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TMS320F2812PBKS Datasheet(PDF) 8 Page - Texas Instruments |
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TMS320F2812PBKS Datasheet(HTML) 8 Page - Texas Instruments |
8 / 103 page TMS320F2810, TMS320F2812 DIGITAL SIGNAL PROCESSORS SPRS174B – APRIL 2001 – REVISED SEPTEMBER 2001 8 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 pin functions Table 2 specifies the signals on the F2810 and F2812 devices. All digital inputs are TTL-compatible. All outputs are 3.3 V with CMOS levels. Inputs are not 5-V tolerant. A 20- µA resistor is used for pullup/down. Table 2. Signal Descriptions NAME PIN NO. I/O/Z DRIVE PU/PD† DESCRIPTION XINTF SIGNALS (2812 ONLY) XA[18:0] O/Z 19-bit Address Bus XD[15:0] I/O/Z 16-bit Data Bus XMP/MC I PU Microprocessor/Microcomputer Mode Select XHOLD I PU External DMA Hold Request XHOLDA O/Z External DMA Hold Acknowledge XZCS0 O/Z Zone 0 Chip Select Strobe XZCS1 O/Z Zone 1 Chip Select Strobe XZCS2 O/Z Zone 2 Chip Select Strobe XZCS6AND7 O/Z Zone 6 and 7 Chip Select Strobe XWE O/Z Write Enable XRD O/Z Read Enable XRNW O/Z Read Not Write Select XREADY I PU Input Ready Signal JTAG AND MISCELLANEOUS SIGNALS X1/XCLKIN I – Oscillator Input Or Clock Generator Input X2 I – Oscillator Output XPPLDIS I PU Disable PLL When High TESTSEL I PU Test Mode Select Signal XRS I/O PU Device Reset (in) and Watchdog Reset (out) TEST1 I/O – Flash Test Signal 1 TEST2 I/O – Flash Test Signal 2 JTAG TRST I PD JTAG Test-Logic Reset TCK I JTAG Test clock TMS I JTAG Test Mode Select TDI I JTAG Test Data Input TDO O/Z JTAG Test Data Output EMU0 I/O/Z PU Emulation/Test trigger channel 0 EMU1 I/O/Z PU Emulation/Test trigger channel 1 † PU = pin has internal pullup; PD = pin has internal pulldown |
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