SC2200UFH-300 AMD (ADVANCED MICRO DEVICES), SC2200UFH-300 Datasheet - Page 111
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SC2200UFH-300
Manufacturer Part Number
SC2200UFH-300
Description
Manufacturer
AMD (ADVANCED MICRO DEVICES)
Datasheet
1.SC2200UFH-300.pdf
(429 pages)
Specifications of SC2200UFH-300
Operating Temperature (min)
0C
Operating Temperature (max)
85C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Lead Free Status / RoHS Status
Not Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
SC2200UFH-300F
Manufacturer:
NSC
Quantity:
201
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SuperI/O Module
5.5.3
The RTC registers can be accessed (see Section 5.4.2.1
"LDN 00h - Real-Time Clock" on page 104) at any time dur-
ing normal operation mode (i.e.,when V
ommended operation range). This access is disabled
during battery-backed operation. The write operation to
1.
AMD Geode™ SC2200 Processor Data Book
Index 00h
Index 01h
Index 02h
Index 03h
Programmable
Programmable
Programmable
Bit
7:0
7:0
7:0
7:0
Overlaid on RAM bytes in range 0Eh-7Fh. See Section 5.4.2.1 "LDN 00h - Real-Time Clock" on page 104.
Index
0Ah
0Bh
0Ch
0Dh
00h
01h
02h
03h
04h
05h
06h
07h
08h
09h
RTC Registers
Description
Seconds Data. Values may be 00 to 59 in BCD format or 00 to 3B in binary format.
Seconds Alarm Data. Values may be 00 to 59 in BCD format or 00 to 3B in binary format.
When bits 7 and 6 are both set to one (“11”), unconditional match is selected.
Minutes Data. Values can be 00 to 59 in BCD format, or 00 to 3B in binary format.
Minutes Alarm Data. Values can be 00 to 59 in BCD format, or 00 to 3B in binary format.
When bits 7 and 6 are both set to 1, unconditional match is selected. See Section 5.5.2.5 "Alarms" on page 113 for more
information about “unconditional” matches.
1
1
1
Type
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
RO
RO
SB
Seconds Alarm Register - SECA (R/W)
SEC. Seconds Register
SECA. Seconds Alarm Register
MIN. Minutes Register
MINA. Minutes Alarm Register
HOR. Hours Register
HORA. Hours Alarm Register
DOW. Day Of Week Register
DOM. Date Of Month Register
MON. Month Register
YER. Year Register
CRA. RTC Control Register A
CRB. RTC Control Register B
CRC. RTC Control Register C
CRD. RTC Control Register D
DOMA. Date of Month Alarm Register
MONA. Month Alarm Register
CEN. Century Register
Minutes Alarm Register - MINA (R/W)
Name
is within the rec-
Table 5-19. RTC Register Map
Seconds Register - SEC (R/W)
Table 5-20. RTC Registers
Minutes Register - MIN (R/W)
these registers is also disabled if bit 7 of the CRD Register
is 0.
Note: Before attempting to perform any start-up proce-
This section describes the RTC Timing and Control Regis-
ters that control basic RTC functionality.
dures, read about bit 7 (VRT) of the CRD Register.
32580B
Reset Type: V
Reset Type: V
Reset Type: V
Reset Type: V
Bit specific
Bit specific
Bit specific
V
V
V
V
V
V
V
V
V
V
V
V
V
V
Reset
PP
PP
PP
PP
PP
PP
PP
PP
PP
PP
PP
PP
PP
PP
Type
PUR
PUR
PUR
PUR
PUR
PUR
PUR
PUR
PUR
PUR
PUR
PUR
PUR
PUR
PP
PP
PP
PP
PUR
PUR
PUR
PUR
117
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