SMJ320C6701_07 Datasheet, PDF (28/64 Pages) Texas Instruments – FLOATING-POINT DIGITAL SIGNAL PROCESSOR

SMJ320C6701
FLOATINGĆPOINT DIGITAL SIGNAL PROCESSOR
SGUS030B – APRIL 2000 – REVISED MAY 2001
electrical characteristics over recommended ranges of supply voltage and operating case
temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNIT
VOH
VOL
II
IOZ
IDD2V
High-level output voltage
Low-level output voltage
Input current^†
Off-state output current
Supply current, CPU + CPU memory access^‡
DVDD = MIN,
IOH = MAX
DVDD = MIN,
IOL = MAX
VI = VSS to DVDD
VO = DVDD or 0 V
CVDD = NOM,
CPU clock = 150 MHz
2.4
V
0.6 V
±10 uA
±10 uA
470
mA
IDD2V Supply current, peripherals^§
CVDD = NOM,
CPU clock = 150 MHz
250
mA
IDD3V Supply current, I/O pins^¶
DVDD = NOM,
CPU clock = 150 MHz
85
mA
Ci
Input capacitance
Co
Output capacitance
* This parameter is not tested.
† _{TMS and TDI are not included due to internal pullups.}
TRST is not included due to internal pulldown.
‡ _{Measured with average CPU activity:}
50% of time:
8 instructions per cycle, 32-bit DMEM access per cycle
50% of time:
2 instructions per cycle, 16-bit DMEM access per cycle
§ _{Measured with average peripheral activity:}
50% of time:
Timers at max rate, McBSPs at E1 rate, and DMA burst transfer between DMEM and SDRAM
50% of time:
Timers at max rate, McBSPs at E1 rate, and DMA servicing McBSPs
¶ _{Measured with average I/O activity (30-pF load, SDCLK on):}
25% of time:
Reads from external SDRAM
25% of time:
Writes to external SDRAM
50% of time:
No activity
*15 pF
*15 pF
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