PT7C4302 PERICOM [Pericom Semiconductor Corporation], PT7C4302 Datasheet - Page 8

• Manufacturer Part Number: PT7C4302
• Description: Real-time Clock Module (3-wire Interface)
• Manufacturer: PERICOM [Pericom Semiconductor Corporation]

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5.
The data format is BCD format.
•
•
•
Note: Any registered imaginary time should be replaced by correct time, otherwise it will cause the clock counter malfunction.
6.
a)
Control the selection of the trickle charger.
PT0225(11/05)
Addr.
Addr.
(hex)
Read/
Write
03
04
06
8
TCS
Day digits: Range from 1 to 31 (for January, March, May, July, August, October and December).
Month digits: Range from 1 to 12 and carried to year digits when cycled to 1.
Year digits: Range from 00 to 99 and 00, 04, 08, …, 92 and 96 are counted as leap years.
Calendar Counter
Trickle Charger
Trickle Charger Select
Trickle charger
Description
Other patent
(default)
Description
(default)
(default)
(default)
Months
Dates
Years
1010
Data
Range from 1 to 30 (for April, June, September and November).
Range from 1 to 29 (for February in leap years).
Range from 1 to 28 (for February in ordinary years).
Carried to month digits when cycled to 1.
Disable the trickle charger
Enable the trickle charger
TCS
Undefined Undefined Undefined Undefined Undefined Undefined Undefined Undefined
D7
0
Y80
D7
0
0
0
0
TCS
D6
1
Y40
D6
0
0
0
0
Undefined Undefined Undefined Undefined Undefined Undefined
TCS
D5
0
D20
Y20
D5
0
0
8
Real-time Clock Module (3-wire Interface)
Undefined Undefined Undefined Undefined Undefined
TCS
Description
M10
D10
Y10
D4
D4
1
M8
D3
D8
Y8
D3
DS
1
M4
D2
D4
Y4
D2
DS
1
M2
D1
D2
Y2
D1
RS
* Default 0101
0
Data Sheet
PT7C4302
M1
D0
D1
Y1
D0
RS
Ver: 0
0