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SH7014 Datasheet(PDF) 410 Page - Renesas Technology Corp |
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SH7014 Datasheet(HTML) 410 Page - Renesas Technology Corp |
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410 / 754 page  13. High Speed A/D Converter ⎯ SH7014 ⎯ Rev.5.00 Sep. 27, 2007 Page 376 of 716 REJ09B0398-0500 13.3 Bus Master Interface The ADDRA to ADDRH are 16-bit registers with a 16-bit width data bus to the bus master. The bus master can read from ADDRA to ADDRH in either word or byte units. When an ADDR is read in word units, the ADDR contents are transferred to the bus master 16 bits at a time. In byte unit reads, the contents of the most significant eight bits (AD9 to AD2) of the converted data (AD9 to AD0) are transferred to the bus master. Figures 13.2 (1) and (2) show an example of the ADDR read operation. 0 0 0 0 0 0 AD 9 AD 8 AD 7 AD 6 AD 5 AD 4 AD 3 AD 2 AD 1 AD 0 Upper 8 bits Internal data bus Bus I/F Data register Word data read Lower 8 bits Figure 13.2 ADDR Read Operation (1) |
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