DS1340U-33+ Maxim Integrated Products, DS1340U-33+ Datasheet - Page 13

• Manufacturer Part Number: DS1340U-33+
• Description: IC RTC I2C W/CHARGER 3.3V 8-USOP
• Manufacturer: Maxim Integrated Products
• Type: Clock/Calendar/Trickle-Chargerr

Specifications of DS1340U-33+

• Time Format: HH:MM:SS (24 hr)
• Date Format: YY-MM-DD-dd
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 2.97 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Function: Clock/Calendar/Trickle Charger
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.97 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Rtc Bus Interface: Serial (I2C)
• Supply Current: 192 uA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Memory Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Figure 8. Data Write—Slave Receiver Mode
Figure 9. Data Read—Slave Transmitter Mode
Figure 10. Data Write/Read (Write Pointer, Then Read)—Slave Receive and Transmit
S - START
A - ACKNOWLEDGE (ACK)
P - STOP
R/W - READ/WRITE OR DIRECTION BIT ADDRESS
S - START
A - ACKNOWLEDGE (ACK)
P - STOP
A - NOT ACKNOWLEDGE (NACK)
R/W - READ/WRITE OR DIRECTION BIT ADDRESS
S
S
ADDRESS> <R/W>
ADDRESS> <R/W>
1101000
1101000
<SLAVE
<SLAVE
S - START
Sr - REPEATED START
A - ACKNOWLEDGE (ACK)
P - STOP
A - NOT ACKNOWLEDGE (NACK)
R/W - READ/WRITE OR DIRECTION BIT ADDRESS
XXXXXXXX
<DATA (n)>
0
1
S
A
A
ADDRESS>
<WORD ADDRESS (n)>
1101000
<SLAVE
A
MASTER TO SLAVE
MASTER TO SLAVE
XXXXXXXX
<DATA (n)>
XXXXXXXX
<R/W>
0
<DATA (n + 1)>
____________________________________________________________________
XXXXXXXX
A
MASTER TO SLAVE
<WORD ADDRESS (n)>
A
A
I
XXXXXXXX
2
<DATA (n + 1)>
C RTC with Trickle Charger
A
<DATA (n)>
XXXXXXXX
XXXXXXXX
SLAVE TO MASTER
SLAVE TO MASTER
<DATA (n + 2)>
XXXXXXXX
A
SLAVE TO MASTER
NOTE: LAST DATA BYTE IS FOLLOWED BY A NACK.
Sr
A
A
ADDRESS>
(X + 1 BYTES + ACKNOWLEDGE)
1101000
<SLAVE
(X + 1 BYTES + ACKNOWLEDGE)
<DATA (n + 1)>
<DATA (n + 2)>
A
XXXXXXXX
XXXXXXXX
DATA TRANSFERRED
DATA TRANSFERRED
...
<R/W>
NOTE: LAST DATA BYTE IS FOLLOWED BY A NACK.
1
<DATA (n + X)>
XXXXXXXX
A
(X + 1 BYTES + ACKNOWLEDGE)
A
A
DATA TRANSFERRED
...
...
<DATA (n + X)>
<DATA (n + X)
A
XXXXXXXX
XXXXXXXX
P
A
A
P
P
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