin] = 0), this pin is tied-off.
UXENB
AE15
I
UTOPIA transmit interface enable input signal. Asserted by the Master ATM Controller to indi-
cate that the UTOPIA Slave should put out on the Transmit Data Bus the first byte of valid data
and the UXSOC signal in the next clock cycle.
When the UTOPIA peripheral is disabled (UTOPIA_EN [BEA11 pin] = 0), this pin is tied-off.
UXSOC
AC13
O/Z
Transmit Start-of-Cell signal. This signal is output by the UTOPIA Slave on the rising edge of
the UXCLK, indicating that the first valid byte of the cell is available on the 8-bit Transmit Data
Bus (UXDATA[7:0]).
When the UTOPIA peripheral is disabled (UTOPIA_EN [BEA11 pin] = 0), this pin is tied-off.
DX1/
UXADDR4§
AB11
I/O/Z
McBSP1 [default] or UTOPIA transmit address pins
As UTOPIA transmit address pins UXADDR[4:0] (
I
), UTOPIA_EN (BEA11 pin) = 1:
5-bit Slave transmit address input pins driven by the Master ATM Controller to identify and
select one of the Slave devices (up to 31 possible) in the ATM System.
UXADDR0 pin is tied off when the UTOPIA peripheral is disabled [UTOPIA_EN
(BEA11 pin) = 0]
For the McBSP1 pin functions (UTOPIA_EN (BEA11 pin) = 0 [default]), see the MULTICHAN-
NEL BUFFERED SERIAL PORT 1 (McBSP1) section of this table.
FSX1/
UXADDR3§
AB13
I/O/Z
McBSP1 [default] or UTOPIA transmit address pins
As UTOPIA transmit address pins UXADDR[4:0] (
I
), UTOPIA_EN (BEA11 pin) = 1:
5-bit Slave transmit address input pins driven by the Master ATM Controller to identify and
select one of the Slave devices (up to 31 possible) in the ATM System.
FSR1/
UXADDR2§
AC9
I/O/Z
DR1/
UXADDR1§
AF11
I
UXADDR0 pin is tied off when the UTOPIA peripheral is disabled [UTOPIA_EN
(BEA11 pin) = 0]
UXADDR0
AE9
I
For the McBSP1 pin functions (UTOPIA_EN (BEA11 pin) = 0 [default]), see the MULTICHAN-
NEL BUFFERED SERIAL PORT 1 (McBSP1) section of this table.
I = Input, O = Output, Z = High impedance, S = Supply voltage, GND = Ground
IPD = Internal pulldown, IPU = Internal pullup. (These IPD/IPU signal pins feature a 30-k
IPD or IPU resistor. To pull up a signal to the opposite
supply rail, a 1-k
resistor should be used.)
§For the C6415T and C6416T devices, these pins are multiplexed pins. For more details, see the Device Configurations section of this data sheet.
The C6414T device does
not
support the PCI or UTOPIA peripherals; therefore, these muxed peripheral pins are standalone peripheral functions
for this device.
For the C6415T and C6416T devices, external pulldowns required:
If
UTOPIA is selected (BEA11 = 1)
and
these pins are connected to other
devices, then a 10-k
resistor must be used to
externally
pull down each of these pins. If these pins are “no connects”, then only UXCLK and
URCLK need to be pulled down and other pulldowns are not necessary.
For the C6415T and C6416T devices, external pullups required:
If
UTOPIA is selected (BEA11 = 1)
and
these pins are connected to other devices,
then a 10-k
resistor must be used to
externally
pull up each of these pins. If these pins are “no connects”, then the pullups are not necessary.
Ψ
The C6414T device does not support the UTOPIA peripheral; therefore, these standalone UTOPIA pins are
Reserved
(leave unconnected,
do
not
connect to power or ground) with the exception of UXCLK and URCLK which should be connected to a 10-k
pulldown resistor (see the
square [ ] footnote).
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