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89LPC933 View Datasheet(PDF) - NXP Semiconductors.

Part NameDescriptionManufacturer
89LPC933 8-bit microcontroller with accelerated two-clock 80C51 core 4 kB/8 kB/16 kB 3 V byte-erasable flash with 8-bit ADCs NXP
NXP Semiconductors. NXP
89LPC933 Datasheet PDF : 77 Pages
First Prev 11 12 13 14 15 16 17 18 19 20 Next Last
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Table 5. Special function registers - P89LPC933/934 …continued
* indicates SFRs that are bit addressable.
Name
Description
SFR Bit functions and addresses
addr. MSB
LSB
Reset value
Hex Binary
RTCH
Real-time clock register high D2H
00[5] 0000 0000
RTCL
Real-time clock register low D3H
00[5] 0000 0000
SADDR Serial port address register A9H
00
0000 0000
SADEN Serial port address enable
B9H
00
0000 0000
SBUF
Serial Port data buffer register 99H
xx
xxxx xxxx
Bit address 9F
9E
9D
9C
9B
9A
99
98
SCON* Serial port control
98H SM0/FE SM1
SM2
REN
TB8
RB8
TI
RI 00
0000 0000
SSTAT Serial port extended status BAH DBMOD INTLO CIDIS DBISEL FE
BR
OE
STINT 00
0000 0000
register
SP
Stack pointer
81H
07
0000 0111
SPCTL SPI control register
E2H SSIG SPEN DORD MSTR CPOL CPHA SPR1 SPR0 04
0000 0100
SPSTAT SPI status register
E1H SPIF WCOL
-
-
-
-
-
-
00
00xx xxxx
SPDAT SPI data register
E3H
00
0000 0000
TAMOD Timer 0 and 1 auxiliary mode 8FH
-
-
-
T1M2
-
-
-
T0M2 00
xxx0 xxx0
Bit address 8F
8E
8D
8C
8B
8A
89
88
TCON* Timer 0 and 1 control
88H TF1
TR1
TF0
TR0
IE1
IT1
IE0
IT0 00
0000 0000
TH0
Timer 0 high
8CH
00
0000 0000
TH1
Timer 1 high
8DH
00
0000 0000
TL0
Timer 0 low
8AH
00
0000 0000
TL1
Timer 1 low
8BH
00
0000 0000
TMOD Timer 0 and 1 mode
89H T1GATE T1C/T T1M1 T1M0 T0GATE T0C/T T0M1 T0M0 00
0000 0000
TRIM
Internal oscillator trim register 96H RCCLK ENCLK TRIM.5 TRIM.4 TRIM.3 TRIM.2 TRIM.1 TRIM.0
[6] [5]
WDCON Watchdog control register
A7H PRE2 PRE1 PRE0
-
-
WDRUN WDTOF WDCLK
[7] [5]
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