ds1338ua-33t-r Maxim Integrated Products, Inc., ds1338ua-33t-r Datasheet - Page 14

• Manufacturer Part Number: ds1338ua-33t-r
• Description: Ds1338, Ds1338c, Ds1338u, Ds1338z I?c Rtc With 56-byte Nv Ram
• Manufacturer: Maxim Integrated Products, Inc.

Figure 6. Data Write—Slave Receiver Mode
Figure 7. Data Read (From Current Pointer Location)—Slave Transmitter Mode
Figure 8. Data Read (Write Pointer, Then Read—Slave Receive and Transmit
S - START
A - ACKNOWLEDGE (ACK)
P - STOP
S
S - START
A - ACKNOWLEDGE (ACK)
P - STOP
A
- NOT ACKNOWLEDGE (NACK)
S
<Slave Address>
<Slave Address>
1101000
1101000
A - NOT ACKNOWLEDGE (NACK)
S - START
SR - REPEATED START
A - ACKNOWLEDGE (ACK)
P - STOP
XXXXXXXX
S
<Data (n)>
0
1101000
1
A
A
<Word Address (n)>
XXXXXXXX
SLAVE TO MASTER
MASTER TO SLAVE
XXXXXXXX
A
<Data (n)>
0
XXXXXXXX A XXXXXXXX A
<Data (n+1)>
SLAVE TO MASTER
MASTER TO SLAVE
A
<Word Address (n)>
XXXXXXXX
A
SLAVE TO MASTER
MASTER TO SLAVE
A
XXXXXXXX A XXXXXXXX A
<Data (n)>
XXXXXXXX A XXXXXXXX
<Data (n+1)>
14 of 16
<Data (n+2)>
A
Sr
NOTE: LAST DATA BYTE IS FOLLOWED BY A NACK
(X+1 BYTES + ACKNOWLEDGE)
<Slave Address>
DATA TRANSFERRED
1101000
<Data (n+1)>
(X+1 BYTES + ACKNOWLEDGE)
<Data (n+2)>
NOTE: LAST DATA BYTE IS FOLLOWED BY A NACK
...
DATA TRANSFERRED
1
XXXXXXXX A P
DS1338 I
<Data (n+X)>
A
(X+1 BYTES + ACKNOWLEDGE)
A
DATA TRANSFERRED
...
...
2
XXXXXXXX A P
C RTC with 56-Byte NV RAM
<Data (n+X)>
XXXXXXXX A P
<Data (n+X)>