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HD64F2149YV Folha de dados(PDF) 692 Page - Renesas Technology Corp |
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HD64F2149YV Folha de dados(HTML) 692 Page - Renesas Technology Corp |
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692 / 1075 page ![]() Section 20 A/D Converter Rev. 3.00 Jan 18, 2006 page 664 of 1044 REJ09B0280-0300 20.1.4 Register Configuration Table 20.2 summarizes the registers of the A/D converter. Table 20.2 A/D Converter Registers Name Abbreviation R/W Initial Value Address* 1 A/D data register AH ADDRAH R H'00 H'FFE0 A/D data register AL ADDRAL R H'00 H'FFE1 A/D data register BH ADDRBH R H'00 H'FFE2 A/D data register BL ADDRBL R H'00 H'FFE3 A/D data register CH ADDRCH R H'00 H'FFE4 A/D data register CL ADDRCL R H'00 H'FFE5 A/D data register DH ADDRDH R H'00 H'FFE6 A/D data register DL ADDRDL R H'00 H'FFE7 A/D control/status register ADCSR R/(W)* 2 H'00 H'FFE8 A/D control register ADCR R/W H'3F H'FFE9 Module stop control register MSTPCRH R/W H'3F H'FF86 MSTPCRL R/W H'FF H'FF87 Keyboard comparator control register KBCOMP R/W H'00 H'FEE4 Notes: 1. Lower 16 bits of the address. 2. Only 0 can be written in bit 7, to clear the flag. 20.2 Register Descriptions 20.2.1 A/D Data Registers A to D (ADDRA to ADDRD) 15 AD9 0 R Bit Initial value Read/Write 14 AD8 0 R 13 AD7 0 R 12 AD6 0 R 11 AD5 0 R 10 AD4 0 R 9 AD3 0 R 8 AD2 0 R 7 AD1 0 R 6 AD0 0 R 5 — 0 R 4 — 0 R 3 — 0 R 2 — 0 R 1 — 0 R 0 — 0 R There are four 16-bit read-only ADDR registers, ADDRA to ADDRD, used to store the results of A/D conversion. |
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