1 /* $NetBSD: pcf8583reg.h,v 1.3 2013/08/07 19:38:45 soren Exp $ */ 2 3 /* 4 * Ben Harris, 2000 5 * 6 * This file is in the public domain 7 */ 8 9 /* 10 * Philips PCF8583 RTC registers 11 */ 12 13 /* We only have clock mode registers here */ 14 15 #ifndef _PCF8583REG_H 16 #define _PCF8583REG_H 17 18 /* 19 * PCF8583 RTC I2C address: 20 * 21 * 101 0000 22 */ 23 #define PCF8583_ADDRMASK 0x3ff 24 #define PCF8583_ADDR 0x50 25 26 #define PCF8583_REG_CSR 0x00 27 #define PCF8583_REG_CENTI 0x01 28 #define PCF8583_REG_SEC 0x02 29 #define PCF8583_REG_MIN 0x03 30 #define PCF8583_REG_HOUR 0x04 31 #define PCF8583_REG_YEARDATE 0x05 32 #define PCF8583_REG_WKDYMON 0x06 33 #define PCF8583_REG_TIMER 0x07 34 #define PCF8583_REG_ALMCTL 0x08 35 #define PCF8583_REG_ALMCENTI 0x09 36 #define PCF8583_REG_ALMSEC 0x0a 37 #define PCF8583_REG_ALMMIN 0x0b 38 #define PCF8583_REG_ALMHOUR 0x0c 39 #define PCF8583_REG_ALMDAY 0x0d 40 #define PCF8583_REG_ALMMON 0x0e 41 #define PCF8583_REG_ALMTIMER 0x0f 42 43 #define PCF8583_NVRAM_START 0x10 44 #define PCF8583_NVRAM_SIZE 240 45 46 #define PCF8583_CSR_TIMER 0x01 47 #define PCF8583_CSR_SECTICK 0x01 48 #define PCF8583_CSR_ALARM 0x02 49 #define PCF8583_CSR_MINTICK 0x02 50 #define PCF8583_CSR_ALARMENABLE 0x04 51 #define PCF8583_CSR_MASK 0x08 52 #define PCF8583_CSR_FN_MASK 0x30 53 #define PCF8583_CSR_FN_32768HZ 0x00 54 #define PCF8583_CSR_FN_50HZ 0x10 55 #define PCF8583_CSR_FN_EVENT 0x20 56 #define PCF8583_CSR_FN_TEST 0x30 57 #define PCF8583_CSR_HOLD 0x40 58 #define PCF8583_CSR_STOP 0x80 59 60 #define PCF8583_HOUR_MASK 0x3f 61 #define PCF8583_HOUR_PM 0x40 62 #define PCF8583_HOUR_12H 0x80 63 64 #define PCF8583_DATE_MASK 0x3f 65 #define PCF8583_YEAR_MASK 0xc0 66 #define PCF8583_YEAR_SHIFT 6 67 68 #define PCF8583_MON_MASK 0x1f 69 #define PCF8583_WKDY_MASK 0xe0 70 #define PCF8583_WKDY_SHIFT 5 71 72 #define PCF8583_ALMCTL_TIMER_MASK 0x07 73 #define PCF8583_ALMCTL_TIMER_OFF 0x00 74 #define PCF8583_ALMCTL_TIMER_CENTI 0x01 75 #define PCF8583_ALMCTL_TIMER_SEC 0x02 76 #define PCF8583_ALMCTL_TIMER_MIN 0x03 77 #define PCF8583_ALMCTL_TIMER_HOUR 0x04 78 #define PCF8583_ALMCTL_TIMER_DAY 0x05 79 #define PCF8583_ALMCTL_TIMER_TEST 0x07 80 #define PCF8583_ALMCTL_TIMERINT 0x08 81 #define PCF8583_ALMCTL_CLKALM_MASK 0x30 82 #define PCF8583_ALMCTL_CLKALM_NONE 0x00 83 #define PCF8583_ALMCTL_CLKALM_DAILY 0x10 84 #define PCF8583_ALMCTL_CLKALM_WKDY 0x20 85 #define PCF8583_ALMCTL_CLKALM_DATED 0x30 86 #define PCF8583_ALMCTL_TIMERALM 0x40 87 #define PCF8583_ALMCTL_ALMINT 0x80 88 89 #endif /* _PCF8583REG_H */ 90
Indexes created Sat Sep 20 22:09:52 GMT 2025