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P89LPC970FDH Datasheet(PDF) 18 Page - NXP Semiconductors

Part # P89LPC970FDH
Description  8-bit microcontroller with accelerated two-clock 80C51 core 2 kB/4 kB/8 kB wide-voltage byte-erasable flash
PDF  66 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

P89LPC970FDH Datasheet(HTML) 18 Page - NXP Semiconductors

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[1]
Extended SFRs are physically located on-chip but logically located in external data memory address space (XDATA). The MOVX A,@DPTR and MOVX @DPTR,A
instructions are used to access these extended SFRs.
[2]
The BOICFG2/1/0 will be copied from UCFG1.5 to UCFG1.3 when power-on reset.
[3]
CLKCON register reset value comes from UCFG1. The reset value of CLKCON.2 to CLKCON.0 come from UCFG1.2 to UCFG1.0 and reset value of CLKDBL bit comes
from UCFG1.7.
Table 5.
Extended special function registers[1]
Name
Description
SFR addr. Bit functions and addresses
Reset value
MSB
LSB
Hex
Binary
BODCFG
BOD
configuration
register
FFC8H
-
-
-
-
-
BOICFG2
BOICFG1
BOICFG0 [2]
CLKCON
Clock control
register
FFDEH
CLKOK
-
WDMOD
XTALWD
CLKDBL
FOSC2
FOSC1
FOSC0
[3]
1000 xxxx
CMPREF
Comparator
reference
register
FFCBH
-
REFS5
REFS4
REFS3
-
REFS2
REFS1
REFS0
00
0000
0000
RTCDAT
H
Real-time
clock data
register high
FFBFH
00
0000
0000
RTCDATL Real-time
clock data
register low
FFBEH
00
0000
0000



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