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SMJ320C25-50GBM Datasheet(PDF) 2 Page - Texas Instruments |
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SMJ320C25-50GBM Datasheet(HTML) 2 Page - Texas Instruments |
2 / 38 page SMJ320C25, SMJ320C2550 DIGITAL SIGNAL PROCESSOR SGUS007D – AUGUST 1988 – REVISED OCTOBER 2001 2 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 description This data sheet provides design documentation for the SMJ320C25 and the SMJ320C25-50 digital signal processor (DSP) devices in the SMJ320 family of VLSI digital signal processors and peripherals. The SMJ320 family supports a wide range of digital signal processing applications such as tactical communications, guidance, military modems, speech processing, spectrum analysis, audio processing, digital filtering, high-speed control, graphics, and other computation-intensive applications. Differences between the SMJ320C25 and the SMJ320C25-50 are specifically identified, as in the following paragraph and in the parameter tables on pages 18 through 24 of this data sheet. When not specifically differentiated, the term SMJ320C25 is used to describe both devices. The SMJ320C25 has a 100-ns instruction cycle time. The SMJ320C25-50 has an 80-ns instruction cycle time. With these fast instruction cycle times and their innovative memory configurations, these devices perform operations necessary for many real-time digital signal processing algorithms. Since most instructions require only one cycle, the SMJ320C25 is capable of executing 12.5 million instructions per second. On-chip data RAM of 544 16-bit words, on-chip program ROM of 4K words, direct addressing of up to 64K words of external data memory space and 64K words of external program memory space, and multiprocessor interface features for sharing global memory minimize unnecessary data transfers to take full advantage of the capabilities of the instruction set. Table 1. PGA/CLCC/LCCC Pin Assignments FUNCTION PIN FUNCTION PIN FUNCTION PIN FUNCTION PIN FUNCTION PIN FUNCTION PIN A0 K1/26 A12 K8/40 D2 E1/16 D14 A5/3 INT2 H1/22 VCC H2/23 A1 K2/28 A13 L9/41 D3 D2/15 D15 B6/2 IS J11/46 VCC L6/35 A2 L3/29 A14 K9/42 D4 D1/14 DR J1/24 MP/MC A6/1 VSS B1/10 A3 K3/30 A15 L10/43 D5 C2/13 DS K10/45 MSC C10/59 VSS K11/44 A4 L4/31 BI0 B7/68 D6 C1/12 DX E11/54 PS J10/47 VSS L2/27 A5 K4/32 BR G11/50 D7 B2/11 FSR J2/25 READY B8/66 XF D11/56 A6 L5/33 CLKOUT1 C11/58 D8 A2/9 FSX F10/53 RS A8/65 X1 G10/51 A7 K5/34 CLKOUT2 D10/57 D9 B3/8 HOLD A7/67 R/W H11/48 X2/CLKIN F11/52 A8 K6/36 CLKR B9/64 D10 A3/7 HOLDA E10/55 STRB H10/49 A9 L7/37 CLKX A9/63 D11 B4/6 IACK B11/60 SYNC F2/19 A10 K7/38 D0 F1/18 D12 A4/5 INT0 G1/20 VCC A10/61 A11 L8/39 D1 E2/17 D13 85/4 INT1 G2/21 VCC B10/62 SMJ320 is a trademark of Texas Instruments Incorporated. |
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