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TMC2250AH5C Datasheet(PDF) 7 Page - Cadeka Microcircuits LLC. |
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TMC2250AH5C Datasheet(HTML) 7 Page - Cadeka Microcircuits LLC. |
7 / 23 page TMC2250A PRODUCT SPECIFICATION REV. 1.0.2 10/25/00 7 Notes: 1. The output ports X, Y, Z and CASOUT, and input port CASIN are internally reconfigured by the device as required for each mode of the device. The multiple-function pins have names which are combinations of these titles, as appropriate. 2. The output drivers on pins XC11-0 and YC11-8 are not necessarily disabled until after the first rising edge of CLK following power-up. If these pins are to be tied to other output drivers, to each other, or to ground or VDD, the user should ensure that a clock pulse arrives within a few seconds of power-up, to avoid bus contention. KA9-0 K13, J11, K12, L13, L12, K11, M13, M12, L11, N13 69, 68, 67, 66, 65, 64, 63, 62, 61, 60 Coefficient Input A1, A2, A3 Data presented to the 10-bit registered coefficient input ports KA, KB and KC are latched three at a time into the internal coefficient storage register set indicated by the Coefficient Write Enable CWE1,0 on the next clock, as shown in Table 4. KB9-0 M11, L10, N12, N11, M10, L9, N10, M9, N9, L8 59, 58, 57, 56, 55, 54, 53, 52, 51, 50 Coefficient Input B1, B2, B3 KC9-0 M8, N8, N7, M7, N6, M6, N5, M5, N4, L5 49, 48, 47, 45, 44, 43, 41, 40, 39, 38 Coefficient Input B1, B2, B3 XC11-0 B4, A3, A2, B3, A1, C3, B2, B1, D3, C2, C1, D2 115, 116, 117, 119, 120, 1, 2, 3, 4, 5, 6, 7 CASIN15-4/ Output X In all modes except Mode 00, the x port and four bits of the Y output port are reconfigured as the 16-bit registered Cascade Input port CASIN15-0. Data presented to this input will be added to the weighted sums of the data words which were presented to the input ports (A, B and C). In the matrix multiply mode, data are available at the 12-bit registered output ports X, Y AND Z tDO after every clock. These ports are reconfigured in the filtering modes as 16-bit Cascade Input and Output ports.CASOUT15-0 In all modes except Mode 00, the Z port and four bits of the Y output port are reconfigured as the 16-bit registered Cascade Output port CASOUT15-0. YC11-8 D1, E2, E1, F2 9, 10, 11, 13 CASIN3-0/ Output Y11-0 Y7-4 F1, G2, G1, H1 14, 15, 17, 18 Output7-4 only YC3-0 K1, J2, J1, H2 23, 22, 21, 19 CASOUT3-0/ Output Y3-0 ZC11-0 M4, N3, M3, N2, M2, L3, N1, L2, K3, M1, L1, K2 37, 36, 35, 33, 32, 31, 30, 29, 28, 27, 26, 25 CASOUT15-4/ Output Z11-0 Pin Descriptions (continued) Pin Name Pin Number Function Pin Description CPGA/PPGA/ MPGA MQFP Table 3. Configuration Mode Word Table 4. Coefficient Write Enable Word MODE1,0 Configuration Mode 00 3 x 3 Matrix Multiply 01 9-Tap One Dimensional FIR 10 3 x 3 -Pixel Convolver 11 4 x 2 -Pixel Convolver CWE1,0 Coefficient Set Selected 00 Hold all registers 01 Update KA1, KB1, KC1 10 Update KA2, KB2, KC2 11 Update KA3, KB3, KC3 |
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