IDT1338
REAL-TIME CLOCK WITH BATTERY BACKED NON-VOLATILE RAM
RTC
the register pointer. If the register pointer is not written to
before the initiation of a read mode the first address that is
read is the last one stored in the register pointer. The
address pointer is incremented after each byte is
transferred. The IDT1338 must receive a “not acknowledge”
to end a read.
Data Write – Slave Receiver Mode
Data Read (from current Pointer location) – Slave Transmitter Mode
Data Read (Write Pointer, then Read) – Slave Receive and Transmit
IDT® REAL-TIME CLOCK WITH BATTERY BACKED NON-VOLATILE RAM 10
IDT1338
REV K 032910