YY) SEIKO EPSON CORPORATION Product Number REAL TIME CLOCK MODULE (SPI-Bus) Product Number 90013 tocx00 Built-in 32.768 kHz-DTCXO, High Stability RX-4803LC = : X1B000122xxxx00 RX-4803LC UB : X1B000122000200 RX-4803SA/LC *Built in frequency adjusted 32.768 kHz crystal unit and DTCXO. #1/100s resolution Time register elnterface Type : 4-wire serial interface einterface voltage range 716Vt05.5V Temp. compensated voltagerange :2.2Vto5.5V & Clock supply voltage range 21.6Vto5.5V RX-4803SA RX-4803LC * Selectable clock output (32.768 kHz, 1024 Hz, 1 Hz) eThe various functions include full calendar, alarm, timer, EVIN input. Epson prepared Linux driver for development. http://www5.epsondevice.com/en/information/support/linux_rtc/) The registered trademark Linux is used pursuant to a sublicense from LMI(Linux Mark Institute) High Stability *UA +3.4x10 / -40C to+85C ( Equivalent to +9 seconds of month deviation ) *UB +5.0x10 / -40C to +85C ( Equivalent to +13 seconds of month deviation ) *eUC +450x10 / -30Cto+70C eAA (4545.0)x10 / +25C High Resolution: 1/100s Time register with capture buffer DIVIDER 32.768 KHz frequency output function FOUT pin output (C-MOS output), CL=30 pF Output selectable: 32.768 kHz, 1024 Hz, 1 Hz FOE FOUT EVIN The various interrupt e Timer Function can be set between 1/ 4096 second and HINT 4095 minutes. Alarm Function can be set to day of week, day, hour, or minute. DI SYSTEM e EVIN input. bo INTERFACE con ROLLER - . . . . cK cIRCUIT a ROL Time synchronize function with 1PPS signal input REGISTER ce Register compatibility: upper compatible with RX-4801. *It is possible to use it by the terminal connection as 32.768 KHz-DTCXO. Name | 1/0 i RX - 4803 SA RX~ 4803 LC 1. CE 14. Ot 1. N.C 12. EVIN iE ajO The pi uts the ref clock signal LS > 2 FOE | py tt ANT FOUT Output pin outp reference signal. 3 Four = Fea 2 Te) 4 E | to. GND 4. NC. 11. GND 4 i ~ so, 4. FOUT }24__ 9. T2(Vpp) TEST _[_ input | (Do not connect RX-4803SA 8. TEST 10. iN = a 6 Voo i y 0 a , = 7. FOE Cae] 8. NC. 6. CE 7. DI SOP - 14 pin VSOJ 12pin a The metal case inside of the molding compound may be exposed on the top or bottom of this product. Use by the manufacture for testing. stop using egies and does not have any effect on quality, reliability or electrical specs. Do not connect Any glue must never use it after soldering LC-package to a circuit board. This product has glass on the back side of a package.When glue invasions between circuit board side and glass side, then glass cracks by thermal expansion of glue.In this case a crystal oscillation stops.Consider glue abolition or glue do not touch to LC-package m Electrical Char acs @ 32.768 kHz-DTCXO Frequency temperature characteristics (Example) | Item Symbol Conditions Min. | Typ. | Max. Unit |interface voltage Voo Interface voltage 16 3.0 55 v Frequency temperature characteristics Temp. compensated Voltage VTem Temp. compensated voltage 22 3.0 55 Vv (Clock supply voltage Veuk - 16 3.0 55 Vv Operating temperature Topr |No condensation -40 +25 | +85 C & UA | Ta=-40 C to +85 C +3471 t a UB Ta =-40 C to +85 C | #2 a Stability Atl [Oc | ta =-30C to +70 C +50 10 4 AA | Ta=+25C +509 5 5+50 3 Current consumption (1) loo1 | Backup Mode Voo = 5V - |075| 34 E FOE = GND, : INT = Voo nA (Current consumption (2) lop2 FOUT output : OFF Vop = 3V - 0.75 2.1 1) 1023 of month deviation. *2) Eaut ai3 js of month devia 45% 2 15 5 5 5 6 B 4 GB 6 75 8 +3) Temperature (C) qui to 13 of month deviation. ( ing offset )