TMS320C6713B Floating-Point Digital Signal Processor (Rev. A)
TMS320C6713B Floating-Point Digital Signal Processor (Rev. A)
TMS320C6713B Floating-Point Digital Signal Processor (Rev. A)
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SPRS294A − OCTOBER 2005 − REVISED NOVEMBER 2005<br />
SIGNAL<br />
NAME<br />
PYP<br />
PIN NO.<br />
GDP/<br />
ZDP<br />
TYPE†<br />
Terminal Functions (Continued)<br />
IPD/<br />
IPU‡<br />
DESCRIPTION<br />
EMIF − ASYNCHRONOUS/SYNCHRONOUS MEMORY CONTROL<br />
ECLKIN 78 Y11 I IPD External EMIF input clock source<br />
ECLKOUT 77 Y10 O/Z IPD<br />
ARE/SDCAS/<br />
SSADS<br />
AOE/SDRAS/<br />
SSOE<br />
AWE/SDWE/<br />
SSWE<br />
79 V11 O/Z IPU<br />
75 W10 O/Z IPU<br />
83 V12 O/Z IPU<br />
ARDY 56 Y5 I IPU Asynchronous memory ready input<br />
EMIF − ADDRESS<br />
EA21 109 U18<br />
EA20 101 Y18<br />
EA19 100 W17<br />
EA18 95 Y16<br />
EA17 99 V16<br />
EA16 92 Y15<br />
EA15 94 W15<br />
EMIF output clock depends on the EKSRC bit (DEVCFG.[4]) and on EKEN bit<br />
(GBLCTL.[5]).<br />
EKSRC = 0 – ECLKOUT is based on the internal SYSCLK3 signal<br />
from the clock generator (default).<br />
EKSRC = 1 – ECLKOUT is based on the the external EMIF input clock<br />
source pin (ECLKIN)<br />
EKEN = 0 – ECLKOUT held low<br />
EKEN = 1 – ECLKOUT enabled to clock (default)<br />
Asynchronous memory read enable/SDRAM column-address strobe/SBSRAM<br />
address strobe<br />
Asynchronous memory output enable/SDRAM row-address strobe/SBSRAM<br />
output enable<br />
Asynchronous memory write enable/SDRAM write enable/SBSRAM write<br />
enable<br />
EA14 90 Y14 EMIF external address<br />
EA13 91 W14<br />
Note: EMIF address numbering for the C6713BPYP device<br />
EA12 93 V14<br />
O/Z IPU starts with EA2 to maintain signal name compatibility with other C671x devices<br />
(e.g., C6711, C6713BGDP and C6713BZDP) [see the 32-bit EMIF addressing<br />
EA11 86 W13<br />
scheme in the TMS320C6000 DSP External Memory Interface (EMIF)<br />
EA10 76 V10<br />
Reference Guide (literature number SPRU266)].<br />
EA9 74 Y9<br />
EA8 71 V9<br />
EA7 70 Y8<br />
EA6 69 W8<br />
EA5 68 V8<br />
EA4 64 W7<br />
EA3 63 V7<br />
EA2 62 Y6<br />
† I = Input, O = Output, Z = High impedance, S = Supply voltage, GND = Ground, A = Analog signal<br />
‡ IPD = Internal pulldown, IPU = Internal pullup. [To oppose the supply rail on these IPD/IPU signal pins, use external pullup or pulldown resistors<br />
no greater than 4.4 kΩ and 2.0 kΩ, respectively.]<br />
To maintain signal integrity for the EMIF signals, serial termination resistors should be inserted into all EMIF output signal lines.<br />
52 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443