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TMS320DM642 Datasheet(PDF) 36 Page - Texas Instruments

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Part # TMS320DM642
Description  Video/Imaging Fixed-Point Digital Signal Processor
PDF  178 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TMS320DM642 Datasheet(HTML) 36 Page - Texas Instruments

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TMS320DM642
Video/Imaging Fixed-Point Digital Signal Processor
SPRS200J – JULY 2002 – REVISED AUGUST 2005
Table 2-4. Terminal Functions (continued)
SIGNAL
IPD/
TYPE(1)
DESCRIPTION
IPU(2)
NAME
NO.
AED19
G23
AED18
G26
AED17
H23
AED16
H24
AED15
C19
AED14
D19
AED13
A20
AED12
D20
AED11
B20
AED10
C20
I/O/Z
IPU
EMIFA external data
AED9
A21
AED8
D21
AED7
B21
AED6
C21
AED5
A23
AED4
C22
AED3
B22
AED2
B23
AED1
A24
AED0
B24
MANAGEMENT DATA INPUT/OUTPUT (MDIO)
XSP_CLK/MDCLK(3)
R5
I/O/Z
IPD
PCI serial interface clock (O) [default] or MDIO serial clock input/output (I/O/Z).
PCI serial interface data out (O) [default] or MDIO serial data input/output
XSP_DO/MDIO(3)
P5
I/O/Z
IPU
(I/O/Z). In PCI mode, this pin is connected to the input data pin of the serial
PROM.
VCXO INTERPOLATED CONTROL PORT (VIC)
VCXO Interpolated Control Port (VIC) single-bit digital-to-analog converter
(VDAC) output [output only] [default] or this pin can be programmed as a GP0 8
pin (I/O/Z)
Boot Configuration: PCI frequency selection (PCI66).
If the PCI peripheral is enabled (PCI_EN pin = 1), then:
0 - PCI operates at 66 MHz (default).
VDAC/GP0[8]/PCI66(3)
AD1
I/O/Z
IPD
1 - PCI operates at 33 MHz.
The –500 device supports PCI at 33 MHz only. For proper –500 device operation
when the PCI peripheral is enabled (PCI_EN = 1), this pin must be pulled up
with a 1-k
Ω resistor at device reset.
Note: If the PCI peripheral is disabled (PCI_EN pin = 0), this pin must not be
pulled up.
VIDEO PORTS (VP0, VP1, AND VP2)
STCLK
AC1
I
IPD
The STCLK signal drives the hardware counter on the video ports.
36
Device Overview



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