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HD404449 Datasheet(PDF) 7 Page - Renesas Technology Corp |
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HD404449 Datasheet(HTML) 7 Page - Renesas Technology Corp |
7 / 125 page HD404449 Series 5 Block Diagram System control External interrupt Timer A Timer B Timer C Timer D Serial interface 1 Serial interface 2 A/D converter RAM (1,152 4 bits) W (2 bits) X (4 bits) Y (4 bits) SPX (4 bits) ST (1 bit) CA (1 bit) A (4 bits) B (4 bits) SP (10 bits) PC (14 bits) Instruction decoder CPU R0 R0 R0 R0 R1 R1 R1 R1 R2 R2 R2 R2 R3 R3 R3 R3 R4 R4 R4 R4 R5 R5 R5 R5 R6 R6 R6 R6 R7 R7 R7 R7 R8 R8 R8 R8 R9 R9 R9 R9 RA RA RA RA RB RB RB RB RC RC RC RC : Data bus : Signal line TOC EVND TOD INT INT INT INT SI2 SO2 SCK2 AVCC AVSS AN0 AN1 AN2 AN3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 SI SO SCK ROM (16,384 × 10 bits) (8,192 × 10 bits) High current pins D D D D D D D D D D D D D D 0 1 2 3 4 5 6 7 8 9 10 11 12 13 0 1 2 3 EVNB TOB 1 1 1 SPY (4 bits) ALU × |
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