Rainbow Electronics DS1624 - Manual (Page 11)

DS1624
11 of 16
BUS MASTER
MODE
DS1624
MODE
DATA (MSB
FIRST)
COMMENTS NOTES
TX RX NACK Bus Master sends “NO
ACKNOWLEDGE” bit.
TX RX STOP Bus Master initiates the STOP condition.
{Command protocol for writing to EEPROM}
{Start here}
TX RX START Bus Master initiates a Start condition.
TX RX Bus Master sends DS1624 address;
R/ W =0;
RX TX ACK DS1624 generates acknowledge bit.
TX RX 17h Bus Master sends Access Memory
command protocol.
RX TX ACK DS1624 generates acknowledge bit. 1
TX RX Bus Master sets the starting memory
address.
RX TX ACK DS1624 generates acknowledge bit.
TX RX Bus Master sends the first byte of data.
RX TX ACK DS1624 generates acknowledge bit.
TX RX Bus Master sends the second byte of data.
RX TX ACK DS1624 generates acknowledge bit.
. . . .
. . . .
. . . .
. . . .
TX RX Bus Master sends the n-th byte of data. 3
RX TX ACK DS1624 generates acknowledge bit.
TX RX STOP Bus Master initiates the STOP condition. 2, 4
{Command protocol for reading from EEPROM}
{Start here}
TX RX START Bus Master initiates a Start condition.
TX RX Bus Master sends DS1624 address;
R/ W =0;
RX TX ACK DS1624 generates acknowledge bit.
TX RX 17h Bus Master sends Access Memory
command protocol.
RX TX ACK DS1624 generates acknowledge bit. 1
TX RX Bus Master sends the starting memory
address.
RX TX ACK DS1624 generates acknowledge bit.
TX RX START Bus Master initiates a Repeated Start
condition.
TX RX Bus Master sends DS1624 address;
R/ W =1;
RX TX ACK DS1624 generates acknowledge bit.
RX TX DS1624 sends the first byte of data.
TX RX ACK Bus Master generates acknowledge bit.