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): 45/140頁
文件大?。?/td> 2033K
代理商: TMX320C6414TGLZ
SPRS226H NOVEMBER 2003 REVISED AUGUST 2005
45
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
Terminal Functions (Continued)
SIGNAL
TYPE
IPD/
IPU
DESCRIPTION
NAME
NO.
HOST-PORT INTERFACE (HPI) [C64x] or PERIPHERAL COMPONENT INTERCONNECT (PCI) [C6415T or C6416T devices only]
(CONTINUED)
PCBE0
W3
I/O/Z
PCI command/byte enable 0 (
I/O/Z
). When PCI is disabled (PCI_EN = 0), this pin is tied-off.
For the C6414T device this pin is “Reserved (leave unconnected,
do not
connect to power or
ground).”
XSP_CS
AD1
O
IPD
PCI serial interface chip select (
O
). When PCI is disabled (PCI_EN = 0), this pin is tied-off.
For the C6414T device this pin is “Reserved (leave unconnected,
do not
connect to power or
ground).”
CLKX2/
XSP_CLK§
AC2
I/O/Z
IPD
McBSP2 transmit clock (
I/O/Z
) [default] or PCI serial interface clock (
O
).
DR2/XSP_DI§
AB3
I
IPU
McBSP2 receive data (
I
) [default] or PCI serial interface data in (
I
). In PCI mode, this pin is
connected to the output data pin of the serial PROM.
DX2/XSP_DO§
AA2
O/Z
IPU
McBSP2 transmit data (
O/Z
) [default] or PCI serial interface data out (
O
). In PCI mode, this pin
is connected to the input data pin of the serial PROM.
GP15/PRST§
GP14/PCLK§
GP13/PINTA§
GP12/PGNT§
GP11/PREQ§
GP10/PCBE3§
GP9/PIDSEL§
G3
General-purpose input/output (GPIO) 15 pin (
I/O/Z
) or PCI reset (
I
). No function at default.
GPIO 14 pin (
I/O/Z
) or PCI clock (
I
). No function at default.
GPIO 13 pin (
I/O/Z
) or PCI interrupt A (
O/Z
). No function at default.
GPIO 12 pin (
I/O/Z
) or PCI bus grant (
I
). No function at default.
GPIO 11 pin (
I/O/Z
) or PCI bus request (
O/Z
). No function at default.
GPIO 10 pin (
I/O/Z
) or PCI command/byte enable 3 (
I/O/Z
). No function at default.
GPIO 9 pin (
I/O/Z
) or PCI initialization device select (
I
). No function at default.
EMIFA (64-bit) CONTROL SIGNALS COMMON TO ALL TYPES OF MEMORY
||
O/Z
IPU
EMIFA memory space enables
O/Z
IPU
O/Z
IPU
F2
G4
J3
I/O/Z
F1
L2
M3
ACE3
L26
ACE2
K23
O/Z
IPU
ACE1
K24
Enabled by bits 28 through 31 of the word address
Only one pin is asserted during any external data access
ACE0
K25
ABE7
T23
O/Z
IPU
ABE6
T24
O/Z
IPU
ABE5
R25
O/Z
IPU
EMIFA byte-enable control
Decoded from the low-order address bits. The number of address bits or byte enables
used depends on the width of external memory.
Byte-write enables for most types of memory
Can be directly connected to SDRAM read and write mask signal (SDQM)
ABE4
R26
O/Z
IPU
ABE3
M25
O/Z
IPU
ABE2
M26
O/Z
IPU
ABE1
L23
O/Z
IPU
ABE0
L24
O/Z
IPU
APDT
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.
||These C64x
devices have two EMIFs (64-bit EMIFA and 16-bit EMIFB). The prefix “A” in front of a signal name indicates it is an EMIFA signal
whereas a prefix “B” in front of a signal name indicates it is an EMIFB signal. Throughout the rest of this document, in generic EMIF areas of
discussion, the prefix “A” or “B” may be omitted from the signal name.
To maintain signal integrity for the EMIF signals, serial termination resistors should be inserted into all EMIF output signal lines.
M22
O/Z
IPU
EMIFA peripheral data transfer, allows direct transfer between external peripherals
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