
Multicore Fixed and Floating-Point System-on-Chip
Copyright 2012 Texas Instruments Incorporated
Device Overview
43
SPRS689D—March 2012
TMS320C6670
ALTCORECLKP
AB29
I
Alternate System clock input to main PLL
ALTCORECLKN
AB28
I
SRIOSGMIICLKP
AJ16
I
RapidIO/SGMII reference clock to drive the RapidIO and SGMII SerDes
SRIOSGMIICLKN
AH16
I
DDRCLKP
G29
I
DDR reference clock input to DDR PLL
DDRCLKN
H29
I
PCIECLKP
AH17
I
PCIe reference clock input to drive PCIe SerDes
PCIECLKN
AJ17
I
MCMCLKP
W1
I
HyperLink reference clock input to drive the HyperLink SerDes
MCMCLKN
W2
I
SYSCLKOUT
AA26
OZ
Down
System clock output to be used as a general purpose output clock for debug purposes
CORECLKSEL
AB25
I
Down
Core clock select to select between SYSCLK and ALTCORECCLK to the main PLL
PACLKSEL
AD23
IOZ
Down
PA clock select to choose between PASSCLK and the output of main PLL MUX (dependent on
CORECLKSEL pin) to the PA sub-system PLL
HOUT
AC18
OZ
Up
Interrupt output pulse created by IPCGRH
NMI
AC25
I
Up
Non-maskable Interrupt
LRESET
AE22
I
Up
Local Reset
LRESETNMIEN
AC20
I
Up
Enable for core selects
CORESEL0
AH15
I
Down
Select for the target core for LRESET and NMI. For more details see
Timing Requirements’’ on page 178
CORESEL1
AC16
I
Down
CORESEL2
AD15
I
Down
RESETFULL
AE23
I
Up
Full reset power-on reset
RESET
AC24
I
Up
Reset of non isolated portion on the device
POR
AC19
I
POR (power-on reset)
RESETSTAT
AD18
O
Up
Reset status output
BOOTCOMPLETE
AC21
OZ
Down
Boot progress indication output
PTV15
H24
A
PTV Compensation NMOS Reference Input. A precision resistor placed between the PTV15
pin and ground is used to closely tune the output impedance of the DDR interface drivers
to 50 Ohms. Presently, the recommended value for this 1% resistor is 45.3 Ohms.
DDR
DDRDQM0
E29
OZ
DDR EMIF data masks
DDRDQM1
C27
OZ
DDRDQM2
A25
OZ
DDRDQM3
A22
OZ
DDRDQM4
A10
OZ
DDRDQM5
A8
OZ
DDRDQM6
B5
OZ
DDRDQM7
B2
OZ
DDRDQM8
A20
OZ
Table 2-15
Terminal Functions — Signals and Control by Function (Part 3 of 12)
Signal Name
Ball No.
Type IPD/IPU
Description
Содержание TMS320C6670
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