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PC87570-ICC/VUL датащи(PDF) 75 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
номер детали PC87570-ICC/VUL
подробное описание детали  PC87570 Keyboard and Power Management Controller
PDF  168 Pages
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производитель  NSC [National Semiconductor (TI)]
домашняя страница  http://www.national.com
Logo NSC - National Semiconductor (TI)

PC87570-ICC/VUL датащи(HTML) 75 Page - National Semiconductor (TI)

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Real-Time Clock (RTC) and Advanced Power Control (APC)
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Table 6-8. Bank 1 Register Memory Map
Table 6-9. Bank 2 Register Memory Map
Offset
Register
Format
Value
Type
Function
BCD
Binary
Power-On
Reset
00h-
3Fh
All banks share the first
14 RTC registers and
the first 50 RTC RAM
bytes.
40h-
47h
Reserved. Writes have
no effect and reads
return 00h
48h
Century
00-99
00-63
00h
R/W
49h-
4Fh
Reserved
50h
Upper RAM
Address Port
R/W
Bits 6-0: Address of the
upper 128 RAM bytes
Bit 7: Reserved
51h-
52h
Reserved
53h
Upper RAM
Data Port
R/W
Accesses the byte
pointed by the Upper
RAM Address Port
54h-
7Fh
Reserved
Offset
Register
Format
Value
Type
Function
BCD
Binary
Power-On
Reset
00h -
3Fh
All banks share the first
14 RTC registers and
the first 50 RTC RAM
bytes.
40h
APCR1
00h
R/W
See Section 6.6.1
41h
APCR2
00h
R/W
See Section 6.6.2
42h
APSR
x1000001b
Read
only
See Section 6.6.3
43h
Wake-up
Day of Week
01-07
01-07
R/W
Sunday = 1
44h
Wake-up
Date of Month
01-31
01-1F
R/W
45h
Wake-up Month
01-12
01-0C
R/W
46h
Wake-up Year
00-99
00-63
R/W
47h
RAM Lock
00h initialized
also on warm
reset and when
SIBST1.RTCMR=1
R/W
48h
Wake-up
Century
00-99
00-63
R/W
49h-
7Fh
Reserved



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