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P89LPC985FA Datasheet(PDF) 22 Page - NXP Semiconductors

Part # P89LPC985FA
Description  8-bit microcontroller with accelerated two-clock 80C51 core, 4 kB/8 kB wide-voltage byte-erasable flash with 10-bit ADC
PDF  85 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

P89LPC985FA Datasheet(HTML) 22 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.
CMPREF
Comparator
reference
register
FFCBH
-
REFS5
REFS4
REFS3
-
REFS2
REFS1
REFS0
00
0000 0000
RTCDATH Real-time clock
data register
high
FFBFH
00
0000 0000
RTCDATL
Real-time clock
data register low
FFBEH
00
0000 0000
Table 5.
Extended special function registers - P89LPC980/982[1] …continued
Name
Description
SFR
addr.
Bit functions and addresses
Reset value
MSB
LSB
Hex
Binary



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