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RTC-4513 Datasheet(PDF) 2 Page - Epson Company |
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RTC-4513 Datasheet(HTML) 2 Page - Epson Company |
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2 / 2 page  48 Real time clock module Switching characteristics Block diagram Register table Timing chart Write mode Read mode t CKS tDS tRF tRD tRF tRZ Hi-z tDH t CS t CH t CKH t CR t WL t WH CLK CLK CLK DATA DATA CE CE STD.P VDD GND DATA CLK CE OSC Decoder Address counter Data buffer Clock & calender Control register CD,CE,CF Address 0 1 2 3 4 5 6 7 8 9 A B C D E F A3 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 A2 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 A1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 A0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 Register symbol S1 S10 MI1 MI10 H1 H10 D1 D10 MO1 MO10 Y1 Y10 W CD CE CF D3 (MSB) s8 f0 mi8 fr h8 fr d8 fr mo8 fr y8 y80 fr 30ADJ t1 TEST D2 s4 s40 mi3 mi40 h4 pm/am d4 ∗ mo4 y4 y40 w4 IRQ-F t0 24/12 D1 s2 s20 mi2 mi20 h2 h20 d2 d20 mo2 y2 y20 w2 CAL/HW INT/STND STOP D0 (LSB) s1 s10 mi1 mi10 h1 h10 d1 d10 mo1 mo10 y1 y10 w1 HOLD MASK RESET 0 to 9 0 to 5 0 to 9 0 to 5 0 to 9 0 to 1,2 0 to 9 0 to 3 0 to 9 0 to 1 0 to 9 0 to 6 — Register name 1-second digit register 10-second digit register 1-minute digit register 10-minute digit register 1-hour digit register 10-hour digit register 1-day digit register 10-day digit register 1-month digit register 10-month digit register 1-year digit register 10-year digit register day of the week register Control register D Control register E Control register F Item CLK “H” time CLK “L” time CE setup time CE hold time CE recovery time CLK setup time CLK hold time Write data setup time Write data hold time Read data delay time Read data disable delay time CLK rise time/fall time Symbol tWH tWL tCS tCH tCR tCKS tCKH tDS tDH tRD tRZ tRF Condition — CL=50pF — Min. 300 150 200 300 20 50 — Max. — 250 100 20 Unit ns ∗ |
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