w83977f Winbond Electronics Corp America, w83977f Datasheet - Page 108
w83977f
Manufacturer Part Number
w83977f
Description
Plug & Play 1.0a Compliant
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W83977F.pdf
(181 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
w83977f-A
Manufacturer:
VIA
Quantity:
906
- Current page: 108 of 181
- Download datasheet (2Mb)
UPDATE CYCLE TIME TABLE
Update Period and UIP Timing
6.3 REGISTERS
The RTC has four control/status registers. They are accessible at all times.
6.3.1 Register 0Ah
UIP : (read only)
When UIP is 1, an update cycle is in progress. The UIP is cleared in the end of an update cycle and
when the SET bit in register B is 1.
All bits are unaffected by RESET.
Register A is a read/write register except bit 7 (UIP is read only).
NAME
UIP BIT
BIT
1
0
UIP
7
UPDATE CYCLE TIME (T
DV2
Update Period(1 Second)
6
1984 S
-
DV1
5
t
UC
BUC
)
- 96 -
DV0
4
BEFORE UPDATE CYCLE TIME (T
t
UC
RS3
3
W83977F/ W83977AF
Publication Release Date: January 1997
RS2
2
244 S
-
PRELIMINARY
RS1
1
Revision 0.50
BUC
RS0
MIN)
0
Related parts for w83977f
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Winbond H/w Monitoring Ic
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond Lpc I/o
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond Smbus Gpi/o
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond I/o
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond Clock Generator For Intel P4 Springdale Series Chipset
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond Clock Generator For Intel P4 Springdale Series Chipset
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond Clock Generator For Intel P4 Springdale Series Chipset P4 Springdale Series Chipset
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond Clock Generator For Intel P4 845 Series Chipset
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond Clock Generator For Via P4/kt Series Chipset
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond Clock Generator For Intel 915/925 Chipsets
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond H/w Monitoring Ic
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond Lpc I/o
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond Smbus Gpi/o
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond I/o
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Pa-risc Embedded Controller
Manufacturer:
Winbond Electronics Corp America
Datasheet: