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DS1302 Scheda tecnica(PDF) 9 Page - Maxim Integrated Products |
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DS1302 Scheda tecnica(HTML) 9 Page - Maxim Integrated Products |
9 / 13 page DS1302 Trickle-Charge Timekeeping Chip 9 of 13 Table 3. Register Address/Definition RTC READ WRITE BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0 RANGE 81h 80h CH 10 Seconds Seconds 00–59 83h 82h 10 Minutes Minutes 00–59 10 85h 84h 12/ 24 0 AM/PM Hour Hour 1–12/0–23 87h 86h 0 0 10 Date Date 1–31 89h 88h 0 0 0 10 Month Month 1–12 8Bh 8Ah 0 0 0 0 0 Day 1–7 8Dh 8Ch 10 Year Year 00–99 8Fh 8Eh WP 0 0 0 0 0 0 0 — 91h 90h TCS TCS TCS TCS DS DS RS RS — CLOCK BURST BFh BEh RAM C1h C0h 00-FFh C3h C2h 00-FFh C5h C4h 00-FFh . . . . . . . . . FDh FCh 00-FFh RAM BURST FFh FEh Figure 5. Programmable Trickle Charger 2K Ω 4k Ω 8k Ω R1 R3 R2 V CC2 V CC1 Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 TCS3 TCS2 TCS1 TCS0 DS1 DS0 ROUT1 ROUT0 TRICKLE CHARGE REGISTER (90h write, 91h read) 1 0F 16 SELECT NOTE: ONLY 1010b ENABLES CHARGER 1 OF 2 SELECT 1 OF 3 SELECT TCS 0-3 = TRIC KLE C H AR G E R SELEC T DS 0-1 = D IOD E SELEC T ROUT 0-1 = RESISTO R SELE C T |
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