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Motor de Búsqueda de Datasheet de Componentes Electrónicos |
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Motor de Búsqueda de Datasheet de Componentes Electrónicos |
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H8/3028F Datasheet(PDF) 54 Page - Renesas Technology Corp |
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H8/3028F Datasheet(HTML) 54 Page - Renesas Technology Corp |
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54 / 923 page  Rev. 2.00, 09/03, page 24 of 890 2.5 Data Formats The H8/300H CPU can process 1-bit, 4-bit (BCD), 8-bit (byte), 16-bit (word), and 32-bit (longword) data. Bit-manipulation instructions operate on 1-bit data by accessing bit n (n = 0, 1, 2, …, 7) of byte operand data. The DAA and DAS decimal-adjust instructions treat byte data as two digits of 4-bit BCD data. 2.5.1 General Register Data Formats Figures 2.6 and 2.7 show the data formats in general registers. 7 RnH RnL RnH RnL RnH RnL 1-bit data 1-bit data 4-bit BCD data 4-bit BCD data Byte data Byte data 65 4 3 2 1 0 70 Don’t care 7 6 5 4 32 10 70 Don’t care Don’t care 70 43 Lower digit Upper digit 7 43 Lower digit Upper digit Don’t care 0 70 Don’t care MSB LSB Don’t care 70 MSB LSB Data Type Data Format General Register RnH: RnL: General register RH General register RL Legend Figure 2.6 General Register Data Formats |
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