Device Configurations
71
July 2002 Revised March 2004
SPRS200E
Table 29. DM642 Device Multiplexed Pins (Continued)
DESCRIPTION
DEFAULT
SETTING
DEFAULT
FUNCTION
MULTIPLEXED PINS
DESCRIPTION
DEFAULT
SETTING
DEFAULT
FUNCTION
NO.
NAME
VP1D[19]/AXR0[7]
AB12
VP1D[18]/AXR0[6]
AB11
By default, no function is enabled upon reset.
VP1D[17]/AXR0[5]
AC11
VP1EN bit = 0
By default, no function is enabled upon reset.
To enable the Video Port 1 data pins, the VP1EN bit in the
PERCFG register must be set to a 1. (McASP0 data pins are
VP1D[16]/AXR0[4]
AD11
None
VP1EN bit = 0
(disabled)
To enable the Video Port 1 data pins, the VP1EN bit in the
PERCFG register must be set to a 1. (McASP0 data pins are
disabled).
VP1D[15]/AXR0[3]
AE11
None
(disabled)
MCASP0EN bit = 0
(disabled)
disabled).
To enable the McASP0[7:0] data pins, the MCASP0EN bit in
VP1D[14]/AXR0[2]
AC10
MCASP0EN bit = 0
(disabled)
To enable the McASP0[7:0] data pins, the MCASP0EN bit in
the PERCFG register must be set to a 1. (VP1 upper data
pins are disabled).
VP1D[13]/AXR0[1]
AD10
the PERCFG register must be set to a 1. (VP1 upper data
pins are disabled).
VP1D[12]/AXR0[0]
AC9
VP1D[8]/CLKR1
AD8
VP1D[7]/FSR1
AC7
VP1D[6]/DR1
AD7
McBSP1
VP1EN bit = 0
(disabled)
By default, the McBSP1 peripheral, function is enabled upon
reset (MCBSP1EN bit = 1).
VP1D[5]/CLKS1
AE7
McBSP1
functions
VP1EN bit = 0
(disabled)
MCBSP1EN bit = 1
By default, the McBSP1 peripheral, function is enabled upon
reset (MCBSP1EN bit = 1).
To enable the Video Port 1 data pins, the VP1EN bit in the
VP1D[4]/DX1
AC6
functions
MCBSP1EN bit = 1
(enabled)
To enable the Video Port 1 data pins, the VP1EN bit in the
PERCFG register must be set to a 1.
VP1D[3]/FSX1
AD6
(enabled)
PERCFG register must be set to a 1.
VP1D[2]/CLKX1
AE6
VP0D[19]/AHCLKX0
AC12
VP0D[18]/AFSX0
AD12
By default, no function is enabled upon reset.
VP0D[17]/ACLKX0
AB13
VP0EN bit = 0
By default, no function is enabled upon reset.
To enable the Video Port 0 data pins, the VP0EN bit in the
PERCFG register must be set to a 1. (McASP0 control pins
VP0D[16]/AMUTE0
AC13
None
VP0EN bit = 0
(disabled)
To enable the Video Port 0 data pins, the VP0EN bit in the
PERCFG register must be set to a 1. (McASP0 control pins
are disabled).
VP0D[15]/AMUTEIN0
AD13
None
(disabled)
MCASP0EN bit = 0
(disabled)
are disabled).
To enable the McASP0 control pins, the MCASP0EN bit in
VP0D[14]/AHCLKR0
AB14
MCASP0EN bit = 0
(disabled)
To enable the McASP0 control pins, the MCASP0EN bit in
the PERCFG register must be set to a 1. (VP0 upper data
pins are disabled).
VP0D[13]/AFSR0
AC14
the PERCFG register must be set to a 1. (VP0 upper data
pins are disabled).
VP0D[12]/ACLKR0
AD14
VP0D[8]/CLKR0
AE15
VP0D[7]/FSR0
AB16
VP0D[6]/DR0
AC16
McBSP0
VP0EN bit = 0
(disabled)
By default, the McBSP0 peripheral function is enabled upon
reset (MCBSP0EN bit = 1).
VP0D[5]/CLKS0
AD16
McBSP0
functions
VP0EN bit = 0
(disabled)
MCBSP0EN bit = 1
By default, the McBSP0 peripheral function is enabled upon
reset (MCBSP0EN bit = 1).
To enable the Video Port 0 data pins, the VP0EN bit in the
VP0D[4]/DX0
AE16
functions
MCBSP0EN bit = 1
(enabled)
To enable the Video Port 0 data pins, the VP0EN bit in the
PERCFG register must be set to a 1.
VP0D[3]/FSX0
AF16
(enabled)
PERCFG register must be set to a 1.
VP0D[2]/CLKX0
AF17
XSP_CLK/MDCLK
R5
None
PCI_EN = 0 (disabled)
MAC_EN = 0
By default, no functions enabled upon reset (PCI is
disabled).
To enable the PCI peripheral, an external pullup resistor
(1 k
) must be provided on the PCI_EN pin (setting
XSP_DO/MDIO
P5
None
MAC_EN = 0
(disabled)
(1 k
) must be provided on the PCI_EN pin (setting
PCI_EN = 1 at reset)
To enable the MDIO peripheral (which also enables the
EMAC peripheral), an external pullup resistor (1 k
) must be
provided on the MAC_EN pin (setting MAC_EN = 1 at reset)
All other standalone PCI pins are tied-off internally (pins in Hi-Z) when the peripheral is disabled [PCI_EN = 0].
For the HD[31:0]/AD[31:0] multiplexed pins pin numbers, see the Terminal Functions table.
ADV
ANCE
INFORMA
TION