datasheetbank_Logo
Integrated circuits, Transistor, Semiconductors Search and Datasheet PDF Download Site

PT7C4300 View Datasheet(PDF) - Pericom Semiconductor

Part Name
Description
View to exact match
PT7C4300
Pericom-Semiconductor
Pericom Semiconductor Pericom-Semiconductor
PT7C4300 Datasheet PDF : 17 Pages
First Prev 11 12 13 14 15 16 17
Data Sheet
PT7C4300
Real-time Clock Module (I2C Bus)
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
a) Write via I2C bus
S
Slave address (7 bits)
write A
11 0 1 00 0 0
Addr. setting
Start
Slave address + write specification
A
C Address
K Specifies the write start address.
A bit bit bit bit bit bit bit bit A P
76543210
A
C Write data
K
A Stop
C
K
b) Read via I2C bus
Standard read
S
Slave address (7 bits)
write A
110 100 00
Addr. setting
A
Start
A
A
Slave address + write specification
C Address
C
K Specifies the read start address.
K
Sr
Slave address (7 bits)
Read A
bit
7
bit
6
bit
5
bit
4
bit
3
bit
2
bit
1
bit
0
A bit bit bit bit bit bit bit bit /A
76543210
P
11 0 1 00 0 1
Restart
Slave address + read specification
A
C
Data read (1)
K Data is read from the specified start
address and address auto increment.
A
C
Data read (2)
K Address auto increment to set the
address for the next data to be read.
N Stop
O
A
C
K
Simplified read
S
Slave address (7 bits)
Read A
bit
7
bit
6
bit
5
bit
4
bit
3
bit
2
bit
1
bit
0
A bit bit bit bit bit bit bit bit /A P
76543210
11 0 1 00 0 1
Start Slave address + read specification
A
C
Data read (1)
K Data is read from the address pointed
by the internal address register and
address auto increment.
A
C
K
Data read (2)
Address register auto increment to set
N Stop
O
the address for the next data to be
A
read.
C
K
Note:
1. The above steps are an example of transfers of one or two bytes only. There is no limit to the number of bytes transferred
during actual communications.
2. 49H, 4AH are used as test mode address. Customer should not use the addresses.
PT0222(02/06)
11
Ver: 0
 

Share Link: 

datasheetbank.com [ Privacy Policy ] [ Request Datasheet ] [ Contact Us ]