Rainbow Electronics MAX6902 - Manual (Page 17)

MAX6902
SPI-Compatible RTC in a TDFN
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Functional Diagram
SECONDS
MINUTES
HOURS
DATE
MONTH
DAY
YEAR
CONTROL
CENTURY
ALARM
CONFIG
RESERVED
31x 8
RAM
ALARM
THRESHOLDS
CLOCK
BURST
RAM
BURST
ALARM
CONTROL
LOGIC
ADDRESS
REGISTER
CONTROL
LOGIC
DIVIDER
OSCILLATOR
32.768kHz
INPUT SHIFT
REGISTERS
ALARM OUT
1Hz X1
X2
VCC
GND
SCLK
DIN
DOUT
CS