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P89LPC913 Datasheet(PDF) 20 Page - NXP Semiconductors

Part # P89LPC913
Description  8-bit microcontrollers with two-clock 80C51 core, 1 kB 3 V flash with 128-byte RAM
PDF  66 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

P89LPC913 Datasheet(HTML) 20 Page - NXP Semiconductors

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Table 8.
P89LPC913 Special function registers
* indicates SFRs that are bit addressable.
Name
Description
SFR
addr.
Bit functions and addresses
Reset value
MSB
LSB
Hex
Binary
Bit address
E7
E6
E5
E4
E3
E2
E1
E0
ACC*
Accumulator
E0H
00
0000 0000
AUXR1
Auxiliary function register
A2H
CLKLP
EBRR
-
-
SRST
0
-
DPS
00[1]
0000 00x0
Bit address
F7
F6
F5
F4
F3
F2
F1
F0
B*
B register
F0H
00
0000 0000
BRGR0[2]
Baud rate generator rate low
BEH
00
0000 0000
BRGR1[2]
Baud rate generator rate high
BFH
00
0000 0000
BRGCON
Baud rate generator control
BDH
------
SBRGS
BRGEN
00[6]
xxxx xx00
CMP1
Comparator 1 control register
ACH
-
-
CE1
-
CN1
OE1
CO1
CMF1
00[1]
xx00 0000
CMP2
Comparator 2 control register
ADH
-
-
CE2
-
CN2
-
-
CMF2
00[1]
xx00 0000
DIVM
CPU clock divide-by-M
control
95H
00
0000 0000
DPTR
Data pointer (2 bytes)
DPH
Data pointer high
83H
00
0000 0000
DPL
Data pointer low
82H
00
0000 0000
FMADRH
Program flash address high
E7H
------
00
0000 0000
FMADRL
Program flash address low
E6H
00
0000 0000
FMCON
Program flash control (Read)
E4H
BUSY
-
-
-
HVA
HVE
SV
OI
70
0111 0000
Program flash control (Write)
FMCMD.
7
FMCMD.
6
FMCMD.
5
FMCMD.
4
FMCMD.
3
FMCMD.
2
FMCMD.
1
FMCMD.
0
FMDATA
Program flash data
E5H
00
0000 0000
Bit address
AF
AE
AD
AC
AB
AA
A9
A8
IEN0*
Interrupt enable 0
A8H
EA
EWDRT
EBO
ES/ESR
ET1
-
ET0
-
00
0000 0000
Bit address
EF
EE
ED
EC
EB
EA
E9
E8
IEN1*
Interrupt enable 1
E8H
-
EST
-
-
ESPI
EC
EKBI
-
00[1]
00x0 0000
Bit address
BF
BE
BD
BC
BB
BA
B9
B8
IP0*
Interrupt priority 0
B8H
-
PWDRT
PBO
PS/PSR
PT1
-
PT0
-
00[1]
x000 0000
IP0H
Interrupt priority 0 high
B7H
-
PWDRT
H
PBOH
PSH/
PSRH
PT1H
-
PT0H
-
00[1]
x000 0000



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