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PC87307 Folha de dados(PDF) 64 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Nome de Peças PC87307
Descrição Electrónicos  PC87307/PC97307 Plug and Play Compatible and PC97 Compliant SuperI/O
PDF  218 Pages
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Fabricante Electrônico  NSC [National Semiconductor (TI)]
Página de início  http://www.national.com
Logo NSC - National Semiconductor (TI)

PC87307 Folha de dados(HTML) 64 Page - National Semiconductor (TI)

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Real-Time Clock (RTC) and Advanced Power Control (APC) (Logical Device 2)
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4.7
REGISTER BANK TABLES
TABLE 4-6. Banks 1 and 2, Common 64-Byte Memory Map
TABLE 4-7. Bank 0 Registers, General Purpose Memory Bank
Index
Function
BCD Format
Binary Format
Comments
00h
Seconds
00-59
00-3b
R/W
01h
Seconds Alarm
00-59
00-3b
R/W
02h
Minutes
00-59
00-3b
R/W
03h
Minutes Alarm
00-59
00-3b
R/W
04h
Hours
12 hr = 01-12 (AM)
01-0c (AM)
R/W
12 hr = 81-92 (PM)
81-8c (PM)
R/W
24 hr = 00-23
00-17
R/W
05h
Hours Alarm
12 hr = 01-12 (AM)
01-0c (AM)
R/W
12 hr = 81-92 (PM)
81-8c (PM)
R/W
24 hr = 00-23
00-17
R/W
06h
Day of Week
01-07
01-07 (Sunday = 1)
R/W
07h
Date of Month
01-31
01-1f
R/W
08h
Month
01-12
01-0c
R/W
09h
Year
00-99
00-63
R/W
0Ah
Control Register A
R/W (bit 7 is read only)
0Bh
Control Register B
R/W (bit 3 is read only)
0Ch
Control Register C
All bits read only
0Dh
Control Register D
All bits read only
0Eh-3Fh General Purpose
RAM
R/W
Register
Index
Type Power-on Value
Function
00h-3Fh
The first 14 RTC registers and the first 50 RTC
RAM bytes are shared among banks 0, 1 and 2.
40h - 7Fh
R/W
General Purpose 64-Byte Battery-Backed RAM.



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