IDT1339
REAL-TIME CLOCK WITH SERIAL I2C INTERFACE
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 IDT1339 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 SERIAL I2C INTERFACE
13
IDT1339
REV K 032910