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HD64F2149YV Datasheet(PDF) 1002 Page - Renesas Technology Corp |
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HD64F2149YV Datasheet(HTML) 1002 Page - Renesas Technology Corp |
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1002 / 1075 page  Appendix B Internal I/O Registers Rev. 3.00 Jan 18, 2006 page 974 of 1044 REJ09B0280-0300 ADCSR—A/D Control/Status Register H'FFE8 A/D Converter 7 ADF 0 R/(W) 6 ADIE 0 R/W 5 ADST 0 R/W 4 SCAN 0 R/W 3 CKS 0 R/W 0 CH0 0 R/W 2 CH2 0 R/W 1 CH1 0 R/W * Bit Initial value Read/Write Channel select 0 1 0 1 0 1 0 1 0 1 0 1 AN0 AN1 AN2 AN3 AN4 AN5 AN6 or CIN0 to CIN7 Description AN0 AN0, AN1 AN0, AN1, AN2 AN0, AN1, AN2, AN3 AN4 AN4, AN5 AN4, AN5, AN6 or CIN0 to CIN7 Group selection CH1 CH0 Single mode Scan mode CH2 0 1 Note: * Only 0 can be written, to clear the flag. Channel selection Clock select 0 Conversion time = 266 states (max.) 1 Conversion time = 134 states (max.) Scan mode 0 Single mode 1 Scan mode A/D interrupt enable 0 A/D conversion end interrupt (ADI) request disabled 1 A/D conversion end interrupt (ADI) request enabled A/D end flag 0 [Clearing conditions] • When 0 is written in the ADF flag after reading ADF = 1 • When the DTC is activated by an ADI interrupt, and ADDR is read 1 [Setting conditions] • Single mode: When A/D conversion ends • Scan mode: When A/D conversion ends on all specified channels A/D start 0 A/D conversion stopped 1 • Single mode: A/D conversion is started. Cleared to 0 automatically when conversion on the specified channel ends • Scan mode: A/D conversion is started. Conversion continues sequentially on the selected channels until ADST is cleared to 0 by software, a reset, or a transition to standby mode or module stop mode AN7 or CIN8 to CIN15 AN4, AN5, AN6 or CIN0 to CIN7, AN7 or CIN8 to CIN15 |
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