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TMS320C6474
www.ti.com
SPRS552F – OCTOBER 2008 – REVISED JULY 2010
Table 2-5. Terminal Functions (continued)
SIGNAL
TYPE
(1)
IPD/IPU
(2)
SIGNAL DESCRIPTION
NAME
NO.
DDRRCVENIN0
AB25
I
DDRRCVENOUT0
AB24
O/Z
DDR2 EMIF Data Strobe Gate Input/Outputs to help meet DDR Timing
DDRRCVENIN1
E24
I
DDRRCVENOUT1
E25
O/Z
DDR2 EMIF On-Die Termination Outputs used to set termination on the
SDRAMs
The DDR2 ODT control register is found at 0x7000 00F0
DDRODT
K24
O/Z
Bits 1:0 are the ODT status, these bits are Read/Write:
00 - no termination
01- half termination
11 - full termination
DDRSLRATE
AE23
I
DDR2 Slew rate control
V
REFSSTL
T26
A
Reference Voltage Input for SSTL18 buffers used by DDR2 EMIF (V
DDS18/2
)
JTAG EMULATION
TCK
W4
I
IPU
JTAG Clock Input
TDI
V4
I
IPU
JTAG Data Input
TDO
W3
O/Z
JTAG Data Output
TMS
W1
I
IPU
JTAG Test Mode Input
TRST
W2
I
IPD
JTAG Reset
EMU00
R4
I/O/Z
IPU
EMU01
R2
I/O/Z
IPU
EMU02
N3
I/O/Z
IPU
EMU03
N1
I/O/Z
IPU
EMU04
M2
I/O/Z
IPU
EMU05
M1
I/O/Z
IPU
EMU06
N4
I/O/Z
IPU
EMU07
R3
I/O/Z
IPU
EMU08
M4
I/O/Z
IPU
EMU09
N2
I/O/Z
IPU
Emulation and Trace Port
EMU10
R1
I/O/Z
IPU
EMU11
T2
I/O/Z
IPU
EMU12
L3
I/O/Z
IPU
EMU13
P4
I/O/Z
IPU
EMU14
K2
I/O/Z
IPU
EMU15
T1
I/O/Z
IPU
EMU16
P3
I/O/Z
IPU
EMU17
L4
I/O/Z
IPU
EMU18
M3
I/O/Z
IPU
FRAME SYNCHRONIZATION (FSYNC)
FSYNCCLKN
AD8
I
Frame Sync Interface Clock used to drive the frame synchronization interface
(OBSAI RP1 clock)
FSYNCCLKP
AD7
I
SMFRAMECLK
AD4
O/Z
IPD
Frame Sync Clock Output
FRAMEBURSTN
AD10
I
Frame Burst to drive frame indicators to the frame synchronization module
(OBSAI RP1)
FRAMEBURSTP
AD9
I
ALTFSYNCCLK
AF6
I
IPD
Alternate Frame Sync Clock Input (vs FSYNCCLK(N|P)
ALTFSYNCPULSE
AE6
I
IPD
Alternate Frame Sync Input (vs FRAMEBURST (N|P)
TRT
AD3
I
IPD
Multi-standard Frame Synchronization Tick
TRTCLK
AC4
I
IPD
Multi-standard Frame Synchronization Clock
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